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Last modified 2026-07-13

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CRT 4M

A picture of CRT 4M

SPECIFICATIONS

GENERAL
Type:Amateur VHF transceiver
Frequency range: TX: 66-88 MHz
RX: 66-88 MHz
Tuning steps:5 / 6.25 / 8.33 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 KHz
Frequency stability:±2.5 ppm @ -20 to +60°C (-4 to +140°F)
Mode:FM / NFM
Channels / memory management: 200 regular with alpha tags
1 call
Scanning
Non-volatile EEPROM storage
Repeater shift / offset:Programmable
Power supply:13.8 VDC ±15%
Current drain / power consumption:RX: 400 mA (Squelched)
TX: Max 9 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):145*47*190 mm (5.71*1.85*7.48")
Weight:1.2 Kg (2.64 lb)
Other features: CTCSS/PL and DCS with tone scan. DTMF. 2-tone and 5-tone. ASQ.
PC programmable.




RECEIVER SECTION
Receiver system: ?
Sensitivity:FM: 0.25 uV (12 dB SINAD)
NFM: 0.35 uV (12 dB SINAD)
Squelch sensitivity:
Noise figure:
Selectivity:More than 60 dB (Adjacent channel)
Image rejection:
AF output power / speaker:2 W at 10% distortion / 8 ohm
External speaker connector:TS "Minijack" (3.5 mm)




TRANSMITTER SECTION
RF output power:

HighMidLow
VHF:50 W25 W10 W
Modulation system:
Max AM modulation (Factory set):No AM
Max FM deviation (Factory set):FM: ±5 KHz
NFM: ±2.5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:2 Kohm / 8-pin modular
Microphone input level:? mV




MISCELLANEOUS
Manufactured:China, 2016-202x
Additional info: New price, july 2026 in Sweden: SEK 2795:-
New price, july 2026 in France: €203.13
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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