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Last modified 2021-10-28

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Kenwood TH-21E

A picture of Kenwood TH-21E

SPECIFICATIONS

GENERAL
Type:Amateur VHF transceiver
Frequency range:TX: 144-146 MHz
RX: 144-146 MHz
Tuning steps:5 / 10 / 100 KHz, 1 MHz (Thumb wheels)
Frequency stability:? ppm @ -20 to +50C (-4 to +122F)
Mode:FM
Channels / memory management:None
Repeater shift / offset:-600 KHz
Power supply:7.2 VDC (NiCd battery pack)
Current drain / power consumption:RX: 28 mA (Squelched)
TX: 300-600 mA
Antenna impedance / connector:50 ohm / Threaded phono (RCA)
Dimensions (W*H*D):57*120*28 mm (2.24*4.72*1.1")
Weight:260 g (9.17 oz), with standard battery pack
Other features:1750 Hz call tone.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 16.3 MHz
2nd IF: 455 KHz
Sensitivity:0.25 uV (12 dB SINAD)
Selectivity:12 KHz (-6 dB)
28 KHz (-60 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
2 m:1 W150 mW
Modulation system:Reactance
FM deviation (Factory set):5 KHz
Spurious emissions:Less than -60 dB
Microphone impedance / connector:? ohm / ?-pin (3.5 mm)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1984-198x (Discontinued)
Additional info:New price 1984 in Sweden: SEK 2345:-
Related documents:User manual (4.4 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
AJ-3
BC-3
BC-6
BT-2
DC-21
EB-2
HMC-1
HS-8
PB-21
PB-21H
SC-8
SMC-30
Antenna adapter (Threaded phono-to-BNC)
Wall charger
Quick charger
Dry cell battery case
DC-DC converter
SUM-2 battery case, for extended operation
Headset with VOX
Earphone
NiCd battery pack
Heavy duty NiCd battery pack
Soft carrying case
Speaker-microphone