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.
166-level positive phase,inverted CDCSS digital sub-audio
8-level adjustable volume
High and low power options (1.6-1.8W)
Wide operating voltage 3.3-5.5 V
Stable with 1ppm TCXO crystal
Application of Walkie Talkie Module SA868
Small walkie talkie
Ignore the intercom system
Building community security system
Outdoor sports products
Audio monitoring system
Connected to audio power amplifier. When the module worked, it can control the extra audio amplifier automatically, it will output low level to turn on the amplifier and high level to turn off the amplifier.
Module Input, Transmitting/receiving control, "0" force the module to enter TX state; and "1" to Rx state
Power Down control, "0" for power down mode; "1" for the normal work
high/low output power control; Leave open for high output power，low level to low output power. (Please kindly note: this pin can NOT be connected to VDD or high level of cmos output)
Connect power positive
connect 50 ohm antenna
RXD of the module and connect to external TXD
TXD of the module and connect to external RXD
Microphone or line in
NiceRF Wireless Technology Co., Ltd.
309-314, 3/F, Bldg A, Hongdu business building, Zone 43, Baoan Dist, Shenzhen, China