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Last modified 2024-01-22

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Kenwood UT-28

A picture of Kenwood UT-28

SPECIFICATIONS

GENERAL
Type:HF band unit
Frequency range: TX: 28-29.7 MHz (10 m)
RX: 28-29.7 MHz (10 m)
Tuning steps:5 / 10 / 15 / 20 / 25 KHz
Frequency stability:±10 ppm @ -20 to +60°C (+4 to +140°F)
Mode:FM
Channels / memory management:See applicable radios
Repeater shift / offset:±100 KHz (For odd splits, see applicable radios)
Power supply:13.8 VDC ±15%
Current drain / power consumption:RX: Less than 1.2 A
TX: Less than 4 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)
Other features:




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 8.83 MHz
2nd IF: 455 KHz
Sensitivity:0.16 uV (12 dB SINAD)
Selectivity:10 KHz (-6 dB)
24 KHz (-60 dB)
Image rejection:




TRANSMITTER SECTION
RF output power:

HighLow
10 m:10 W2 W
Modulation system:Reactance modulation
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -60 dB




MISCELLANEOUS
Manufactured:1992-199x (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Applicable radios: TM-642A
TM-741A
TM-741E
TM-742A
TM-742E
TM-2400
and possibly other radios...