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Last modified 2022-06-24

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Kenwood TM-731E

A picture of Kenwood TM-731E

SPECIFICATIONS

GENERAL
Type:Amateur VHF/UHF transceiver
Frequency range: Europe
TX: 144-146 / 430-440 MHz
RX: 136-174 / 430-440 MHz
Tuning steps:5 / 10 / 12.5 / 15 / 20 / 25 KHz
Frequency stability:? ppm @ -20 to +60C (-4 to +140F)
Mode:FM
Channels / memory management: 14 regular
2 scan edge
2 odd split
1 call
RAM storage with lithium battery backup
Repeater shift / offset:2 m: 600 KHz
70 cm: 1.6 and -7.6 MHz
Power supply:13.8 VDC 15%
Current drain / power consumption:RX: Less than 600 mA (No signal)
TX: Less than 11 A
Antenna impedance / connector:50 ohm / One N-jack and one SO-239 (On pigtails)
Dimensions (W*H*D):150*50*219 mm (5.9*2*8.6")
Weight:1.8 Kg (3.97 lb)
Other features:1750 Hz repeater tone. Twin RX.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne, USA
1st IF: 16.9 MHz (2 m) - 21.6 MHz (70 cm)
2nd IF: 455 KHz
Double conversion superheterodyne, Other markets
1st IF: 10.7 MHz (2 m) - 30.825 MHz (70 cm)
2nd IF: 455 KHz
Sensitivity: 2 m: 0.2 uV (12 dB SINAD)
70 cm: 0.16 uV (12 dB SINAD)
Selectivity:12 KHz (-6 dB)
24 KHz (-60 dB)
Image rejection:
AF output power / speaker:2 W at 5% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power:

HighLow
2 m:50 W5 W
70 cm:35 W5 W
Modulation system:Reactance modulation
FM deviation (Factory set):5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:500-600 ohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:199x-1992 (Discontinued)
Additional info:
Related documents:User manual (4.3 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
MA-700
MB-11
MC-44
MC-44DM
MC-44DME
MC-44E
MC-55
MC-60A
MC-80
MC-85
PG-2N
PG-3B
PS-50
PS-430
RC-10
SP-41
SP-50B
SP-430
Dual band mobile antenna with duplexer
Mobile mounting bracket
Multifunction microphone
Multifunction microphone with autopatch
Multifunction microphone with autopatch (Europe)
Multifunction microphone (Europe)
Mobile microphone
Desk microphone with up/down buttons
Omnidirectional desk microphone with up/down buttons
Unidirectional desk microphone with up/down buttons
DC power cable
DC line noise filter
Power supply. 13.8 VDC, 20 A
Power supply. 13.8 VDC, 10 A (20 A peak)
Remote controller / handset
Mobile speaker. 4 ohm
Mobile speaker. 8 ohm
External speaker