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Last modified 2022-01-23

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Realistic TRC-451 (21-1565)

A picture of Realistic TRC-451 (21-1565)


Type:Citizen band transceiver
Frequency range:26.965-27.405 MHz
Channels / tuning steps:40
Mode:AM / SSB
Frequency control:PLL (uPD2824C)
Frequency stability:0.005%
Clarifier or Delta tune:? KHz
Power supply:12-16 VDC (3-pin connector)
Current drain / power consumption:RX: 0.25-1 A
TX: Max 2 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):185*58*226 mm (7.3*2.3*8.9")
Weight:4.5 Kg (10 lb)
Other features:PA. Dimmer.

Receiver system: Single conversion superheterodyne
IF: 10.695 MHz
Sensitivity: AM: 0.5 uV (10 dB S/N)
SSB: 0.25 uV (10 dB S/N)
Image rejection:75 dB
AF output power / speaker:3 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm

RF output power: AM: 4 W
SSB: 12 W
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -65 dB
Microphone impedance / connector:600 ohm / 5-pin DIN (180)
Microphone input level: AM: 0.4 mV (For 50% modulation)
SSB: 0.4 mV (For 4 W PEP)

Manufactured:Taiwan, 1981-198x (Discontinued)
Main PCB:PC-965 By Uniden
Sub PCBs: PC-465AA - Mike jack board
PC-951AA - Mod. amp. board
PC-952AA - Slide switch board
PC-953AA - LED channel display and indicators board
PC-954AA - Channel selector board
Additional info:FCC ID: AXS9YR21-1565
Related documents: Service manual (33 MB)
PLL: uPD2824C
Sams Photofact #:None
Modifications and fixes:
Options / Accessories:
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A rear picture of Realistic TRC-451 (21-1565)