This document describes the features and characteristics of the PL80110B-N transmission module developed by Shenzhen Guangshi Mei Electronic Technology Co., Ltd.
The PL80110B-N is a compact, low‑power FM stereo transmission module that integrates audio amplification, FM stereo modulation, VCO, PLL synthesis, I²C control and RF output. It is designed for easy integration in devices such as portable DVD players, car audio systems, public address installations, and wireless headphones.
The manual provides electrical characteristics, pin descriptions, typical application circuits, antenna matching guidelines, and safety precautions to ensure reliable operation and optimal transmission performance. This manual is written in Chinese.
| Working voltage (Vcc) | 3 ± 10 % V |
|---|---|
| Operating voltage range | 2.4 – 3.6 VDC |
| Audio input range (Aisr) | 1000 mV |
| Audio input frequency range (Fin‑A) | 20 – 15 kHz |
| Transmission frequency (FTX) | 76 – 110 MHz |
| Power consumption (Pd) | ≤ 450 mW |
| Effective transmission distance | 10 – 35 m (open area) |
| Operating temperature (Ta) | 27 °C |
| Storage temperature (Tstg) | -40 °C to 85 °C |
| Reference clock (Fref) | 7.6 MHz |
The module operates from 2.4 V to 3.6 VDC.
It can transmit up to about 35 meters in open space.
Frequency can be selected via an I²C serial bus or a 3‑wire bus, depending on the mode.
The transmitter covers the full FM band from 76 MHz to 110 MHz.