WISCO International Kenwood

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Specifications

General

TK-480

TK-481

Frequency Range Rx: 851~ 870 MHz
Tx: 806 ~ 825 MHz
      851~ 870 MHz
      (Talk Around)
Rx: 935 ~ 870 MHz
Tx: 806 ~ 825 MHz
      851 ~ 870 MHz
      (Talk Around)
System Max. 32
Group Max. 250 per system
Channel Capacity (conventional)

Max. 600

PLL channel spacing
(PLL step: 12.5 kHz)
25 kHz 12.5 kHz
Battery voltage 7.5 V. DC � 20 %
Battery life
   KNB-16A
   KNB-17A
   KNB-21N
   KNB-22N


8 hours
10 hours
10.5 hours
13 hours

Operating temperature range

-22�F ~+ 140� F (-30� C ~ +60� C)

Frequency stability (-22�F ~+ 140�F)

� 0.00025 %

� 0.00015 %

Dimensions (W x H x D)

2-5/16 x 5-5/16 x 1-5/16 in. (58 x 135 x 34 mm)
with KNB-21N battery)

Weight (net)

17.3 oz (490 g) with KNB-21N battery, antenna and belt hook

FCC ID

ALH22961110

ALH22992110

FCC compliance

Part 90

IC certification 282195282 282195286
RECEIVER EIA/TIA-603

TK-480

TK-481

RF input impedance

50 W

Sensitivity* (12 dB SINAD)

0.30 �V

Selectivity*

70 dB: �25 kHz

63 dB: �12.5 kHz
Intermodulation distortion 65 dB: �25/50 kHz 60 dB: �12.5/25 kHz
Spurious & Image rejection

70 dB (except 1/2 IF)

Audio output

500 mW at 16W with less than 5% distortion

Channel frequency spread

19 MHz

6 MHz
TRANSMITTER TIA/EIA-603
RF power output: HI / LO

HI: 2.5 W, LO: 1W

RF output impedance 50 W
Spurious & harmonics

60 dB

Modulation

16K�F3E

11K�F3E

FM noise

45 dB

40 dB
Audio distortion

Less than 5%

Channel frequency spread 64 MHz 45 MHz

Standard MIL 810C
Methods/Procedures
MIL 810D
Methods/Procedures
MIL 810E
Methods/Procedures
Low Pressure 500.1/Procedure I 500.2/Procedure I 500.3/Procedure I
High Temperature 501 .I/Procedure I, II 501.2/Procedure I, II 501.3/Procedure I, II
Low Temperature 502.I/Procedure I 502.2/Procedure I, II 502.3/Procedure I, II
Temperature Shock 503.1/Procedure I 503.2/Procedure I 503.3/Procedure I
Solar Radiation 505. I/Procedure I 505.2/Procedure I 505.3/Procedure I
Rain 506.1/Procedure I, II 506.2/Procedure I, II 506.3/Procedure I, II
Humidity 507.I/Procedure II 507.2/Procedure II 507.3/Procedure II
Salt Fog 509.I/Procedure I 509.2/Procedure I 509.3/Procedure I
Dust 510.I/Procedure I 510.2/Procedure I 510.3/Procedure I
Vibration 514.2/Procedure VIII,X 514.3/Procedure I 514.4/Procedure I
Shock 516.2/Procedure I, II, X 516.3/Procedure I, IV 516.4/Procedure I, IV
WISCO International, Inc. - MIAMI, FL U.S.A.
Fax: (954) 370-3997 | E-mail: wiscointl@wiscointl.com

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