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Last modified 2023-09-14

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Kenwood TH-55AT

A picture of Kenwood TH-55AT

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range: USA
TX: 1258-1300 MHz
RX: 1258-1300 MHz
Tuning steps:12.5 / 25 KHz
Frequency stability:±3 ppm @ -10 to +60°C (14 to 140°F)
Mode:FM
Channels / memory management: 14 regular
Channel 13 and 14 can also store odd splits
RAM storage with lithium battery backup
Repeater shift / offset:±12 MHz
Power supply:5.8-12 VDC (Depending on battery pack)
or 5.8-16 VDC external
Current drain / power consumption:RX: 17-100 mA
TX: 0.6-1 A
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):58*157*29 mm (2.28*6.18*1.14")
Weight:450 g (15.87 oz)
Other features:RIT (±5 KHz). Backlit display. DTMF keypad.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 59.7 MHz
2nd IF: 455 KHz
Sensitivity:0.25 uV (12 dB SINAD)
Selectivity:12 KHz (-6 dB)
32 KHz (-40 dB)
Image rejection:
AF output power / speaker:200 mW at 10% distortion / 8 ohm
External speaker connector:2.5 mm




TRANSMITTER SECTION
RF output power:

HighLow
23 cm:0.8-1 W100 mW

NB! The high power setting depends on voltage / battery pack.
Modulation system:Reactance
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -50 dB
Microphone impedance / connector:2 Kohm / 3-conductor (3.5 mm)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1988-1989 (Discontinued)
Additional info:
Related documents:Service manual (4.9 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
BC-9
BC-10
BC-11
BT-6
DC-1 with PG-2V
DC-1 with PG-3E
HMC-2
HS-7
HS-8
PB-5
PB-6
PB-7
PB-8
PB-9
SC-17
SC-18
SC-19
SMC-31
TSU-6
WR-1
Wall charger. For PB-6 and PB-7
Compact charger
Rapid charger
Battery case. Six R6 / AA batteries
DC adapter and cable
DC adapter and cable
Headset with VOX/PTT
Micro headphones
Micro headphone
NiCd battery pack. 7.2 V, 200 mAh
NiCd battery pack. 7.2 V, 600 mAh
NiCd battery pack. 7.2 V, 1100 mAh
NiCd battery pack. 12 V, 600 mAh
NiCd battery pack with built-in charger. 7.2 V, 600 mAh
Soft case. For use with PB-5
Soft case. For use with PB-6 and BT-6
Soft case. For use with PB-7, PB-8 and PB-9
Speaker-microphone
CTCSS/PL encoder/decoder unit
Water resistant bag