Originally Posted by bkervaski
I'm pretty sure the GTX345R only needs 1 antenna, it only has one antenna port.
The units you see with two ports are GPS equipped and that other port is for your GPS antenna.
That's what I thought too but I can't find a definitive answer. I will as G3EXPERT.
1st time builder
RV10 - Empennage (Started March 2017)
St. Albert, Alberta, Canada
2017 dues paid
Last edited by RandyAB : 01-01-2018 at 03:02 PM.