wireless full-duplex radio program TA-502 is the core of our research and development of a completely independent multi-functional digital voice digital wireless radio transceiver, the wireless full-duplex radio program using our long-range wireless data and voice transceiver module: TA-002, it has the latest high-performance RF radio chip and industrial processing chips, with a small amount of external components, such as audio amplifier, microphone, speakers, and the use of industrial design standards, work together to build a multi-functional wireless digital intercom products.
 
Second, the scope of application:
1) Power construction site maintenance
2) network and equipment maintenance
3) mining construction sites contact
4) army patrols communication
5) rail construction contact
6) Oil Field Construction Contact
7) Golf Talk
8) Airport deploy command to deploy staff
9) communication traffic police on duty
10) Police patrols