... /2400/4800/9600/19200bps 3.wide interfaces ;rs232,rs485,ttl 1.Products Main Features:* Carrier frequency: UHF 433 MHz or ISM ... and sleep function;* Temperature: -35~+75 C;* Impedance: 50 Ohm(SMA antenna port, multiple antenna options available);* Complying with EN 300220 ... in receiving state again. YS-C30K rs 485 transceiver with 1 W RF power ,data transceiver