"I don't know what problems you had with OPLink, but there have been some bad batches of OPLink clones that have shorted antenna connectors. Unfortunately, the hardware is all clone hardware at this point, but the firmware is still supported by…"
"The OPLink sends the RC signal inline with telemetry, and has since 2013 - well before TBS crossfire, dragonlink, and RFD900+ have been around. Longer than 3DR modems have been around for that matter.
You really don't want to send control…"