LT-770 walkie talkie

      LT-770 walkie talkie

      Function:

      Product Description

      Walkie talkie LT-770 specification

      Built-in FM radio

      Computer / manual program

      Built-in 50 groups of CTCSS and 104+1 groups of DCS

      Repeater function

      Battery indicator

      High sensitivity receiver

      Scan function

      Keypad lockout

      Signal strength indicator

      High/low power select (1 to 5W)

      Standby time: 120 hours

      Lower battery warning

      LCD & keypad backlit display

      Adjustable squelch level

      12.5kHz  / 25kHz compatibility

      Emergency alarm function

      Technical specifications

      Model NO.LT-770VLT-770U
      General
      Frequency BandVHFUHF
      Frequency Range136-174MHz400-470MHz
      Channel Capacity99
      Operating Voltage7.2V DC ±15%
      Antenna Impedance50Ω
      Channel Spacing12.5kHz/25kHz
      Working Temperature-30 °C – +60 °C
      Frequency Stability±2.5 ppm
      Size (Without Antenna)104(W)mmx62(L)mmx36mm(D)
      Weight(With Battery)250g
      Battery1500 mAh(Li-ion)
      Transmitter
      RF Power Output5W/4W
      Modulation TypeF3E
      Modulation Distortion< 5%(300-3000Hz)
      Max Freq Deviation< 5kHz(1000Hz When 100%)
      FM Noise<=-45dB
      Receiver
      Sensitivity(12Db SINAD)0.16μV
      Selectivity55dB
      Adjacent Channel Selecivity>=70dB
      Noise Respond>=60dB
      FM Noise30dB/40dB
      Modulation Type8K/16KF3E
      Audio Power Output500mW When Distortion Less Than 10%
      Audio Distortion< 5%
      Operating Bandwidth±3.5kHz/3.75kHz
      Standby Current< 12mA

      LT-770 walkie talkie

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