The TTI TCB-900 is a 40 channel AM/FM mobile CB radio with an integral front mounted speaker and a front microphone socket, developed to give clear and crisp audio. At a depth of only 94mm, excluding the antenna socket, it will take either a traditional bracket mount or a DIN sized hole, so it suits truckers and any vehicle where dash space is limited. The 12/24V input and multiple bands for use in most EU countries make it equally at home in UK and European cabs.
| Specification | Value |
|---|---|
| Channels | 40 |
| Frequency range | 26.965 MHz to 27.99125 MHz; 26.965 MHz to 27.405 MHz (CEPT); 27.60125 MHz to 27.99125 MHz (UK) |
| Operating mode | F3E (FM), A3E (AM) |
| Frequency control | PLL Synthesizer |
| Frequency tolerance | 0.002% |
| Operating temperature range | -10 to 55 degrees Celsius |
| Microphone | 6 pin plug in type |
| Antenna connector | SO239 type |
| Dimensions (W x H x L) | 170 x 51 x 94mm |
| Weight | 978.5g |
| Power output | Duty cycle 10% 4Watts @13.8V DC |
| Supply voltage | 12/24V input |
| Modulation | AM (85% to 95%), FM (1.8KHz ± 0.2KHz) |
| Frequency response (transmitter section) | 300Hz to 3000Hz |
| Output impedance | 50 ohms, unbalanced |
| Harmonic suppression | Less than -54dBm |
| Current drain | AM full mod. 1.6A max |
| Receiving system | Dual conversion super-heterodyne |
| IF frequencies | Double conversion 1st 10.695MHz / 2nd 455KHz |
| Sensitivity | 0.7uV for 10dB (S+N)/N in AM; 0.5uV for 20dB SINAD in FM mode |
| Audio output power | 4.0W @ 8 ohm |
| Audio distortion | Less than 8% @ 1KHz |
| Image rejection | More than 60dB |
| Adjacent channel rejection | More than 60dB |
| Conducted spurious | Less than -57 dBm |
| Frequency response (receiver section) | 300 to 2500Hz |
| Built-in speaker | 8 ohms, round |
| Squelch | Adjustable; threshold less than 1 microvolt; DSS less than 2 microvolt |
Features
- 4W output power
- Front mounted speaker
- Short body
- DIN size
- 12/24V input
- Multiple bands for usage in most EU countries
- AM/FM operation (subject to country regulation)
- DSS (Dynamic Squelch System)
- Multi-colour backlighting
- Emergency Channel (9/19) / keypad lock function button
- Microphone gain
- Attenuation
- Scan function
- Speaker mute
- Menu mode (microphone gain, call tone, beep tone on/off, TOT, backlight dimmer)
The TCB-900 has a very short back, making it easy to fit in apertures of limited size, and the display is large and easy to read wherever the radio is mounted. The backlighting can be switched between 3 different colours from a button on the front of the radio.
The radio is supplied with a standard under-dash mount. An optional DIN adapter is available for fitting it into a standard radio slot in a vehicle.
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