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Specifications – Kenwood TKR-740 User Manual

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Kenwood USA Corp. is committed to a policy of constant improvement in features, quality and performance. To accommodate these improvements, all technical information and specifications are
subject to change without notice. Custom options and configurations are available, if needed. For more information, call 1-800-TRUNKING.

ADS#07005 Printed in USA

JQA-QMA1205

GENERAL

Low Band Base Stations

Specifications

Model

TKR-7400S

TKR-7500S

TKR-8400S

TKR-8500S

Frequency Range:

K1

146 - 162 MHz

146 - 174 MHz

450 - 480 MHz

450 - 480 MHz

K2

158 - 174 MHz

136 - 150 MHz

480 - 512 MHz

480 - 512 MHz

K3

136 - 150 MHz

n/a

400 - 430 MHz

n/a

Number of Channels

1

Channel Spacing:

Wideband

30, 25 kHz

30, 25 kHz

25 kHz

25 kHz

Narrowband

15, 12.5 kHz

15, 12.5 kHz

12.5 kHz

12.5 kHz

PLL Channel Step

2.5, 5, 6.25 kHz 2.5, 5, 6.25, 7.5 kHz

5, 6.25 kHz

5, 6.25 kHz

Operating Voltage

115 / 230 VAC, 47-63 Hz

Backup DC Voltage

13.4 VDC

DC current requirement, standby

< 2.5 A*

DC current requirement, transmit

<20 A at 110W

<25 A at 110W

<20 A at 100W

<25 A at 100W

Operating Temperature

-22 to +140F / -30 to +60C

Frequency Stability

+/- 0.00015%

+/- 0.0002%

+/- 0.00015%

+/- 0.00015%

Antenna Impedance

50

FCC ID:

K1

ALH30633110

ALH31103110

ALH30643110

ALH31113110

K2

ALH30633120

ALH31103120

ALH30643120

ALH31113120

K3

ALH30633130

n/a

ALH30643120

n/a

FCC Compliance:

K1

FCC parts 22, 74, 90 FCC parts 22, 74, 90 FCC parts 22, 74, 90, 95 FCC parts 22, 74, 90, 95

K2

FCC parts 22, 74, 90 FCC parts 90, 90.210

FCC part 90 FCC parts 90, 90.210

K3

FCC parts 22, 74, 90

n/a

FCC part 90

n/a

IC Certification:

K1

282195598A

282195726A

282195600A

282195725A

K2

282195598A

282195742A

n/a

n/a

K3

282195598A

n/a

282195600A

n/a

RECEIVER

TKR-7400S

TKR-7500S

TKR-8400S

TKR-8500S

Sensitivity:

12 dB SINAD

0.30 µV

0.35 µV

0.30 µV

0.35 µV

20 dB Quieting

0.40 µV

0.45 µV

0.40 µV

0.45 µV

Selectivity

Wideband (+/- 30 kHz)

95 dB

85 dB

n/a

n/a

Wideband (+/- 25 kHz)

n/a

n/a

90 dB

83 dB

Narrowband (+/- 15 kHz)

89 dB

80 dB

n/a

n/a

Narrowband (+/- 12.5 kHz)

87 dB

77 dB

80 dB

75 dB

Intermodulation Distortion

Wideband (+/- 30, 60 kHz)

90 dB

80 dB

n/a

n/a

Wideband (+/- 25, 50 kHz)

n/a

n/a

85 dB

78 dB

Narrowband (+/- 15, 30 kHz)

85 dB

75 dB

n/a

n/a

Narrowband (+/- 12.5, 25 kHz)

n/a

n/a

80 dB

75 dB

Spurious & Image Rejection

100 dB

90 dB

100 dB

90 dB

FM Hum & Noise:

Wideband

60 dB

50 dB

60 dB

50 dB

Narrowband

55 dB

45 dB

55 dB

45 dB

Audio Output, local speaker

4 W at < 2% distortion 4 W at < 5% distortion 4 W at < 2% distortion 4 W at < 5% distortion

Band Spread:

K1

3 MHz

3 MHz

5 MHz

5 MHz

K2

3 MHz

3 MHz

5 MHz

5 MHz

K3

3 MHz

n/a

5 MHz

n/a

Measurement Compliance

EIA / TIA-204D

TIA / EIA-603

EIA / TIA-204D

TIA / EIA-603

TRANSMITTER

TKR-7400S

TKR-7500S

TKR-8400S

TKR-8500S

RF Power Output, no external amplifier

0.1 W to 5 W

15 W to 50 W

0.1 W to 5 W

15 W to 40 W

Duty Cycle, no external amplifier

100%

100% at 25 W

100%

100% at 25 W

RF Power Output with external amplifier*

40 W to 300 W*

40 W to 300 W* 40 W to 250 W* 40 W to 250 W*

Duty Cycle with external amplifier

100%

Emission Designator:

Wideband Voice

16K0F3E

16K0F3E

16K0F3E

16K0F3E

Wideband Data (POCSAG)

16K0F1D

n/a

16K0F1D

n/a

Narrowband Voice

11K0F3E

11K0F3E

11K0F3E

11K0F3E

Narrowband Data (POCSAG)

11K0F1D

n/a

11K0F1D

n/a

Spurious Response

70 dB

80 dB

70 dB

80 dB

FM Hum and Noise:

Wideband

55 dB

50 dB

55 dB

50 dB

Narrowband

50 dB

45 dB

50 dB

45 dB

Local Microphone Impedance

600

Audio Distortion

< 0.5% at 1000 Hz < 3% at 1000 Hz < 0.5% at 1000 Hz < 3% at 1000 Hz

Band Spread:

K1

38 MHz

28 MHz

30 MHz

30 MHz

K2

38 MHz

14 MHz

32 MHz

32 MHz

K3

38 MHz

n/a

30 MHz

n/a

Measurement Compliance

EIA-152C

TIA / EIA-603

EIA-152C

TIA / EIA-603

CONTROLLER COMPATIBILITY

TKR-7400S

TKR-7500S

TKR-8400S

TKR-8500S

LTR

Yes

Yes

Yes

Yes

PassPort

Yes

No

Yes

No

LTR-Net

Yes

Yes

Yes

Yes

MPT-1327

Yes

Yes

Yes

Yes

*Depends on configuration and equipment options.

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