Contador probador de antena SW-33Meter VHF/UHF portátil para radioaficionado de dos vías SW33
Insertion Loss：< 0.15dB(VHF), < 0.25dB(UHF). 3.3 seconds check your antenna SWR, also check your radio RF power watt. 1 SMA MALE TO SMA MALE ADAPTOR. Interface (in and out )：SMA female. Easy to install handheld Radio.