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
-

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
MPN

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 submitted by RigReference
Kenwood TM-631 Schematic Diagram 1 submitted by RigReference
Kenwood TM-631 Schematic Diagram 2 submitted by RigReference
Kenwood TM-631 Schematic Diagram 3 submitted by RigReference
Kenwood TM-631 / TM-731 Instruction Manual submitted by RigReference
 
Upload relevant documents
 
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What is it worth?

Estimating the value of a rig can be challenging. We collect prices paid by real hams over the years to help you estimate the current value of the Kenwood TM-631A. Just bought or sold this model? Let us know what you traded it for and help other ham operators!

Based on historic data, today's value of the Kenwood TM-631A might be around:

  • USD 66.00
Price Condition Year User
USD 67.00 Poor / Used 2016 eBay
USD 300.00 Good / Used 2009 rreh917

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Stories & 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