Features 1、125-525MHz Power SWR Meter: Directly read V.S.W.R. forward power with no calibration needed. Easily view V.S.W.R. forward or reflected power parameters on the screen. 2、VHF UHF Power SWR Meter: Measure power range from 0.1-100W, with maximum power measurement up to 100W. LCD screen displays FF, REV, S.W.R, radio frequency power wattage. 3、Easy to Install: Power SWR meter for 2 way radio is easy to install. Great for testing antennae for 2 way radio, measuring radio frequency power output. Comes with various adapters for wider compatibility. 4、Warm Note: Not suitable for DMR digital radio. Please use the correct dummy load. High power will damage the dummy load. Please read the manual carefully before use. 5、Broad Compatibility: The input and output interfaces are SMA female. It also comes with an SMA male to SMA male adapter, SMA male to SMA female adapter, SMA male to BNC male adapter, SMA male to BNC female adapter, and a 5-20W test load, making the device compatible with many different types of equipment. Specification Item Type: Digital VHF UHF Power SWR Meter Material: Metal Measurement Power Range: 0.1-100W V.S.W.R: 1.00-19.9 SWR Detection Sensitivity: 3W min Frequency Range: 125MHz-525MHz Power Input: 5V (micro USB) Battery Capacity: 500mAh Lithium Ion Battery (included) Input Output Impedance: 50Ω Input and Output Interface: SMA Female Maximum Power: 0.1-100W Accuracy: Average +/-5% Package List 1 x Power SWR Meter 1 x Instruction Manual 1 x USB to Micro Cable 1 x SMA Male to SMA Male Adapter 1 x SMA Male to SMA Female Adapter 1 x SMA Male to BNC Male Adapter 1 x SMA Male to BNC Female Adapter 1 x 5-20W Test Load