SURECOM SW-102 SO239 connector v.s.w.r. power meter

V.S.W.R. meter Introduction VSWR. Forward and reflected power direct digital readout, without any calibration.Maximum measurable power range up to 120W.low insertion loss (0.3 decibels or less) structure allows it to be permanently connected.Build in Frequency counter .All Funtion display ( Frequency,Power , SWR,FW,RW,Battery Level)Feature & SpecificationFrequency range: 125 - 525MHzMeasurable power range: 0.5 - 120W(+-0.5%)Input  read frequency counter (must be < 0.5 W)Maximum power: 120WImpedance: 50ΩSize: W 76 X H 77 X D35 mm.Weight: < 220 gramsBattery : 3.7V Li-ion Rechargeable Battery * Not for the DMR digital radio.Interface: SO239   Power ON/OFF: Press 2 second the [Red button] to power on or power offMENU Dispaly  (Note: Version for up to V3.8)   Set & Save​: ​Press MENU [Blue button] Press F1 [Red button)(Select 1-5 Funtion) Press [Blue button] ( - ), [Yellow button] (+) Press the  [Red button ]for 2 seconds Press the  [Blue button] to SAVE and EXIT   How to check the S.W.R. of your Antenna : ​Connect to "TX" on Radio output  and Antenna  to "ANT".  Proper adaptor/cable is required if your device has different type of connectors. Measurement V.S.W.R. : (see Pic.1) SW-102 TX connect Radio RF out   Radio TX , SW-102 with display S.W.R. measure data.Do not affect the test in the following cases, there are objects nearby, placed horizontally.   How to check the output Watt of your transceiver : Connect to "TX" on Radio output and dummy Load to "ANT".  Proper adaptor/cable is required if your device has different type of connectors. Measurement Power: (see Pic.2) SW-102 TX connect Radio RF out   SW-102 ANT connect 50 ohm Dummy Load Push Radio TX , SW-102 display is Power  measure data.(SW-102 is not for DMR system)   Package Contents 1x SURECOM  SW-102-UV Power & SWR Meter  (SO239 - connector) 1x Power PSU 100-240V 1x Charger Cable   1x English Users Manual