Surecom SW-102HF SWR/Power Meter (HF 1.5-70 MHz, SO-239 Connectors, 120 Watt) The Surecom SW-102HF is a compact V.S.W.R. meter for analog two way radios with a maximum measurable power range of up to 120W. It measures forward and reflected power on a digital readout without any calibration. This compact unit fits in the palm of your hand, so you can carry it with you everywhere you go. V.S.W.R. Forward and reflected power direct digital readout without any calibration Measurable power range: 0.5 – 120W( -0.5%) Design allows it to be permanently connected Displays S.W.R, F.W, R.W, battery Level Operating temperature range: 0°F~140°F / 0°C~60°C Frequency range: 1.5-70MHz Insertion Loss: < 0.15dB(VHF) / < 0.25dB(UHF) V.S.W.R : 1.00:1~19.99:1 Maximum Power input :120 W Built-in 3.7V Li-ion battery Charger input: Micro USB 5V Interface (in and out): UHF female (SO239) Impedance: 50 Ohm Auto power off: 1-9 minutes Back-light Auto Off Battery level display Model number: SW-102HF Dimensions: 2.99 x 3.03 x 1.37 in. / 76 x 77 x 35mm Net Weight: 7.76 oz. / 220g Package includes: SW-102HF  V.S.W.R. Meter Power PSU 100-240V Charger Cable English Manual NOTE: For use with analog two way radios only. Not for use with DMR digital radios.