RigPix logo

Alinco logo


Back to main

Back to Alinco

Next mobile VHF/UHF


Copyright logo


Last modified 2022-12-01

Valid HTML 4.01 Transitional

Alinco DR-635T

A picture of Alinco DR-635T

SPECIFICATIONS

GENERAL
Type:Amateur VHF/UHF transceiver
Frequency range: USA
TX: 144-148 / 430-450 MHz
RX: 87.5-108 / 108-174 / 335-480 MHz
Tuning steps:5 / 8.33 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 / 100 KHz
Frequency stability:2.5 ppm (No temperature reference)
Mode:TX: FM / NFM (DV option)
RX: AM / FM / NFM / WFM (DV option)
Channels / memory management: 80 exclusive for VHF
80 exclusive for UHF
40 common for both VHF & UHF
2 call (1 for VHF and 1 for UHF)
2 scan edges (1 for VHF and 1 for UHF)
Alpha tags
Repeater shift / offset:0 to 99.995 MHz
Power supply:13.8 VDC 15%
Current drain / power consumption:RX: 500-700 mA
TX: Max 11 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):140*40*185 mm (5.51*1.57*7.28")
Weight:1 Kg (2.2 lb)
Other features: Detachable control head. Theft alarm. CTCSS & DCS.
Twin RX (V/U, V/V, U/U).




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 21.7 MHz (VHF) - 45.1 MHz (UHF)
2nd IF: 450 KHz (VHF) - 455 KHz (UHF)
Sensitivity: Main band: 0.2 uV or better (12 dB SINAD)
Sub band: 0.25 uV or better (12 dB SINAD)
Selectivity:FM: 12 KHz (-6 dB)
28 KHz (-60 dB)
Image rejection:70 dB
AF output power / speaker:2 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power:

HighMidLow
2 m:50 W20 W5 W
70 cm:35 W20 W5 W
Modulation system:Variable reactance
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 (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 2005-2014 (Discontinued)
Additional info:
Related documents: User manual (1.4 MB)
Service manual (2.4 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
EDS-9
EJ-47U
EJ-50U
EMS-14
EMS-53
EMS-57
Separation kit
10F3 Digital voice board
1200/9600 bd packet TNC unit with GPS jack
Deluxe desk microphone
Standard microphone
DTMF microphone