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Last modified 2022-06-23

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Kenwood TM-551A

A picture of Kenwood TM-551A

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range: USA
TX: 1240-1300 MHz
RX: 1240-1300 MHz
Tuning steps:? KHz
Frequency stability:? ppm
Mode:FM
Channels / memory management: 40 regular
1 call
RAM storage with lithium battery backup
Repeater shift / offset:? MHz
Power supply:13.8 VDC
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / N-jack
Dimensions (W*H*D):140*40*160 mm (5.51*1.58*6.3")
Weight:1 Kg (2.2 lb)
Other features:CTCSS/PL encoder. 1K2/9K6 packet jack. DTSS.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: 455 KHz
Sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:2 W at 5% distortion / 8 ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power:

HighLow
23 cm:10 W1 W
Modulation system:Reactance modulation
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:1994-199x (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
MB-12
MB-201
MC-45
MC-45DM
ME-1
MJ-88
MJ-89
PG-2N
PG-3B
PG-3G
PG-5A
PS-33
SP-41
SP-50B
TSU-8
Mobile mounting bracket
Mobile mounting bracket
Multifunction microphone
Multifunction microphone with autopatch
Memory expansion unit
Microphone plug adapter
Modular plug microphone switch
DC power cable
DC line noise filter (High capacitance)
DC line noise filter
Data cable
Power supply. 13.8 VDC, 20.5 A
Mobile speaker. 4 ohm
Mobile speaker. 8 ohm
CTCSS/PL decoder unit