The RX Ant In and RX Ant Out are protected during transmit.   As to protecting the input of the SDR-IQ, make sure you use very good quality connectors and very good quality coax such that any transmitted RF is not picked up by leakage into these components. I use Amphenol BNC connectors and double shield coax for my jumpers.    Running near legal limit,  I've not fried the front end of my SDR Play as of yet.

73

Bob, K4TAX




On 9/19/2018 10:14 AM, NOEL POULIN wrote:
Hello,
I am going to use my SDR-IQ with my K3S ..KXV3A RX ANT IN and RX ANT OUT.
Will be using a plitter.
I want to know if I will have to add a RECEIVER GUARD  at the SR-IQ to be safer... My SDR-IQ will be using the K3s transmit antennas for receiving of course.... Will it be safer to add a receiver guard at the input of the SDR-IQ ....to protect it from rf, when transmitting????
Advices will be welcome.
Thanks
Noel
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