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Last modified 2023-09-15

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Kenwood TM-721E

A picture of Kenwood TM-721E

SPECIFICATIONS

GENERAL
Type:Amateur VHF/UHF transceiver
Frequency range: Europe
TX: 144-146 / 430-440 MHz
RX: 144-146 / 430-440 MHz
Tuning steps:5 / 10 / 12.5 / 15 / 20 / 25 KHz
Frequency stability:±? ppm @ -20 to +60°C (-4 to +140°F)
Mode:FM
Channels / memory management: 14 regular (0-d) of which #1 functions as priority channel
1 call
2 band edge search limits
2 odd repeater split
RAM storage with lithium battery backup
Repeater shift / offset:2 m: ±600 KHz
70 cm: -1.6 and -7.6 MHz (Europe)
70 cm: ±1.6 MHz (England)
Power supply:13.8 VDC ±15%
Current drain / power consumption:RX: Less than 600 mA (No signal)
TX: Less than 9.5 A
Antenna impedance / connector:50 ohm / One N-jack and one SO-239
Dimensions (W*H*D):150*50*219 mm (5.91*1.97*8.62")
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:45 W5 W
70 cm:35 W5 W
Modulation system:Reactance modulation
Max 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:1988-19xx (Discontinued)
Additional info:New price 1988 in Sweden: SEK 8200:-
Related documents:User manual (2 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
MA-700
MB-11
MC-48B
MC-55
MC-60A
MC-80
MC-85
PG-2N
PG-3B
PS-50
PS-430
RC-10
SP-41
SP-50B
SP-430
SW-100B
SW-200B
Dual band mobile antenna with duplexer
Mobile mounting bracket
Hand microphone with up/down and DTMF keypad
Mobile microphone with up/down buttons
Desk microphone with up/down and lock buttons
Desk microphone with up/down and lock buttons
High class electret desk microphone
DC power cable
DC line noise filter
Heavy duty DC power supply
DC power supply
Remote controller with DTMF/autopatch
Mobile speaker, 4 ohm
Mobile speaker, 8 ohm
External speaker
Compact SWR/Power/Volt meter, 140-450 MHz
SWR/power meter. Peak or RMS. 140-450 MHz
A picture of Kenwood TM-721E with the optional RC-10