TTI TCB-771 Dual AM FM 12v/24v MultiChannel Transceiver CB Radio


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 TTI TCB-771 Dual AM FM 12v/24v Multi Channel Transceiver CB Radio Car Van Truck

The TCB-771 is the new and improved version of the much loved TCB-770, it has all the great features from the TCB-770 but can now be supplied by either a 12v or a 24v supply. The TCB-771 also has a Dynamic Squelch System for a much improved audio experience. TTI have also removed the fiddly dual function knobs found on the TCB770 

Multi standard mobile CB radio for UK and EU bands, it is an ideal radio for users travelling across Europe as it includes various options to select CB frequency bands for Italy, Germany, Spain, France, Poland and UK (Please note when using in UK you may only select the bands UK, UE or EC).
Features multi-function display with back light, microphone with up/down buttons, external S meter socket, quick up/down channel selector and scanning, emergency button, external speaker socket. Power: 13.8V DC or 24V DC.. 


  • Multiple Bands including 80 Channels for use in UK
  • 26.965Mhz to 27.405Mhz (CEPT)
  • 27.60125Mhz to 27.99125Mhz  (UK)
  • 4 Watts Output Power
  • AM/FM Operation (not for use in UK)
  • Last Channel Recall (only in UK, UE, or EC mode)
  • Quick Up channel change button (10 channels at a time)
  • Quick Down channel change button (10 channels at a time)
  • Squelch Control knob with DSS
  • Beep Tone ON/OFF
  • T.O.T (Timer Our Time)
  • Backlight Dimmer
  • Emergency Channel 9 button
  • Scan / Keypad Lock
  • Remote Channel Up/Down
  • External Speaker jack
  • Eexternal S meter jack
  • Blue Illumination
  • Power 12/24v DC
  • Approximate Size     140mm(w) x 37mm(h) x 186mm(d)

Electrical Specification

General Specification

  • Channels:   Multi-Standard including 80 Channels (40 Ch CEPT + 40 Ch UK)
  • Frequency range:   26.56 MHz ~ 28.00 MHz ( 26.965Mhz to 27.405Mhz (CEPT)
    27.60125Mhz to 27.99125Mhz (UK)
  • Operating temperature:   -10 to +55ş C
  • Input Voltage:   12/24V DC ± 10%
  • Size:   140 (W) x 186 (L) x 37 (H) mm.
  • Weight:   990g
  • Antenna Connector:   SO-239 (Female UHF)


  • Power Output:   Duty cycle 10% 4Watts @13.8V DC
  • Modulation:   AM: from 85% to 95%  FM : 1.8KHz +- 0.2KHz
  • Frequency:   Response : 300Hz to 3000Hz
  • Output Impedance:   50 ohms, Unbalanced
  • Harmonic Suppression:   Less than -36dBm
  • Current Drain:   AM Full Mod. 1.6A Max.


  • Receiving system:   Dual conversion superheterodyne
  • IF Frequencies:   Double Conversion 1st 10.695MHz / 2nd 455KHz
    0.7µV for 10dB (S+N)/N in AM Mode
    0.5uV for 20dB SINAD in FM Mode
  • Audio Output Power:   4.0W @8 Ohm
  • Audio Distortion:   LESS then 8% @ 1KHz
  • Image rejection:   60dB
  • Adjacent Channel Rejection:   60dB
  • Conducted Spurious:   More than 60 dB
  • Frequency Response:   300 to 2500Hz
  • Built-in Speaker:   8 ohms, round
  • Squelch:   Adjustable; Threshold less than 1 microvolt

Frequency Bands Table

  • EC:   CEPT 40CH FM 4 watts
  • E:   Spain 40CH AM/FM 4watts
  • F:   France 40CH FM 4 watts / 40CH AM 1 watt
  • PL:   Poland 40CH AM/FM 4 watts (+ / - 5KHz)
  • UK:   UK 40CH FM 4watts
  • UE:   UK 40CH FM 4 watts / 40CH CEPT (EC) 4 watts
  • I:   Italy 40CH AM/FM 4 watts
  • I2:   Italy 34CH AM/FM 4 watts
  • D:   Germany 80CH FM 4 watts / 12CH AM 1 watt
  • D2:   Germany 40CH FM 4 watts / 12CH AM 1 watt
  • EU:   Europe 40CH FM 4 watts / 40CH AM 1 watt

Brand new in a Box

  • Model: tti tcb-771
  • Shipping Weight: 0.5kgs

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