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Last modified 2023-11-18

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Kenwood TH-31AT

A picture of Kenwood TH-31AT

SPECIFICATIONS

GENERAL
Type:Amateur VHF transceiver
Frequency range: USA
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: ? mA
TX: ? 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:DTMF keyboard




RECEIVER SECTION
Receiver system: ? conversion superheterodyne
Sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:? mW at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

HighLow
1.25 m:1 W150 mW
Modulation system:
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1984-198x (Discontinued)
Additional info:
Related documents:
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 (Six LR03 / AAA batteries)
DC-DC converter for mobile use
External battery case (Six LR14 / C batteries)
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