Kenwood TM-631A Mobile VHF Transceiver

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Frequency range

RX-range
136-174 / 215-239 MHz
TX-range
144-148 / 220-225 MHz
HAM bands
-
Stability
-
Tuning steps
-
Filters
-

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Receiver

Modulations
FM  
Sensitivity
-
Selectivity
-
Receiver system
-
IF-frequencies
-
Image rejection
-
Audio output
-

Transmitter

Modulations
FM  
RF-Output
High: 50/25 W, Low: 5/5 W

Connections

Antenna
-
Impedance
50 Ω

Electrical

Power requirements
13.8V DC
Current drain RX
-
TX
-

Physical

Dimensions (w×h×d)
-
Weight
-
Form factor
Mobile
Manufactured
Between 199x and 199x

Other features

Memories
30 channels in 1 bank(s)
Usage
Amateur / Ham radio operators
Features + options
CTCSS. Twin RX
Accessories
-

Manuals, diagrams and brochures

Kenwood TM-631 Block Diagram
Kenwood TM-631 Schematic Diagram 1
Kenwood TM-631 Schematic Diagram 2
Kenwood TM-631 Schematic Diagram 3
Kenwood TM-631 / TM-731 Instruction Manual

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Reviews

Great classic 2M / 222MHz dual bander!

Kenwood TM-631A, Mobile VHF Transceiver

A friend of mine alerted me to this rig for sale, and after great luck with other 222MHz Kenwood rigs, I bought it. Glad that I did. Nothing bad to say about this rig at all. Great RX / TX audio quality and great RX sensitivity on both bands. Only fix was to replace Li Memory battery. Only 20 memories per side. Fine for 222MHz, but a bit limiting today for 2M FREQ's, but not a show stopper. Has all CTCSS FREQ's necessary for repeater work. (Not all mid to late 1980's rigs had this.) This rig is a keeper if you have 222MHz in your area, but is still a great 2M performer as well.

Written by rreh917 on Dec 23, 2016

Overall
 
Performance
Build quality
Features
User friendlyness
Value for money
Aquired
Good condition in 2009
USD 300.00

Prices

Estimating the value of a rig can be challenging. The graph below shows historical prices paid by hams over the years. May it guide you to good fortune...

Price Condition Year User
USD 300.00 Good / Used 2009 rreh917
USD 67.00 Poor / Used 2016 eBay
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