RigPix logo

Kenwood/Trio logo


Back to main

Back to Kenwood/Trio

Next HT/portable


Copyright logo


Last modified 2022-03-13

Valid HTML 4.01 Transitional

Kenwood TH-31A

A picture of Kenwood TH-31A

SPECIFICATIONS

GENERAL
Type:Amateur VHF transceiver
Frequency range:TX: 220-225 MHz
RX: 220-225 MHz
Tuning steps:5 KHz
Frequency stability:? ppm
Mode:FM
Channels / memory management:None
Repeater shift / offset:-1.6 MHz
Power supply:5.8-10 VDC (7.2 VDC nominal)
Current drain / power consumption:RX: 30 mA (Squelched)
TX: 350-650 mA
Antenna impedance / connector:50 ohm / Threaded phono
Dimensions (W*H*D):57*120*28 mm (2.24*4.72*1.1"), with PB-21
Weight:260 g (9.17 oz), with PB-21
Other features:




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 16.9 MHz
2nd IF: 455 KHz
Sensitivity:0.25 uV (12 dB SINAD)
Selectivity:12 KHz (-6 dB)
28 KHz (-40 dB)
Image rejection:
AF output power / speaker:250 mW at 10% distortion / 8 ohm
External speaker connector:2.5 mm




TRANSMITTER SECTION
RF output power:

HighLow
1.25 m:1 W150 mW
Modulation system:
FM deviation (Factory set):5 KHz
Spurious emissions:Less than -? dB
Microphone impedance / connector:? ohm / 3-conductor (3.5 mm)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1984-198x (Discontinued)
Additional info:
Related documents:User manual (4.4 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
AJ-3
BC-2
BC-6
BH-3
BT-2
DC-21
EB-2
HMC-1
PB-21
PB-21H
RA-9A
SC-8
SC-8T
SMC-30
TU-6
BNC adapter
Wall charger for PB-21H
2-pack quick charger
Belt hook
Dry cell battery case
DC-DC converter for mobile use
External R14/C dry cell battery case
Headset with VOX
NiCd battery pack. 180 mAh
NiCd battery pack. 500 mAh
StubbyDuk antenna
Soft case with belt hook
Soft case with belt hook
Speaker-microphone
Programmable CTCSS/PL unit