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Last modified 2026-06-23

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CTVR 40

A picture of CTVR 40

SPECIFICATIONS

GENERAL
Type:License-free "49 MHz UK" MPT1336 transceiver (Not really)
Frequency range: 46.000-46.390 MHz according to ads, but it appears that
these units were mainly modified for the 49 MHz segment.
Channels / tuning steps:40
Frequency stability:? ppm
Mode:FM
Memory channels / management:No
Repeater shift / offset:Simplex only
Power supply:13.8 VDC
Current drain / power consumption:RX: ? mA
TX: ? mA
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)
Other features:




RECEIVER SECTION
Receiver system: ? conversion superheterodyne
Sensitivity:
Squelch sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:? mW at ?% distortion / ? ohm
External speaker connector:




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




MISCELLANEOUS
Manufactured:1981-1981 (Discontinued)
Additional info: Imported to the UK by Castlegate TeleVision and Radio (CTVR) in Grantham, in
an attempt to spark activity in the band. The CTVR-40 was however way too
powerful for MPT1336 compliance, and its use was therefore highly illegal.
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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