Communication module with SIM (Subscriber Identity Module) card

By integrating SIM card reading and 2.4G/5G communication modules through LCC packaging, the problem of excessively large SIM card communication module circuit size is solved, achieving a reduction in circuit size and adapting to devices with high size requirements.

CN223942712UActive Publication Date: 2026-02-24BEIJING DIGITAL CHINA CLOUD COMPUTING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520525786.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-24
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

The current SIM card's communication module circuit is too large and cannot be adapted to devices with high size requirements.

Method used

The main antenna interface module, diversity antenna interface module, TYPEC interface module, SIM card reader module, 2.4G/5G communication module, power button and factory reset button are connected through an LCC package module. The SIM card reader module and 2.4G/5G communication module are integrated by using the LCC package module, reducing the circuit size.

Benefits of technology

It has enabled the reduction in the size of wireless communication circuits, making them suitable for devices with high size requirements.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223942712U_ABST
    Figure CN223942712U_ABST
Patent Text Reader

Abstract

The utility model discloses a communication module with an SIM (Subscriber Identity Module) card, which is characterized in that an LCC (Liquid Crystal Chip) packaging module is respectively connected with a main set antenna interface module, a diversity antenna interface module, a TF (TransFlash) storage interface module, an SIM card reading module, a 2.4 G / 5G communication module, one end of a switch key and a factory restoring key, one end of a combiner is connected with the 2.4 G / 5G communication module, and the other end of the combiner is connected with the SIM card reading module. The other end of the combiner is connected with the combining antenna interface module, the other end of the switch button is connected with one end of the charging and discharging module, and the other end of the charging and discharging module is connected with the TYPEC interface module. In the scheme of the utility model, the SIM card reading module and the 2.4 G / 5G communication module are integrated by using the LCC packaging module, so that the technical effect that the volume of the whole wireless communication circuit is reduced and the wireless communication circuit can adapt to equipment with higher volume requirements is realized.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of communication circuits, and in particular to a communication module with a SIM card. Background Technology

[0002] Wireless communication circuits with SIM cards play an important role in modern communication devices. The SIM card stores the International Mobile Subscriber Identity (IMSI) code, which is used to uniquely identify users in the network. Wireless network communication transmission can be achieved through the SIM card.

[0003] Currently, SIM cards are used in smartphones and tablets to provide cellular network connectivity, and in devices such as smart water meters and smart electricity meters for remote data transmission. However, the overall circuitry of the communication module in current SIM cards is too bulky, making them unsuitable for devices with strict size requirements. A new technology is needed to solve this problem. Utility Model Content

[0004] The main purpose of this invention is to propose a communication module with a SIM card, which aims to solve the technical problem that the overall circuit size of the current SIM card communication module is too large, making it unsuitable for devices with high size requirements.

[0005] To achieve the above objectives, the present invention proposes a communication module with a SIM card, wherein the communication module with a SIM card includes:

[0006] LCC packaged module, main antenna interface module, diversity antenna interface module, TF storage interface module, SIM card reader module, 2.4G / 5G communication module, combiner, combiner antenna interface module, switch button, factory reset button, charging and discharging module, TYPEC interface module;

[0007] The LCC encapsulation module is connected to the main antenna interface module, the diversity antenna interface module, the TF storage interface module, the SIM card reading module, the 2.4G / 5G communication module, one end of the switch button, and the factory reset button. One end of the combiner is connected to the 2.4G / 5G communication module, and the other end of the combiner is connected to the combiner antenna interface module. The other end of the switch button is connected to one end of the charging and discharging module, and the other end of the charging and discharging module is connected to the TYPEC interface module.

[0008] Optionally, in the first implementation, the SIM card reading module includes: a SIM card switching unit, a USIM reading unit, and an ESIM reading unit. One end of the SIM card switching unit is connected to the LCC encapsulation module, and the other end of the SIM card switching unit is connected to the USIM reading unit and the ESIM reading unit, respectively.

[0009] Optionally, in the second implementation, the SIM card switching unit includes a BCT4567EGE-TR chip.

