RangeVideo

rvlink-tx

RVLINK 430MHz UHF LRS

The RVLINK is a long range relay for your RVOSD6. It is already included  in the 525USD set.
Range: 20- 40km
Sensitivity -110dBm

Includes:
RVLINK transmitter
RVLINK receiver PCB for RVOSD
2x antenna
Male to Male servo cable

Requires:

RVOSD6 RVLINK Rx module. 
USB updater to load new firmware into RVOSD ( if you are buying this RVLINK to add to a older RVOSD6)
Standard R/C receiver with PPM or SBUS output.
2S-4S battery to power the RVLINK transmitter. 

 More information here: https://www.rangevideo.com/rvosd/