The utility model relates to a 5G
optical fiber remote system supporting a voice function. Comprising a
duplexer 1, a
low noise amplifier 1, a down converter 1, an AD analog-to-
digital converter 1, a power
amplifier 1, an up converter 1, a DA digital-to-analog converter 1, a
single chip microcomputer MCU1, a voice
processing module, a
duplexer 2, a
low noise amplifier 2, a down converter 2, an AD analog-to-
digital converter 2, a power amplifier 2, an up converter 2, a DA digital-to-analog converter 2, a
digital signal processor FPGA1 and an
optical module 1. The far-end unit comprises a
duplexer 3, a low-
noise amplifier 3, a down-converter 3, an AD analog-to-
digital converter 3, a power amplifier 3, an up-converter 3, a DA digital-to-analog converter 3, a single-
chip microcomputer MCU2, a duplexer 4, a low-
noise amplifier 4, a down-converter 4, an AD analog-to-digital converter 4, a power amplifier 4, an up-converter 4, a DA digital-to-analog converter 4, a
digital signal processor FPGA2 and an
optical module 2. According to the utility model, main parameters can be modified, set and output according to voice.