| GENERAL |
| Type: | Citizen band transceiver |
| Frequency range: | 26.965-27.405 MHz |
| Channels / tuning steps: | 40 |
| Mode: | AM / SSB |
| Frequency control: | PLL (MB8719 / MB8734) |
| Frequency stability: | ?% |
| Clarifier or Delta tune: | Coarse:±1.5 KHz "Voice lock"
Fine:±500 Hz "Voice lock" |
| Power supply: | Mains: 120 VAC (Fixed power cord)
or 13.8 VDC (3-pin connector) |
| Current drain / power consumption: | RX: 0.65-1.1 A @ 13.8 VDC
TX: Max 2.2 A @ 13.8 VDC |
| Antenna impedance / connector: | 50 ohm / SO-239 |
| Dimensions (W*H*D): | 381*127*? mm (15*5*?") |
| Weight: | 8.84 Kg (19.5 lb), with separate speaker |
| Other features: |
PA. ANL/NB. Tone control. SWR-meter.
Combined frequency counter/clock.
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| RECEIVER SECTION |
| Receiver system: |
Single conversion superheterodyne (SSB)
IF: 7.8 MHz
Double conversion superheterodyne (AM)
1st IF: 7.8 MHz
2nd IF: 455 KHz
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| Sensitivity: |
AM: 0.5 uV (10 dB S+N/N)
SSB: 0.25 uV (10 dB S+N/N)
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| Selectivity: |
AM: 3 KHz (-6 dB), 9 KHz (-50 dB)
SSB: 1.1 KHz (-6 dB), 2.3 KHz (-60 dB)
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| Image rejection: | 65 dB |
| AF output power / speaker: | 3 W at 10% distortion / 8 ohm (No internal speaker) |
| External speaker connector: | Two 3.5 mm, 4-8 ohm |
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| TRANSMITTER SECTION |
| RF output power: |
AM: 4 W
SSB: 12 W (PEP)
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| Modulation system: | AM: High- and low-level, Class B |
| FM deviation (Factory set): | No FM |
| Spurious emissions: | Better than -? dB |
| Microphone impedance / connector: | 600 ohm / 5-pin (Metal locking ring connector) |
| Microphone input level: | ? mV |
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| MISCELLANEOUS |
| Manufactured: | Taiwan (Early), Philippines (Later), Malaysia (Last), 1978-1994 (Discontinued) |
| Main PCB: | PC-497AA or PC-497AB By Uniden |
| Sub PCBs: |
PC-315AA - Dynalert board
PC-316AA - Power supply board
PC-369AA - Clock and frequency display board
PC-370AA2/3 - Channel display board
PC-370AA3/3 - Squelch control board
PC-389AA - Mic jack board
PC-395AA - Channel selector board
PC-477AA - Counter/time pushbuttons board
PC-478AA - Slide switches board
PC-480AA - Phone jack board
PC-3??AA - Line filter board
PC-47?AA - Output and jack board
PC-???AA - AUX jack board
PC-????? - Clock and frequency counter board
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| Additional info: |
FCC ID: BBO3K22000GTL
New price 1984 in the US: $324.95
New price 1992 in the US: $379.95
New price 1994 in the US: $389.95
New price 1995 in the US: $389.95
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| Related documents: |
User manual (2.1 MB)
Service manual (20.8 MB)
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| Sams Photofact #: | CB-251 (March 1979) |
| Modifications and fixes: | |
| Reviews: | |
| Options / Accessories: |
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