G-NiceRF SA868-U

SA868 is a cost-effective integrated professional walkie-talkie module, built-in high-speed microcontroller, high-performance RF transceiver chip and RF power amplifier, and provides a standard serial port to communicate with the module, so that the module's related parameters can be set quickly and easily. Function control. Users only need to connect an audio amplifier, microphone, and speaker to this module to work as a small walkie-talkie. The simplified interface and ultra-small size make this module widely available, and can be easily and quickly embedded in various handheld devices to improve the overall performance of the terminal products.

• UHF band 400~480 MHz
• VHF band 134~174 MHz
• 350 band frequency：320-400MHz
• (3 frequency bands are optional)
• Transmit receive frequency independent
• Bandwidth 12.5 KHz
• RSSI signal strength indication
• Open distance is 5 kilometers
• High receiving sensitivity: -124 dBm
• Highly integrated small volume
• 166-level positive phase, inverted CDCSS digital sub-audio
• 8-level squelch
• 8-level adjustable volume
• High and low power options (1.6W/1.8W)
• Wide operating voltage 3.3-5.5 V
• 38-level CTCSS analog sub-audio code
• Stable with 1ppm TCXO crystal

• Small walkie talkie
• Outdoor sports products
• Audio monitoring system
• Building community security system