... Interface Meter Reading,data 2W RF Module, 433Mhz Wireless Data Transmitter & Receiver, Data Transceiver: YS-C30 series data radio ... (Bit error Rate);* Half duplex: Integration of receiver and transmitter,10ms auto change for receiving and sending;* Low ... * Automatic meter reading(AMR);* Environment monitor system;*Wireless electronic display screen*Wireless smart terminal: POS, PDA, PTZ;* Electronic ...