SA628F39 is a highly integrated 8W high-power full-duplex wireless data and voice communication module, designed for efficient and stable long-distance communication. It features a built-in high-speed microcontroller, high-performance RF chip, power amplifier, ESD static protection, and hardware watchdog chip. With multiple safety functions, including reverse polarity protection, overcurrent and overvoltage protection, and anti-crash safeguards, it ensures reliability in various complex environments.

Users can easily connect to a PC interface via a USB serial port to read and configure the module's internal parameters while fully controlling its transmission and reception functions. The module supports data transmission and reception through the serial port, offering full-duplex wireless data transmission with relay capabilities, making it suitable for various communication scenarios.

SA628F39 adopts wideband spread spectrum technology, offering features such as low power consumption, long range, and flexible frequency adjustment, ensuring stable performance in various environments. The module supports concurrent multi-channel transmission and reception, as well as Mesh networking technology, significantly enhancing network scalability and communication coverage.

SA628F39 is designed with efficient heat dissipation and a thermal conductive base to ensure stability and reliability during high-power operation.

Additionally, the SA628F39 supports over-the-air (OTA) upgrades and serial port upgrades, enabling convenient functionality expansion and maintenance. It is manufactured and tested with lead-free processes, adhering to RoHS and REACH environmental standards.

Module Features

Frequency Band UHF 400-480MHz

USB Interface

Echo cancellation function

ESD protection and watchdog

Line In + Mic input

Line Out + SPK dual output

Mesh Network, Concurrent reception

OTA &Serial upgrade

5-level VoC adjust

8-Channels Full-Duplex Data/voice Communication

Professional heat dissipation design, overall system cooling

8km transmission distance in the open area

SA628F39 full-duplex  Audio module Electrical Characteristics

Module heat dissipation

In high-power module design, heat dissipation is a critical factor in ensuring stable operation and extending the lifespan of the device. The SA628F39 module features an efficient heat dissipation structure with optimized internal heat distribution. Coupled with a high thermal conductivity base design, it quickly transfers the heat generated inside the module to external cooling devices, effectively improving heat dissipation efficiency and ensuring the module's stability and reliability during continuous high-power operation.

Typical Applications

Module Labeling

Mechanism Dimension(Unit:mm)

Antenna Requirements

module has high power, and using a standard antenna may not yield optimal performance. NiceRF recommends the following two antennas

BLG-UHF40

SW-UHF390

Applications

Fire emergency communication

Metro,Tunnel communication

Riding intercom system

Building and residential security system

High-quality full duplex walkie talkie

Security intercom system for special scenarios

Special job assignment walkie talkie