Digital VHF UHF Power & SWR Meter for Two Way Radio RED DOT 1051A 100~500mhz MAX.POWER 120W; V.S.W.R 1.00~19.9; FREQUENCY RANGE: Power @VHF(145mhz) / UHF(435mhz) SWR @100MHZ-500MHZ Sampling rate: 100/S; Sampling to distinguish: 12BIT (Oversampling); RF connector: N-KF(L16) ONSERTION LOSS 30db; Directional: &gt;30db(VHF), &gt;26db(UHF)