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Last modified 2022-03-19

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Kenwood TH-405A

A picture of Kenwood TH-405A

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range
depending on version:
TX: 440-450 MHz (USA)
TX: 430-440 MHz (Others)
RX: 440-450 MHz (USA)
RX: 430-440 MHz (Others)
Tuning steps:5 KHz
Frequency stability:? ppm
Mode:FM
Channels / memory management: 3 regular
RAM storage with lithium battery backup
Repeater shift / offset:? MHz
Power supply:6.3-12 VDC (Depending on battery pack)
or 7.2-16 VDC external
Current drain / power consumption:RX: 55 mA (Squelched)
TX: 0.9-2 A
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):67*173*37 mm (2.64*6.81*1.46")
Weight:540 g (1.15 lb), with PB-2 and antenna
Other features:




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 30.825 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:350 mW at 10% distortion / 8 ohm
External speaker connector:2.5 mm




TRANSMITTER SECTION
RF output power:

HighLow
70 cm:1-5 W500 mW

The high power setting depends on voltage / battery pack.
Modulation system:Reactance
FM deviation (Factory set):5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:? ohm / 3-conductor (3.5 mm)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1986-1987 (Discontinued)
Additional info:
Related documents:User manual (7.2 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
BC-2
BC-7
BC-8
BH-5
BT-5
HS-7
HS-8
MB-4
PB-1
PB-2
PB-3
PB-4
PG-2V
PG-3C
SC-12
SC-13
SMC-30
TSU-3
Battery charger. For PB-2 only
Rapid charger. For PB-1, PB-2, PB-3 and PB-4
Compact charger. For PB-1, PB-2, PB-3 and PB-4
Swivel hook
Battery case
Ultra-light headphones
Micro headphone
Mobile bracket
NiCd battery pack. 12 V, 800 mAh
NiCd battery pack. 8.4 V, 500 mAh
NiCd battery pack. 7.2 V, 800 mAh
NiCd battery pack. 7.2 V, 1600 mAh
DC cable
Cigarette lighter power cable
Softcase
Softcase, for use with PB-1 and PB-4
Speaker-microphone
CTCSS/PL unit (DIP-switches)