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Last modified 2022-01-30

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A picture of TTI TCB-550


Type:Citizen band transceiver, multinorm
Frequency range
depending on setting:
EC: 26.965-27.405 MHz
EU: 26.965-27.405 MHz
E: 26.965-27.405 MHz
F: 26.965-27.405 MHz
I: 26.965-27.405 MHz
I2: 26.875-27.265 MHz
D: 26.565-27.405 MHz
D2: 26.965-27.405 MHz
UE: 26.965-27.405 and 27.60125-27.99125 MHz
UK: 27.60125-27.99125 MHz
PL: 26.960-27.400 MHz
RU: 25.615-30.105 MHz (After modification)
PX: 26.610-30.100 MHz (After modification)
Channels / tuning steps:12, 34, 40 or 80 (Depending on setting)
400 after modification
Mode:AM / FM
Frequency control:PLL
Frequency stability:?%
Clarifier or Delta tune:No
Power supply:13.2 VDC 15% (Fixed power cord)
Current drain / power consumption:RX: ? mA
TX: Max 1.6 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):124*37*135 mm (4.88*1.46*5.32")
Weight:655 g (1.44 lb)
Other features:Roger beep. Dimmer. Scanning. Ch9/19 button.

Receiver system: Double conversion superheterodyne
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity: AM: 0.7 uV (10 dB(S+N)/N)
FM: 0.5 uV (20 dB SINAD)
Image rejection:60 dB
AF output power / speaker:2 W at 8% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm

RF output power: 1 or 4 W (Depending on setting)
10% duty cycle @ 4 W
Modulation system:
FM deviation (Factory set):1.8 KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV

Manufactured:Korea and China, 200x-20xx (Discontinued)
Main PCB:
Sub PCBs:
Additional info:
Related documents: User manual (2.2 MB)
Service manual (4.8 MB)
Sams Photofact #:None
Modifications and fixes:Frequency expansion (418 KB)
Options / Accessories:
- -
A rear picture of TTI TCB-550