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