Kenwood TM-521A

Source: rigpix

Transceivers
Updated: 09/02/2026

Kenwood TM-521A

Confidence score: 50%
Estimated value
461€

Theoretical estimate

392€

Minimum

530€

Maximum

Specifications

GENERAL

Type
Amateur UHF transceiver
Frequency range
USA TX: 1240-1300 MHz RX: 1240-1300 MHz
Tuning steps
10 / 12.5 / 20 / 25 KHz
Frequency stability
±3 ppm @ -20 to +60°C (-4 to +140°F)
Mode
FM
Channels / memory management
10 regular 2 band edge search limits 2 odd repeater split RAM storage with lithium battery backup
Repeater shift / offset
±12 MHz
Power supply
13.8 VDC ±15%
Current drain / power consumption
RX: 600 mA (No signal) TX: Max 5.5 A
Antenna impedance / connector
50 ohm / M-jack (SO-239) on pigtail
Dimensions (W*H*D)
141*42*193 mm (5.55*1.65*7.6")
Weight
1.2 Kg (2.65 lb)
Other features
CTCSS/PL encoder. ALT.

RECEIVER SECTION

Receiver system
Double conversion superheterodyne 1st IF: 59.7 MHz 2nd IF: 455 KHz - Ceramic filter: Murata CFW455E
Sensitivity
0.16 uV (12 dB SINAD)
Selectivity
12 KHz (-6 dB) 36 KHz (-60 dB)
AF output power/speaker
2 W at 5% distortion / 8 ohm
External speaker connector
3.5 mm, 8 ohm

TRANSMITTER SECTION

Modulation system
Reactance
Max FM deviation
±5 KHz
Spurious emissions
Better than -50 dB
Microphone impedance / connector
500-600 / 8-pin (Metal locking ring connector)
Microphone input level
? mV
User reviews

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