Beidou-3 multi-model miniaturized positioning communication device and communication equipment

CN224401543UActive Publication Date: 2026-06-23CHANGSHA HAIGE BEIDOU INFORMATION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGSHA HAIGE BEIDOU INFORMATION TECH CO LTD
Filing Date
2025-06-18
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

How to design a miniaturized positioning and communication board that supports BeiDou reception of B1, B2, B3 and S frequencies and transmission of L frequency, to meet user integration needs, while also possessing the characteristics of miniaturization, low power consumption and high integration of navigation devices.

Method used

A miniaturized positioning and communication device for BeiDou-3 multi-model was designed, including an RF front-end circuit, an RF chip circuit, a baseband chip circuit, a clock circuit, and an interface circuit. It supports the reception of BeiDou RNSS/B1 and B3 frequency signals, RDSS/S frequency signals, global short message/B2 frequency signals, and L frequency signal transmission. It has anti-interference processing capabilities and a compact size.

Benefits of technology

It achieves efficient reception and transmission of BeiDou-3 multi-frequency signals, supports low power consumption and anti-interference, and has a size of 40mm×30mm×4.7mm. It is suitable for handheld, vehicle-mounted, and ship-mounted devices, meeting a variety of application needs.

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Abstract

The utility model discloses a big dipper no.3 multi -model miniaturization positioning communication device and communication equipment, the positioning communication device is connected with external antenna, the positioning communication device includes radio frequency front end circuit, radio frequency chip circuit, baseband chip circuit, clock circuit and interface circuit, radio frequency front end circuit is used for receiving the satellite signal from the antenna to radio frequency chip circuit with the satellite signal is handled through power divider, frequency divider and filter and sends, and short message signal that radio frequency chip circuit sends is handled through temperature compensation attenuator, low noise amplifier and sends out through the antenna.
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