[0010] Optionally, in the third implementation, the USIM reading unit and the ESIM reading unit are connected to the SIM card switching unit via the VSIM pin, RST pin, CLK pin, and DAT pin.

[0011] Optionally, in the fourth implementation, the USIM reading unit includes an SMN-303 model card holder.

[0012] Optionally, in the fifth implementation, the ESIM reading unit includes an eSIM-0202 model card holder.

[0013] Optionally, in the sixth implementation, the 2.4G / 5G communication module includes an AIC8800D80 chip.

[0014] Optionally, in the seventh implementation, the LCC packaging module includes an IM2501 chip.

[0015] Optionally, in the eighth implementation, the charging and discharging module includes: an IP5356M chip and a battery, wherein the IP5356M chip is connected to the battery, the TYPEC interface module, and the switch button.

[0016] Optionally, in the ninth implementation, the main antenna interface module includes: a main antenna interface, a first inductor, a second inductor, a first capacitor, a second capacitor, and a third capacitor. One end of the first inductor is connected to the LCC packaging module and one end of the third capacitor, respectively. The other end of the first inductor is connected to one end of the first capacitor and one end of the second capacitor, respectively. The other end of the first capacitor is connected to one end of the second inductor and one end of the main antenna interface, respectively. The other ends of the second capacitor, the third capacitor, the second inductor, and the main antenna interface are grounded.

[0017] The diversity antenna interface module includes: a diversity antenna interface, a third inductor, a fourth inductor, a fourth capacitor, a fifth capacitor, and a sixth capacitor. One end of the third inductor is connected to the LCC packaging module and one end of the sixth capacitor, respectively. The other end of the third inductor is connected to one end of the fourth capacitor and one end of the fifth capacitor, respectively. The other end of the fourth capacitor is connected to one end of the fourth inductor and one end of the diversity antenna interface, respectively. The other ends of the fifth capacitor, the sixth capacitor, the fourth inductor, and the diversity antenna interface are grounded.

[0018] In this embodiment of the invention, by using an LCC packaging module to connect the main antenna interface module, diversity antenna interface module, TYPEC interface module, SIM card reader module, 2.4G / 5G communication module, power button, and factory reset button respectively, the LCC packaging module reduces the circuit volume between the SIM card signal and the electromagnetic wave excitation. By integrating the SIM card reader module and the 2.4G / 5G communication module using the LCC packaging module, the overall wireless communication circuit volume is reduced, achieving the technical effect of adapting to devices with high volume requirements. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the communication module with a SIM card according to the present invention.

[0021] Figure 2 This is a schematic diagram of a specific embodiment of the communication module with a SIM card according to this utility model;

[0022] Figure 3A This is the first schematic diagram of the IM2501 chip of this utility model;

[0023] Figure 3B This is the second schematic diagram of the IM2501 chip of this utility model;

[0024] Figure 4 This is another structural schematic diagram of the communication module with a SIM card according to this utility model;

[0025] Figure 5 This is a schematic diagram of the IP5356M chip of this utility model;

[0026] Figure 6 This is a schematic diagram of the BCT4567EGE-TR chip of this utility model;

[0027] Figure 7 This is a schematic diagram of the SMN-303 model card holder of this utility model;

[0028] Figure 8 This is a schematic diagram of the eSIM-0202 model card holder of this utility model;

[0029] Figure 9 This is a schematic diagram of the main antenna interface module of this utility model;

[0030] Figure 10 This is a schematic diagram of the diversity antenna interface module of this utility model;

[0031] Figure 11 This is a schematic diagram of the AIC8800D80 chip of this utility model.

