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Kenwood TM-742A
Specifications

Return to TM-742A

Discontinued Amateur Mobile Transceivers 

Kenwood logo TM-742A Specifications



GENERAL
Antenna Impedance 50 ohms
Current Drain Receive 1.2 A
Current Drain Transmit 144 MHz: Less than 11.5 A
440 MHz: Less than 10.0 A
Dimensions (W x H x D) 5-7/8 x 1-15/16 x 6-7/8in (150 x 50 x 175 mm)
Frequency Range 1200 MHz (option)
Frequency Range 144 MHz TX: 144 - 148 MHz
RX: 118 - 174 MHz
Frequency Range 220 MHz (Option)
Frequency Range 28 MHz (Option. Not for TM-942)
Frequency Range 440 MHz TX: 438 - 450 MHz
RX: 410 - 470 MHz
Frequency Range 50 MHz (Option)
Ground Negative
Microphone Impedance 600 ohms
Mode F3E (FM) (A3E (AM) RX: 118 - 136 MHz)
Operating Temperature Range -20°C - -60°C
Power Requirement 13.8 V DC ±15%
Weight (approx.) 3.3 lb (1.5 kg)
RECEIVE
Audio Output Power More than 2 W (8 ohms, 5% distortion)
Circuitry Double conversion superheterodyne
Intermediate Frequency 1st IF 144 MHz: 10.695 MHz
440 MHz: 21.6 MHz
Intermediate Frequency 2nd IF 455 kHz
Selectivity -6 dB Greater than 12 kHz
Selectivity -60 dB Less than 24 kHz
Sensitivity (12dB SINAD) Less than 0.16 µV
Squelch Sensitivity Less than 0.1 µV
TRANSMIT
Frequency Tolerance ±10 ppm
Maximum Frequency Deviation ±5 kHz
Modulation Reactance
Modulation Distortion Less than 3 % (300 Hz - 3 kHz)
RF Output Power HI 144 Mhz: 50 W
440 MHz: 35 W
RF Output Power LO 5 W
RF Output Power MID 10 W
Spurious Radiation Less than -60 dB
  Specifications may be changed without notice.


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