USB > RF433MHz > 8 Channel Relay Board

Drivers
are available to work with the following operating systems :
All Windows versions, Linux, Mac OS X, Mac OS 9, Mac OS 8,
Windows CE.NET (Version 4.2 and greater), Arduino, Raspberry Pi ...

Required power:
12VDC / minimum 600 mA.

Wireless Data Transmittion Module:
CC1101 Low-Power RF Transceiver
(Texas Instruments)

USB Converter:
CDC USB to Serial Converter

Communication Parameters:
8 Data, 1 Stop, No Parity
Baud rate : 9600

Commands (ID01):
FIRST channel commands:
OFF command : FF 01 00 (HEX) or 255 1 0 (DEC)
ON command : FF 01 01 (HEX) or 255 1 1 (DEC)
...
EIGHT channel commands:
OFF command : FF 08 00 (HEX) or 255 8 0 (DEC)
ON command : FF 08 01 (HEX) or 255 8 1 (DEC)

 Status read (ID01):
Command - FF A1 00 
Reply - FF A1 xx xx xx xx xx xx xx xx
where xx is: 00 if relay is OFF, 01 if relay is ON

ID:
Relay board have an option to change the ID (from ID 01 to ID 15) manually
through a DIP Switch placed near power connector.

Distance:
In open area max 350 meters

KMTronic RF433MHz Relay Boards Installation Guide

KMTronic_RF433_Installation_Guide.pdf