WISCO International (Kenwood TK-2140/3140 Specifications)

General	TK-2140	TK-3140
Frequency Range Type 1: Type 2: Type 3:	136-174 MHz	450 ~ 490 MHz 470 ~ 512 MHz 400 ~ 430 MHz
Systems (Trunked mode)	Max. 32
Groups (Trunked mode)	Max. 250
Channel spacing Trunked/Conventional format	Max. 600/Max. 250
Channel Spacing Wide/Narrow	25, 30 kHz /12.5, 15 kHz	25 kHz /12.5 kHz
Channel step	2.5, 3.75, 5, 6.25, 7.5 kHz	5, 6.25 kHz
Operating voltage	7.5 V DC �20%
Battery life (5-5-90), during hi-power KNB-24L KNB-25A KNB-26N	Approx. 9 hours Approx. 8 hours Approx. 12 hours
Operating temperature range	-22�F ~+ 140� (-30�C ~ +60� C) -14�F ~+ 140� (-10�C ~ +60� C) (when KNB-24L / 26N in use)
Frequency stability	�0.00025 %(-22�F ~ +140�F)
Antenna Impedance	50 W
Channel Frequency Spread Type 1: Type 2: Type 3:	26 MHz	40 MHz 42 MHz 30 MHz
Dimensions (W x H x D) Radio only KNB-24L KNB-25A KNB-26N	2 7/32 x 4 1/8 x 7/8 in.(56 x 105 x 21.9 mm) 2 7/32 x 4 1/8 x 1 5/32 in.(56 x 105 x 29.5 mm) 2 7/32 x 4 1/8 x 1 3/8 in.(56 x 105 x 35.7 mm) 2 7/32 x 4 1/8 x 1 3/8 in.(56 x 105 x 35.7 mm)
Weight (net) Radio only KNB-24L KNB-25A KNB-26N	5.99 oz (170 g) antenna and belt hook 10.58 oz (300 g) antenna and belt hook 12.7 oz (360 g) antenna and belt hook 14.46 oz (410 g) antenna and belt hook
FCC ID Type 1:	ALH32253110
FCC compliance Type 1:	parts 22, 74, 90,	parts 22, 74, 90, 95
IC certification	282196842A	282196837A

RECEIVER (EIA/TIA-204D)	TK-2140	TK-3140
Sensitivity (12 dB SINAD) Wide / Narrow	0.25�V / 0.28 �V
Selectivity Wide / Narrow	70 dB / 65 dB	70 dB / 65 dB
Intermodulation distortion Wide / Narrow	70 dB /65 dB	70 dB /62 dB
Spurious response	70 dB
Audio output	4 W With less than 5% distortion