GENERAL
Low Band Base Stations
Specifications
Mechanical Specifications, Options
Kenwood USA Corporation 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.
Frequency Range:
K1
29.7 - 37.0 MHz
K2
35.0 - 43.0 MHz
K3
40.0 - 50.0 MHz
Number of Channels, Local
160
Number of Channels, Tone Remote*
7
Number of Channels, DC Remote*
2
Channel Spacing
20 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*
25 A at 100W
Operating Temperature
-22 to +140F / -30 to +60C
Frequency Stability
+/- 0.0005%
Antenna Impedance
50
Ω
FCC ID:
K1
ALH22923110
K2
ALH22923120
K3
ALH22923130
FCC Compliance:
K1
FCC parts 22, 90
K2
FCC parts 22, 90
K3
FCC parts 15, 22, 90
IC Certification:
K1
282195519A
K2
282195532A
K3
282195520A
Options:
7-channel tone remote
2-channel tone or DC remote, 2-wire or 4-wire
Voting encoder (4-wire)
External local speaker
Battery backup
Low-voltage disconnect
Smart charger
Morse Code Identifier (CWID)
Line Disable / Intercom / Monitor functions
Rear terminal interface connection panel
Separate receiver input connector
High-power amplifiers up to 300W
Cabinet / Rack Options:
KSG 20U Cabinet (42")
KSG 40U Cabinet (77")
KSG 7' open equipment rack
External Interface:
Phone line:
RJ-11 connector
External Spkr:
Molex 19-09-1049, 4-cond
Battery Backup DC Input:
1/4”- 20
DB-25 (channel select, TX/RX audio, PTT, COR, Hook, etc.)
TX-RX Antenna:
Type N female
Optional receiver input:
BNC female
TKB-6900S
TRANSMITTER
(measurements per EIA-152C)
Sensitivity:
12 dB SINAD
0.25 µV
20 dB Quieting
0.35 µV
Selectivity
85 dB
Intermodulation Distortion
80 dB
Spurious Response
90 dB
Audio Output, local speaker
4 W at < 5% distortion
Audio Output, external speaker
13 W at < 5% distortion
Band Spread:
K1
7.3 MHz
K2
8.0 MHz
K3
10.0 MHz
RF power output, no external amplifier
45 W to 110 W
Duty Cycle, no external amplifier
20 % at 110W
RF power output with external amplifier*
100 W to 300 W
Duty Cycle with external amplifier*
100%
Emission Designator
16K0F3E
Spurious Response
80 dB
FM Hum and Noise
55 dB
Local Microphone Impedance
600
Ω
Audio Distortion
< 2% at 1000 Hz
Band Spread:
K1
7.3 MHz
K2
8.0 MHz
K3
10.0 MHz
RECEIVER
(measurements per EIA / TIA-240D)
TKB-6900S
ADS#13208 Printed in USA
JQA-QMA1205