[0032] Explanation of icon numbers:

[0033] 10-LCC package module, 20-Main antenna interface module, 30-Diversity antenna interface module, 40-TF storage interface module, 50-SIM card reader module, 60-2.4G / 5G communication module, 70-Combiner, 80-Combiner antenna interface module, 90-Switch button, 110-Factory reset button, 120-Charging / discharging module, 130-TYPEC interface module, 1021-IP5356M chip, 1022-Battery, 501-SIM card switching unit, 502-USIM reader unit, 503-ESIM reader unit, L1-First inductor, L2-Second inductor, L3-Third inductor, L4-Fourth inductor, C7-First capacitor, C8-Second capacitor, C9-Third capacitor, C10-Fourth capacitor, C11-Fifth capacitor, C12-Sixth capacitor, CN1-Main antenna interface, CN2-Diversity antenna interface.

[0034] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0037] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, if the word "and / or" appears throughout the text, it means including three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution that simultaneously satisfies A and B. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0038] This utility model proposes a communication module with a SIM card.

[0039] In the embodiments of this utility model, such as Figure 1 As shown, Figure 1 This is a schematic diagram of a communication module with a SIM card according to the present invention. The communication module with a SIM card includes:

[0040] LCC package module 10, main antenna interface module 20, diversity antenna interface module 30, TF storage interface module 40, SIM card reader module 50, 2.4G / 5G communication module 60, combiner 70, combiner antenna interface module 80, switch button 90, factory reset button 110, charging and discharging module 120, TYPEC interface module 130;

[0041] The LCC encapsulation module 10 is connected to the main antenna interface module 20, the diversity antenna interface module 30, the TF storage interface module 40, the SIM card reading module 50, the 2.4G / 5G communication module 60, one end of the switch button 90, and the factory reset button 90. One end of the combiner 70 is connected to the 2.4G / 5G communication module 60, and the other end of the combiner 70 is connected to the combiner antenna interface module 80. The other end of the switch button 90 is connected to one end of the charging and discharging module 120, and the other end of the charging and discharging module 120 is connected to the TYPEC interface module 130.

[0042] For details, please refer to Figure 2 , Figure 2This is a schematic diagram of a specific embodiment of the communication module with a SIM card according to this utility model. The LCC packaged module is connected to the main antenna interface module through the ANT_MAIN pin, the LCC packaged module is connected to the diversity antenna interface module through the ANT_DIV pin, the LCC packaged module collects battery power and battery temperature through the ADC pin, the LCC packaged module is connected to the USB 2.0 test point through the USB pin and USB_VBUS pin, the LCC packaged module is connected to the SIM card reader module through the SIM pin and GPIO interface, the LCC packaged module's GPIO interface and SDIO interface are connected to the 2.4G / 5G communication module, the LCC packaged module is connected to the switch button through the PWERKEY pin, the switch button is connected to the charging and discharging module composed of the fast charging protocol chip and the battery, and the charging and discharging module is connected to USB TYPEC and USB The TYPEA module is combined to form the TYPEC interface module. The LCC package module is connected to the TF storage interface module through the SDIO and GPIO interfaces. The LCC package module is connected to the factory reset button through the GPIO interface. The 2.4G / 5G communication module is connected to the combiner through the 2.4G_ANT and 5G_ANT pins. The other end of the combiner is connected to the external combiner antenna interface module.

[0043] For details, please refer to Figure 3A , 3B , Figure 3A This is the first schematic diagram of the IM2501 chip of this utility model. Figure 3B This is the second schematic diagram of the IM2501 chip of this utility model. Figures 3A-3B Together, they constitute the IM2501 chip, and the LCC package module contains the IM2501 chip. The IM2501 chip is a 5G IoT chip platform developed by NewGen Technologies Co., Ltd., which can be used in industries such as industrial IoT, energy, logistics, vehicle networking, and smart cities. It provides OpenCPU capabilities to allow customers to perform secondary development and has good backward compatibility, supporting 4G and 5G dual-mode.

[0044] like Figure 4 As shown, Figure 4 This is another structural diagram of the communication module with SIM card of this utility model. The SIM card reading module 50 includes: SIM card switching unit 501, USIM reading unit 502, and ESIM reading unit 503. One end of the SIM card switching unit 50 is connected to the LCC encapsulation module 10, and the other end of the SIM card switching unit 50 is connected to the USIM reading unit 502 and the ESIM reading unit 503 respectively.

