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Last modified 2026-10-19

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Grundig CBM-100

A picture of Grundig CBM-100

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:27.005-27.135 MHz
Channels / tuning steps:12 (Channel 4 to 15)
Mode:AM
Frequency control:PLL (NIS7261A)
Frequency stability:±0.002% @ -30 to +50°C (-22 to +122°F)
Clarifier or Delta tune:No
Power supply:13.8 VDC
Current drain / power consumption:RX: ? mA
TX: ? mA
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):160*50*200 mm (6.3*1.97*7.87")
Weight:? Kg (? lb)
Other features:ANL "Rauschfilter". External selcall jack.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity:0.25 uV (12 dB S/N)
Squelch sensitivity:0.08 uV (Threshold)
100 uV (Tight)
Selectivity:70 dB (Adjacent channel)
Image rejection:80 dB
AF output power / speaker:5 W at ?% distortion / 8 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:500 mW
Modulation system:
Max AM modulation (Factory set):98%
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -70 dB
Microphone impedance / connector:600 ohm / 7-pin DIN
Microphone input level:2 mV for 70% modulation




MISCELLANEOUS
Manufactured:1977-1978 (Discontinued)
Main PCB:
Sub PCBs:
Additional info:
Related documents: Service manual (2.6 MB, In german)
Known markets and approvals: West Germany
FTZ Nr. PR27-318 M/77
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options / Accessories:
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