is an industrial level wireless communication module. It supports MODBUS, ASCII protocols, and point to pint, or point to multipoint wireless communication. It is a transceiver with isolation. 

 wireless communication module can be widely used in the field of central monitoring, water conservancy project, warehouse, gas measurement and control, environment control equipment, hoisting equipment, power, rail transit, automatic production equipment, access control system, parking system, and highway toll system, which requires long-distance communication.

Carrier frequency: 433MHz ISM, 16 signal channels setting available

Communication interface: RS-232, RS-485, RS-422

Electrical interface: RS-232 DB9 male, RS-485/422 terminal bock, SMA

Protection: RS-485/422 each line with 600W lightning surge protection

Voltage: 9-30VDC

Current: 9V@400mA

Transmission rate: 1,200 bps, 2,400 bps,  4,800 bps,

                  9,600 bps, 19,200bps, 38,400bps

Operating mode: Transceiver, asynchronous half-duplex

LEDs for indicating PWR TXD, and RXD activity

Antenna impedance: 50Ω(antenna:360°rotate standard, 90°folding)

Transmitting power: optional (40mW\150mW\405mW\520mW)

Dimension: 97×65×22mm (Not included antenna)

Transmission distance: Wireless carrier 433MHz 300m

RS-232  5m(1,200bps-38,400bps)

RS-485/422  1200m(1,200bps-38,400bps)