| GENERAL |
| Type: | Citizen band transceiver |
| Frequency range: | 26.965-27.405 MHz |
| Channels / tuning steps: | 40 |
| Mode: | AM / SSB |
| Frequency control: | PLL (MB8734) |
| Frequency stability: | ±135 Hz @-20 to +50°C (-4 to +122°F) |
| Clarifier or Delta tune: | ±1.25 KHz |
| Power supply: | Mains: 120 VAC (Fixed power cord)
or 13.8 VDC (Male 3-pin jack) |
| Current drain / power consumption: | RX: 0.5-1.5 A @ 13.8 VDC
TX: Max 3 A @ 13.8 VDC |
| Antenna impedance / connector: | 52 ohm / SO-239 |
| Dimensions (W*H*D): | 340*100*290 mm (13.5*4*11.5") |
| Weight: | 6.5 Kg (14 lb) |
| Other features: |
PA. ANL/NB. Channel 9 switch.
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| RECEIVER SECTION |
| Receiver system: |
Single conversion superheterodyne
IF: 7.8 MHz
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| Sensitivity: |
AM: 0.5 uV (10 dB S/N)
SSB: 0.25 uV (10 dB S/N)
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| Squelch sensitivity: | 1 mV (Tight) |
| Selectivity: | 70 dB (Adjacent channel) |
| Image rejection: | 90 dB |
| AF output power / speaker: | 4 W at ?% distortion / 8 ohm |
| External speaker connector: | TS "Minijack" (3.5 mm) |
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| TRANSMITTER SECTION |
| RF output power: |
AM: 4 W
SSB: 12 W (PEP)
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| 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) |
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| MISCELLANEOUS |
| Manufactured: | Taiwan, 1980-198x (Discontinued) |
| Main PCB: |
PC-385 by Uniden
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| Sub PCBs: |
PC-384 - LED channel display board
PC-401 - Speaker jacks board
PC-447 - Channel selector board
PC-466 - Switches, clarifier and RF gain board
PC-569 - Headphone jack board
PC-586 - Power supply board
PC-647 - Mike jack board
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| Additional info: |
New price 1980 in the US: $359.95
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| Related documents: |
User manual (7 MB)
PLL: MB8734
AF amplifier: TA7222P
RF driver: 2SC1306
RF final: 2SC1969
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| Known markets and approvals: |
USA
FCC Data: 21-1583
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| Sams Photofact #: | CB-292 (1981) |
| Modifications and fixes: | |
| Reviews: | |
| Options / Accessories: |
21-549
40-1244
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External speaker
Weatherproof external speaker
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