Kenwood TM-521A User Manual

2. SPECIFICATIONS AND ACCESSORIES
2-1. SPECIFICATIONS
| TM-221A | TM-221ES | TM-321A) TM-421A | TM-421ES | TM-521A | TM-521E
Specifications
Frequency range 148 Mic | 146. Mie | 226 Miz | sao teaao min | 1240 to 1300 MHz
Mode F3E (FM)
Antenna impedance 50 ohms
Operating temperature —20°C to +60°C (—4°F to +140°F)
Power requirement 13.8 VDC +15%
Grounding Negative
4 anata meds 9.5 A 6.5A 8.5 A 5.5 A
& | Current | (Max.)
© | drain i i
oo. 04 08
Frequency stability Better than + 10x 107° Better than +3 x 107%
Wide 141 mm (5-9/16")
Dimensions High 42 mm (1-21/32”)
Deep 193 mm (7-19/32”)
Weight 1.2 kg (2.65 Ibs)
HI 45 W 25w_ | 35 W 10 W
*OQutput power Approx. 5 Ww. Approx. 5 W. Approx. 1 W.
" LOW Beene up to out Adjustable up to out 20 W. ncaa! up to out
4 Modulation Reactance modulation
2 | Spurious radiation Less than —60 dB Less than —50 dB
E Max. frequency deviation +5 kHz
Audio distortion (at 60% Less than 3%
modulation)
Microphone impedance 500 to 600 ohms
Circuitry Double conversion superheterodyne
Intermediate 1st 10.695 MHz} 10.7 MHz 30.825 MHz] 21.6 MHz 59.7 MHz
frequency 2nd 455 kHz
5 |_Sensitivity(12 dB SINAD) Less than 0.16 nV
z _ —6 dB More than 12 kHz
& Selectivity —60 dB Less than 26 kHz Less than 36 kHz
Spurious response | Better than 70 dB Better than 65 dB Better than 40 dB
Squelch sensitivity Less than 0.1 pV
Output (5% distortion) More than 2 W across 8 ohms load
External speaker impedance 8 ohms
Notes:
1. Circuit and ratings are subject to change without 2. * : Recommended duty cycle:
notice due to advancements in technology. 1 minute : Transmission
3 minutes : Reception
4

Kenwood TM-521A Specifications

General

Brand	Kenwood
Model	TM-521A
Category	Transceiver
Language	English