[0045] The charging / discharging module 120 includes an IP5356M chip 1201 and a battery 1022. The IP5356M chip 1021 is connected to the battery 1022, the TYPEC interface module 130, and the switch button 90. For details, please refer to... Figure 5 , Figure 5 This is a schematic diagram of the IP5356M chip of this utility model. The IP5356M is a power management SOC chip manufactured by Injoinic, which integrates multiple fast charging protocols, including high voltage SCP, bidirectional PD3.0, etc., and supports a variety of power management functions, such as synchronous boost / buck converter, lithium battery charging management, battery power indication, etc.

[0046] Please refer to Figure 6 , Figure 6 This is a schematic diagram of the BCT4567EGE-TR chip of this utility model. The SIM card switching unit 501 includes the BCT4567EGE-TR chip. The BCT4567EGE-TR is a low-power dual SIM card analog switch chip manufactured by Broadchip Electronics. The USIM reading unit 502 and the ESIM reading unit 503 are connected to the SIM card switching unit 501 through VSIM pins (pins 1 and 15), RST pins (pins 3 and 5), CLK pins (pins 7 and 9), and DAT pins (pins 11 and 13).

[0047] Please refer to Figure 7 , Figure 7 This is a schematic diagram of the SMN-303 model card holder of this utility model. The USIM reading unit includes: the SMN-303 model card holder. The MN-303 is a self-ejecting NanoSIM card holder manufactured by XUNPU Electronics. Please refer to... Figure 8 , Figure 8 This is a schematic diagram of the eSIM-0202 model card holder of this utility model. The eSIM reading unit includes: the eSIM-0202 model card holder. The eSIM-0202 is an embedded SIM card holder. Compared with traditional pluggable SIM cards, the eSIM is smaller in size, providing more design space for terminal devices.

[0048] Please refer to Figure 9 , Figure 9This is a schematic diagram of the main antenna interface module of this utility model. The main antenna interface module 20 includes: a main antenna interface CN1 (model UFL-R-SMT-1(80)), a first inductor L1, a second inductor L2, a first capacitor C7, a second capacitor C8, and a third capacitor C9. One end of the first inductor L1 is connected to one end of the LCC package module 10 and one end of the third capacitor C9, respectively, and the connection to the LCC package module 10 is the ANT_MAIN branch line. The other end of the first inductor L1 is connected to one end of the first capacitor C7 and one end of the second capacitor C8, respectively. The other end of the first capacitor C7 is connected to one end of the second inductor L2 and one end of the main antenna interface CN1, respectively. The other ends of the second capacitor C9, the third capacitor C8, the second inductor L2, and the main antenna interface CN1 are grounded.

[0049] Please refer to Figure 10 , Figure 10 This is a schematic diagram of the diversity antenna interface module of this utility model. The diversity antenna interface module 30 includes: a diversity antenna interface CN2 (model UFL-R-SMT-1(80)), a third inductor L3, a fourth inductor L4, a fourth capacitor C10, a fifth capacitor C11, and a sixth capacitor C12. One end of the third inductor L3 is connected to one end of the LCC package module 10 and one end of the sixth capacitor C12, respectively, and the connection to the LCC package module 10 is an ANT_DIV branch line. The other end of the third inductor L3 is connected to one end of the fourth capacitor C10 and one end of the fifth capacitor C11, respectively. The other end of the fourth capacitor C10 is connected to one end of the fourth inductor L4 and one end of the diversity antenna interface CN2, respectively. The other ends of the fifth capacitor C11, the sixth capacitor C12, the fourth inductor L4, and the diversity antenna interface CN2 are grounded.

[0050] Please refer to Figure 11 , Figure 11 This is a schematic diagram of the AIC8800D80 chip of this utility model. The 2.4G / 5G communication module includes the AIC8800D80 chip. The AIC8800D80 is a high-performance, low-power Wi-Fi 6 and BTDM 5.3 chip manufactured by AIC Semiconductor. It supports dual-band Wi-Fi 6 (2.4GHz and 5GHz) and a maximum data rate of 600.4Mbps. The high performance and low power consumption of the AIC8800D80 chip make it suitable for applications requiring fast data transmission and long battery life.

