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Last modified 2022-07-04

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Kenwood TR-8400

A picture of Kenwood TR-8400

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range: Europe
TX: 430-440 MHz
RX: 430-440 MHz
USA
TX: 440-450 MHz
RX: 440-450 MHz
Tuning steps:25 KHz
Frequency stability:15 ppm @ -20 to +50C (-4 to +122F)
Mode:FM
Channels / memory management: 5 regular
RAM storage. External backup power required (3-pin connector)
Repeater shift / offset:Europe: -1.6 and -7.6 MHz
USA: ? MHz
Power supply:13.8 VDC 15% (2-pin connector)
Current drain / power consumption:RX: 450 mA (No signal)
TX: 1.4-3.4 A
Antenna impedance / connector:50 ohm / N-jack (Europe) - SO-239 (USA)
Dimensions (W*H*D):147*51*193 mm (5.79*2.01*7.6")
Weight:1.5 Kg (3.31 lb)
Other features:1750 Hz repeater tone (Europe). CTCSS/PL encoder option.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 21.6 MHz
2nd IF: 455 KHz
Sensitivity:0.4 uV (12 dB SINAD)
Selectivity:14 KHz (-6 dB)
30 KHz (-60 dB)
Image rejection:
AF output power / speaker:2 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power:

HighLow
70 cm:10 W1 W
Modulation system:Variable reactance direct shift
FM deviation (Factory set):5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:500 ohm / 6-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1981-198x (Discontinued)
Additional info:New price 1981 in the UK: 279.00
Related documents:User manual (5.4 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
KPS-7
MC-46
PS-10
SP-40
Power supply. 13.8 VDC, 7 A (USA only)
Hand microphone with DTMF keypad
Power supply. 13.8 VDC, 10 A + memory backup power
Mobile speaker
A rear picture of Kenwood TR-8400