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Last modified 2025-12-14

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Ra 421 (Sweden)

A picture of Ra 421 (Sweden)

SPECIFICATIONS

GENERAL
Type:Military VHF transceiver
Frequency range: 30.00-75.95 MHz in two bands
A: 30-52.95 MHz
B: 53-75.95 MHz
Tuning steps:Channelized (920 channels in 50 KHz steps)
Frequency stability:Max ? ppm
Mode:FM
Channels / memory management: 10 presets
Duplex shift / offset:No
Power supply:25 VDC
Current drain / power consumption:RX: 800 mA
TX: Max 10 A
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):342*167*189 mm (13.46*6.57*7.44")
Weight:27 Kg (59.5 lb)
Other features:CTCSS/PL 150.0 Hz. Encryption option.




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




TRANSMITTER SECTION
RF output power: High: 35 W
Low: 1-3 W
Modulation system:
Max FM deviation (Factory set):±? KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:USA, 196x-197x (Discontinued)
Additional info: This tube hybrid was an american RT-246 imported for the swedish army.
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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