[0051] The beneficial effects of this utility model are as follows: This utility model proposes a communication module with a SIM card. By using an LCC packaging module to connect the main antenna interface module, diversity antenna interface module, TYPEC interface module, SIM card reader module, 2.4G / 5G communication module, power button, and factory reset button, the LCC packaging module reduces the circuit volume between the SIM card signal and the electromagnetic wave excitation. By integrating the SIM card reader module and the 2.4G / 5G communication module using the LCC packaging module, the overall wireless communication circuit volume is reduced, which can adapt to devices with high size requirements.

[0052] The above description is only an optional embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A communication module with a SIM card, characterized in that, The communication module with a SIM card includes: LCC packaged module, main antenna interface module, diversity antenna interface module, TF storage interface module, SIM card reader module, 2.4G / 5G communication module, combiner, combiner antenna interface module, switch button, factory reset button, charging and discharging module, TYPEC interface module; The LCC encapsulation module is connected to the main antenna interface module, the diversity antenna interface module, the TF storage interface module, the SIM card reading module, the 2.4G / 5G communication module, one end of the switch button, and the factory reset button. One end of the combiner is connected to the 2.4G / 5G communication module, and the other end of the combiner is connected to the combiner antenna interface module. The other end of the switch button is connected to one end of the charging and discharging module, and the other end of the charging and discharging module is connected to the TYPEC interface module.

2. The communication module with a SIM card according to claim 1, characterized in that, The SIM card reading module includes a SIM card switching unit, a USIM reading unit, and an ESIM reading unit. One end of the SIM card switching unit is connected to the LCC encapsulation module, and the other end of the SIM card switching unit is connected to the USIM reading unit and the ESIM reading unit, respectively.

3. The communication module with a SIM card according to claim 2, characterized in that, The SIM card switching unit includes a BCT4567EGE-TR chip.

4. The communication module with a SIM card according to claim 3, characterized in that, The USIM reading unit and the ESIM reading unit are connected to the SIM card switching unit via the VSIM pin, RST pin, CLK pin, and DAT pin.

5. The communication module with a SIM card according to claim 2, characterized in that, The USIM reading unit includes an SMN-303 card slot.

6. The communication module with a SIM card according to claim 2, characterized in that, The ESIM reading unit includes an eSIM-0202 model card holder.

7. The communication module with a SIM card according to claim 1, characterized in that, The 2.4G / 5G communication module includes an AIC8800D80 chip.

8. The communication module with a SIM card according to claim 1, characterized in that, The LCC packaging module includes an IM2501 chip.

9. The communication module with a SIM card according to claim 1, characterized in that, The charging and discharging module includes an IP5356M chip and a battery. The IP5356M chip is connected to the battery, the TYPEC interface module, and the switch button.

10. The communication module with a SIM card according to claim 1, characterized in that, The main antenna interface module includes: a main antenna interface, a first inductor, a second inductor, a first capacitor, a second capacitor, and a third capacitor. One end of the first inductor is connected to the LCC packaging module and one end of the third capacitor. The other end of the first inductor is connected to one end of the first capacitor and one end of the second capacitor. The other end of the first capacitor is connected to one end of the second inductor and one end of the main antenna interface. The other ends of the second capacitor, the third capacitor, the second inductor, and the main antenna interface are grounded. The diversity antenna interface module includes: a diversity antenna interface, a third inductor, a fourth inductor, a fourth capacitor, a fifth capacitor, and a sixth capacitor. One end of the third inductor is connected to the LCC packaging module and one end of the sixth capacitor, respectively. The other end of the third inductor is connected to one end of the fourth capacitor and one end of the fifth capacitor, respectively. The other end of the fourth capacitor is connected to one end of the fourth inductor and one end of the diversity antenna interface, respectively. The other ends of the fifth capacitor, the sixth capacitor, the fourth inductor, and the diversity antenna interface are grounded.