| GENERAL |
| Type: | Citizen band transceiver |
| Frequency range: | 26.965-27.405 MHz |
| Channels / tuning steps: | 40 |
| Mode: | AM / SSB |
| Frequency control: | PLL |
| Frequency stability: | ±0.0005% @ 25°C (77°F), 5 minutes after switch on |
| Clarifier or Delta tune: | ±1.25 KHz
Fine tuning on mike: ±300 Hz |
| Power supply: | 13.8 VDC (Male 3-pin jack) |
| Current drain / power consumption: | RX: 270 mA (Squelched)
TX: Less than 1.9 A |
| Antenna impedance / connector: | 50 ohm / SO-239 |
| Dimensions (W*H*D): | 185*58*230 mm (7.28*2.28*9.06") |
| Weight: | 2.4 Kg (5.3 lb) |
| Other features: |
PA. NB. Tone hi-cut. Dimmer. Multifunction mike with
channel up/down buttons, volume and fine tuning.
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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: |
AM
0.5 uV (Threshold)
500 uV (Tight)
SSB
0.25 uV (Threshold)
500 uV (Tight)
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| Selectivity: | 60 dB (Adjacent channel) |
| Image rejection: | 60 dB |
| AF output power / speaker: | 3 W at 10% distortion / 8 ohm |
| External speaker connector: | TS "Minijack" (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: | |
| Max FM deviation (Factory set): | No FM |
| Spurious emissions: | Better than -65 dB |
| Microphone impedance / connector: | 600 ohm / 12-pin |
| Microphone input level: | AM: 1 mV (For 50% modulation)
SSB: 1 mV (For 4 W PEP) |
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| MISCELLANEOUS |
| Manufactured: | 1977-1979 (Discontinued) |
| Main PCB: |
PC-341 by Uniden
Double sided with through-hole components
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| Sub PCBs: |
PC-342AA - Microphone board
PC-343AA - Push switch board
PC-344AA - LED channel display board
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| Additional info: | |
| Related documents: |
User manual (8.1 MB)
Schematic diagram (4.3 MB)
PLL: MB8719
AF amplifier: HA1366
RF driver: 2SC1306
RF final: 2SC1307
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| Known markets and approvals: |
USA
FCC Data: 79-900
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| Sams Photofact #: | CB-258 (April 1979) |
| Modifications and fixes: | |
| Reviews: | |
| Options / Accessories: |
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