- Country
 - Japan
 
- Manufacturer / Brand
 - Kenwood, Trio-Kenwood Inc.; Komagane
 
- Year
 - 1990 ?
 
- Category
 - Amateur TRX: Transmitter/Receiver (and Transceiver)
 
- Radiomuseum.org ID
 - 89489
 
- 
        
- alternative name: Trio Corp.
 - Brand: Jennen
 
 
- Number of Transistors
 - Semiconductors present.
 
- Semiconductors
 
- Main principle
 - Superhet, double/triple conversion
 
- Wave bands
 - Wave Bands given in the notes.
 
- Power type and voltage
 - Storage Battery for all (e.g. for car radios and amateur radios) / 13,8 Volt
 
- Loudspeaker
 - Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
 
- Material
 - Metal case
 
- from Radiomuseum.org
 - Model: TM-631A - Kenwood, Trio-Kenwood Inc.;
 
- Shape
 - Miscellaneous shapes - described under notes.
 
- Notes
 - Kenwood Mobile-VHF-FM-Transceiver TM-631A.
Ranges from 144-148 MHz and 215-239 MHz; 30 memories; Twin-RX; CTCSS; Pout: 50 W on 144 MHz, 25 W on 215 MHz. 
- Author
 - Model page created by Iven Müller. See "Data change" for further contributors.
 
- Other Models
 - 
        
Here you find 905 models, 840 with images and 252 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Kenwood, Trio-Kenwood Inc.; Komagane