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Last modified 2017-02-08

Kenwood TR-851E

A picture of Kenwood TR-851E

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range:430-440 MHz
Tuning steps:FM: 5 / 12.5 KHz
SSB/CW: 50 Hz, 1 / 5 KHz
Mode:FM/SSB/CW
Channels/memory management:10 regular
1 priority
Lithium battery backup
Repeater shift/offset:1.6 or -7.6 MHz (depending on market)
Power supply:13.8 VDC 15%
Current drain/power consumption:RX: Max 1 A
TX: Max 7.5 A
Antenna impedance/connector:50 ohms / N-jack
Dimensions (W*H*D):180*60*215 mm (7.09*2.36*8.46")
Weight:2.5 Kg (5.51 lbs)
Other features:NB. 1750 Hz tone burst




RECEIVER SECTION
Receiver system: Double conversion superheterodyne (SSB/CW)
1st IF: 41.415 MHz
2nd IF:10.695 MHz
Triple conversion superheterodyne (FM)
1st IF: 41.415 MHz
2nd IF:10.695 MHz
3rd IF: 455 KHz (FM)
Sensitivity: SSB/CW: Better than 0.11 uV (10 dB S+N/N)
FM: Better than 0.18 uV (12 dB SINAD)
Selectivity: SSB/CW: 2.2 KHz (-6 dB), 4.8 KHz (-60 dB)
FM: 12 KHz (-6 dB), 24 KHz (-60 dB)
Image rejection:Better than 60 dB
AF output power/speaker:2 W at 5% distortion / 8 ohms
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power: Hi: 25 W
Lo: 5 W (Adjustable from 2 to 25 W)
Modulation system:FM: Reactance modulation
SSB: Balanced modulation
FM deviation:5 KHz
Spurious emissions:Less than -60 dB
Microphone impedance/connector:500-600 ohms / 8-pin




MISCELLANEOUS
Manufactured:Japan, 1987-19xx (Discontinued)
Additional info:
Related documents: User manual (4.9 MB)
Service manual (13.3 MB)
Power device: M57745
Modifications:
Options/Accessories:
AC-10
CD-10
HS-4
HS-5
HS-6
HS-7
MB-10
MC-42S
MC-48B
MC-55
MC-60A
MC-80
MC-85
MU-1
PG-2N
PG-3B
PS-50
PS-430
SP-40
SP-50
SP-430
SWT-2
SW-100B
SW-200B
VS-1
AC adapter for CD-10
Callsign display
Communication headphones, 8 ohms
Communication headphones, light-weight open-air, 8 ohms
Communication headphones, deluxe light-weight, 12.5 ohms
Micro headphones, 16 ohms
Mobile mounting bracket
Dynamic hand microphone with up/down buttons
Hand microphone with DTMF pad and up/down buttons
Mobile microphone with up/down buttons, gain control and timing circuit
Desk microphone with up/down buttons and switchable impedance
Desk microphone (electret) with up/down buttons
Desk microphone (high-class electret) with low cut filter and level meter
DCL modem unit
DC power cable
DC line noise filter
Heavy duty DC power supply
DC power supply
Compact mobile speaker, 4 ohms
Mobile speaker, 8 ohms
External speaker
Antenna tuning unit, 70 cm band
SWR/Power meter, 140-450 MHz
SWR/Power peak/RMS meter, 140-450 MHz
Voice synthesizer unit
A rear picture of Kenwood TR-851E