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Last modified 2023-12-19

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SMC Oscar 2 (CBM 272) by South Midlands Communications Ltd

A picture of SMC Oscar 2 (CBM 272) by South Midlands Communications Ltd

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range: TX: 29.310-29.700 MHz
RX: 29.310-29.700 MHz
Tuning steps:Channelized
Frequency stability:±? ppm
Mode:FM
Channels / memory management: 40 regular
Repeater shift / offset:No
Power supply:13.8 VDC
Current drain / power consumption:RX: ? mA
TX: Max ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)
Other features:




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity:0.25 uV (12 dB SINAD)
Selectivity:55 dB (Adjacent channel)
Image rejection:
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power: Max 5 W
Modulation system:
Max FM deviation (Factory set):±2.5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:? ohm / 4-pin (Netal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:1983-198x (Discontinued)
Additional info: This is a factory modified UK CB 27/81 transceiver
Related documents:
Modifications and fixes:
Reviews:Amateur Radio (UK): December 1983, page 30
Options / Accessories:
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