Youmei RS-50 Digital SWR/Watt Meter VHF/UHF 125-525MHz 120W for Two-Way Radio

Specifications: Frequency range: 125-525 Mhz Center calibrated: 145Mhz(VHF) 435Mhz(UHF) Power range:0-120W +/- 5% Impedance: 50 ohm Connector: M-J(So-239 (M)) Dimension: 70W x 78H x 30D mm Net Weight: 220g Measurement: 1. Apply output of transceiver to "TX" and antenna or load to "ANT". 2. "POWER" on for ready to use. 3. LCD display show simultaneously "Fwd/Ref Power and SWR". 4. For back-light, please switch "LIGHT" to "ON". 5. No function in 30 seconds, the backlight will automatically off. 6. Once PTT launched, the backlight will be back. Battery installation: 1. Remove the black screw from the cover to open the rear panel. 2. Install 2 pcs "AAA" batteries. 3. Can be used with alkaline or Ni-Ca, Ni-MH rechargeable battery. 4. This unit has no built-in charging circuitry. 5. Be sure to correct polarity of battery. 6. Remove the battery if the unit won't be used in long period. Packages includes: 1 x SWR/Watt Meter(no batteries)

• Forward/Reflected/VSWR ration in one push button
• LCD backlight display for easy reading
• Convenient control layout for easy operation
• Powered by two AAA batteries/rechargeable batteries or external USB port
• Low insertion loss(0.3dB or lower) structure allows it to be connected permanently