Specifications – Kenwood TKR-740 User Manual
Page 2
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
50Ω
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
600Ω
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.