Kenwood TM-431E - Manual (Page 5)

2. SPECIFICATIONS AND ACCESSORIES
2-1. SPECIFICATIONS
Models
Specifications
TM-231A TM-231E TM-331A
TM-431A
(U.S.A. version) TM-431A/431E
TM-531A TM-531E
(0
0)
c
0)
0
Frequency range [MHz] 144 to 148 144 to 146 220 to 225 438 to 450 430 to 440 1240 to 1300
Mode F3E (FM)
Antenna impedance 50Q
Power requirements 13.8 VDC ±15% (11.7 to 15.8)
Ground Negative
Frequency stability Less than ±10 ppm Less than ± 3 ppm
Current
drain
Transmit mode Less than 11 A |Less than 6.5 A| Less than 9.5 A Less than 5.5 A
Receiver mode with no signal Less than 0.6 A
Operating temperature -20 °C to -1-60 °C (-4 °F to -1-140 °F)
Dimensions (WxHxD) [mm]
(Projection included)
140
X
40
X
160 (5-1 /2 ’
X
1 -37/64 '
X
6-19/64 ' )
(141 x42x 171 (5-9/16* x 1-21/32* x6-47/64*))
Weight [kg] 1.2 (2.65 lbs)
w
0)
E
w
c
CD
1-
Output
power*
HI 50 W 25 W 35 W low
MID 10 W 10 W 10 W —
LOW Approx. 5 W Approx. 5 W Approx. 5 W 1 W
Modulation Reactance modulation
Spurious radiation Less than - 60 dB | Less than - 50 dB
Maximum frequency deviation ±5 kHz
Audio distortion (at 60% modulation) Less than 3% (300 to 3000 Hz)
Microphone impedance 500 to 600 0
W
0>
>
u
o
oc
Circuitry Double conversion superheterodyne
Intermediate frequency 1st/2nd 10.7 MHz/455 kHz | 30.825 MHz/455 kHz | 59.7 MHz/455 kHz
Sensitivity (12 dB SINAD) Less than 0.16 /tV
Selec-
tivity
-6 dB More than 12 kHz
-60dB Less than 24 kHz | Less than 36 kHz
Squelch sensitivity Less than 0.1 /tV
Output (5% distortion) More than 2 W across 8 Q loads
External speaker impedance 8 0
Notes:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1. Circuit and ratings are subject to change without notice due to advancements in technology.
2. * Recommended duty cycle: 1 minute Transmit, 3 minutes Reception.