| GENERAL |
| Type: | Citizen band transceiver |
| Frequency range: | 26.965-27.405 MHz |
| Channels / tuning steps: | 40 |
| Mode: | AM / SSB |
| Frequency control: | PLL (PLL02A) |
| Frequency stability: | ±0.003% @ -30 to +50°C (-22 to +122°F) |
| Clarifier or Delta tune: | ±800 Hz |
| Power supply: | 10.5-16 VDC (Male 2-pin jack) |
| Current drain / power consumption: | RX: 0.5 to 1.5 A
TX: Max ? A |
| Antenna impedance / connector: | 50 ohm / SO-239 |
| Dimensions (W*H*D): | 190*64*254 mm (7.5*2.5*10") |
| Weight: | 2.72 Kg (6 lb) |
| Other features: | PA. ANL/NB. |
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| RECEIVER SECTION |
| Receiver system: |
Single conversion superheterodyne (SSB)
IF: 10.695 MHz
Double conversion superheterodyne (AM)
1st IF: 10.695 MHz
2nd IF: 455 KHz
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| Sensitivity: |
AM: 1 uV (10 dB S/N)
SSB: 0.3 uV (10 dB S/N)
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| Selectivity: |
AM: 4 KHz (-5 dB)
SSB: 2 KHz (-5 dB)
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| Image rejection: | 50 dB |
| AF output power / speaker: | 3 W at 10% distortion / 8 ohm |
| External speaker connector: | 3.5 mm, 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 amplitud modulation
SSB: Balanced
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| Max FM deviation (Factory set): | No FM |
| Spurious emissions: | Better than -? dB |
| Microphone impedance / connector: | ? ohm / 4-pin (Male locking ring jack) |
| Microphone input level: | ? mV |
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| MISCELLANEOUS |
| Manufactured: | Japan, 1978-197x (Discontinued) |
| Main PCB: | PTBM048AOX by Cybernet Electronics Corporation |
| Sub PCBs: |
PTLD010COX - LED display board
PTSW020COX - Channel selector board
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| Additional info: | FCC data: Colt 485 |
| Related documents: |
User manual (2.9 MB)
Schematic diagram (138 KB)
PLL: PLL02A
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| Sams Photofact #: | CB-227 (October 1978) |
| Modifications and fixes: | |
| Reviews: | |
| Options / Accessories: |
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