SW-33 Mini Power&SWR Meter VHF/UHF 100MHz~520MHz Portable Mini Tester Counter
Frequency Range：COVER:100MHz~520MHz. 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.