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Last modified 2026-10-03

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Sharp CBT-66A "Twincomm DX"

A picture of Sharp CBT-66A ''Twincomm DX''

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:26.965-27.255 MHz
Channels / tuning steps:2
Mode:AM
Frequency control:Two XTALs per channel
Frequency stability:±0.001% (No temperature reference)
Clarifier or Delta tune:No
Power supply:12 VDC (Eight LR6 / AA alkaline batteries or NiCd pack)
Current drain / power consumption:RX: ? mA
TX: ? mA
Antenna impedance / connector:50 ohm / Phono (RCA)
Fixed telescopic whip
Dimensions (W*H*D):73*198*44 mm (2.87*7.8*1.73")
Weight:900 g (1.98 lb), with batteries
Other features:Battery meter. Charging jack.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne
IF: 455 KHz
Sensitivity:1 uV (10 dB S/N)
Squelch sensitivity:1 uV (Threshold)
Selectivity:3.5 KHz (-3 dB)
Image rejection:
AF output power / speaker:600 mW at ?% distortion / ? ohm
External speaker connector:TS "Subminijack" (2.5 mm)




TRANSMITTER SECTION
RF output power:~600 mW (1 W input)
Modulation system:Collector modulation
Max AM modulation (Factory set):95%
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / Internal only
Microphone input level:




MISCELLANEOUS
Manufactured:Japan, 1968-197x (Discontinued)
Main PCB:
Sub PCBs:
Additional info:
Related documents: Product sheet (1.5 MB), In swedish)
Known markets and approvals: Sweden
Kungliga Telestyrelsen
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options / Accessories:
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