CQV-SWR120 120W SWR & Power Standing Wave Meter High Standing Wave Alarm Function 240 * 240 Full Color HD Display FM-AM-SSB   Desription: *120w digital power standing wave meter *Direct reading of multiple parameters of forward and reverse power standing wave *240 * 240 full color HD display *High standing wave alarm function *Delayed shutdown function, transmitting automatic startup function, and battery undervoltage protection function. *LED dual indication function *Power fine-tuning function, standing wave fine-tuning function. *One button switching function of Chinese and English menus *Buzzer one key on/off function *One button switching function of multiple display interfaces *Customized standing wave alarm setting function *Customized shutdown delay time setting function Technical specifications: *Operating frequency: 1.8-54Mhz *Measuring range: 0.5-120W (SSB mode can reach 200w at most, and the buzzer will alarm when it exceeds 200w) *Standing wave range: 1-99.9 (the default alarm is greater than 2.0, and the alarm point can be manually set through the hidden function) *Charging interface: Type_ c 5v/1A *Battery model: 3.7v/1000mAh (when the battery voltage is lower than 3.4v, the buzzer will ring for charging, and it will automatically shut down when the battery voltage is lower than 3.35v) *Interface type: UHF (SL16) *Shell size: 88mm * 63mm * 38mm (excluding protruding parts) Packagke included: 1 x SWR & Power Meter