The BOGEYBOARD-R8T4 is an innovative product which enables any switch to be a remote RF transmitter. BOGEYBOARD is compact and self contained, simply connect up to 4 close contact switches to operate. Power can be from any 4-24Vdc source. 

Turns any volt-free switch into a remote control.

Features: 

General Purpose RF Transmitter
4 x Simple Switch Inputs
Range up to 1Km (+20dBm ERP)
Momentary or Latching Switch Input
Ultra Low Power Standby Mode
4-24Vdc External supply
LED TX Indication
Compact - 49mm x 31mm 

Applications:

Remote Control
Remote Networking
Remote Switching
Remote Traffic Lights
Door bells / Buzzers
Push buttons

Compatible With:

ELITE-8R4 / BRAVO-T868 / TRAP-8R8
TRAP-8R4 / HORNETPRO-8R4 / HORNETPRO-8R2M
MAINSLINK-RX / ZPT-8R Range / ZULU2-T868
KAPPA-T868 / 725 Transceivers / RIoT Remote Control