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Last modified 2023-09-15

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Kenwood TM-742E

A picture of Kenwood TM-742E

SPECIFICATIONS

GENERAL
Type:Amateur VHF/UHF transceiver
Frequency range: Europe
TX: 144-146 / 430-440 MHz
RX: 118-174 / 410-470 MHz
Band options
10 m, 6 m, or 23 cm
Tuning steps:5 / 10 / 12.5 / 15 / 20 / 25 KHz
Frequency stability:10 ppm @ -20 to +60C (-4 to +140F)
Mode:TX: FM
RX: AM / FM
Channels / memory management: 100 regular per band (Can store odd splits)
1 call per band
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: Max 1.2 A
TX: Max 11.5 A
Antenna impedance / connector:50 ohm / One SO-239 and one N-jack (On pigtails)
Dimensions (W*H*D):150*50*175 mm (5.91*1.97*6.89")
Weight:1.5 Kg (3.31 lb)
Other features:CTCSS/PL encoder. Twin RX (Triple RX with optional band module).




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.695 MHz (2 m), 21.6 MHz (70 cm)
2nd IF: 455 KHz
Sensitivity: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:

HighMidLow
2 m:50 W10 W5 W
70 cm:35 W10 W5 W
Modulation system:Reactance modulation
Max FM deviation (Factory set):5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:600 ohm / 8-pin (Modular)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1995-199x (Discontinued)
Additional info: New price 1995 in Sweden: 11233:-(!) Yes, at the time, we had
a recession here in Sweden, with a floating currency and exchange rate.
Imported goods were ridiculously expensive.
Related documents: User manual (3.6 MB)
Service manual (10.5 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
DFK-3
DFK-4
DFK-5
MB-14
MC-45
MC-45DM
MC-45DME
MC-45E
MJ-88
MJ-89
PG-2N
PG-3B
PG-3G
PS-33
SP-41
SP-50B
TSU-7
UT-28S
UT-50S
UT-1200
Detachable front panel mounting kit
Detachable front panel mounting kit
Detachable front panel mounting kit
Mobile mounting bracket
Multifunction hand microphone
Multifunction hand microphone with DTMF
Multifunction hand microphone with DTMF (Europe)
Multifunction hand microphone (Europe)
Modular to 8-pin microphone adapter
Modular plug microphone switch
DC cable
Noise filter power cable
DC line noise filter (High capacitance)
Power supply. 13.8 VDC, 20.5 A
Mobile speaker
Communications speaker
CTCSS/PL unit
10 m / 50 W band unit
6 m / 50 W band unit
23 cm / 10 W band unit