Kenwood TKR-840 Leaflet
Specifications
Options
CL280KP-E-2(00) 991203B Printed in Japan
14-6, 1-chome, Dogenzaka, Shibuya-ku, Tokyo 150-8501, Japan
P.O. BOX 22745, 2201 East Dominguez St., Long Beach, CA 90801-5745, U.S.A.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
C
E R
T I F I E
D
* Not all accessories may be available, please contact dealers for details.
KMC-27A
Microphone (with Noise Canceling)
KMC-27B
Microphone (supplied
mobile-style hand mic. with hanger)
mobile-style hand mic. with hanger)
KMC-9C
Desktop Microphone
KES-4
External Speaker
TKR-740
TKR-840
GENERAL
R
X
X
Type 1: 146 ~ 162 MHz
Type 2: 158 ~ 174 MHz
Type 3: 136 ~ 150 MHz
Type 2: 158 ~ 174 MHz
Type 3: 136 ~ 150 MHz
R
X
X
Type 1: 450 ~ 480 MHz
Type 2: 480 ~ 512 MHz
Type 3: 400 ~ 430 MHz
Type 2: 480 ~ 512 MHz
Type 3: 400 ~ 430 MHz
Frequency Range
T
X
X
Type 1: 136 – 174 MHz
Type 2: 136 – 174 MHz
Type 3: 136 – 174 MHz
Type 2: 136 – 174 MHz
Type 3: 136 – 174 MHz
T
X
X
Type 1: 450 ~ 480 MHz
Type 2: 480 ~ 512 MHz
Type 3: 400 ~ 430 MHz
Type 2: 480 ~ 512 MHz
Type 3: 400 ~ 430 MHz
Number of Channels
32
Channel Spacing
30, 25 kHz (wide)
15, 12.5 kHz (narrow)
( PLL channel stepping 2.5 ,
5, 6.25 kHz)
( PLL channel stepping 2.5 ,
5, 6.25 kHz)
25 kHz (wide)
12.5 kHz (narrow)
( PLL channel stepping 5,
6.25 kHz)
12.5 kHz (narrow)
( PLL channel stepping 5,
6.25 kHz)
Operating Voltage
13.8 V DC
±15%
Current Drain
Standby
Receive
Transmit/Rece ive
Receive
Transmit/Rece ive
Less than 1.0 A
Less than 1.5 A
Less than 3.5 A
Less than 1.5 A
Less than 3.5 A
Duty Cycle
Receive: 100%, Transmit: 100%
Frequency Stability
±0.00015% (-22¡ F ~ +140¡ F)
Operating Temperature
Range
Range
-22
¡ F ~ +140¡ F
(-30
¡ C ~ +60¡ C)
Dimensions (W x H x D)
19 x 1-3/4 x 12 in. (483 x 44 x 305 mm)
Weight (net)
8.8 lbs. (4kg)
FCC ID
Type 1: ALH30633110
Type 2 : ALH30633120
Type 3: ALH30633130
Type 2 : ALH30633120
Type 3: ALH30633130
Type 1: ALH30643110
Type 2: ALH30643120
Type 3: ALH30643130
Type 2: ALH30643120
Type 3: ALH30643130
FCC Compliance
Type 1: 22, 74, 90
Type 2: 90
Type 3: 90
Type 2: 90
Type 3: 90
Type 1: 22, 74, 90, 95
Type 2: 90
Type 3: 90
Type 2: 90
Type 3: 90
CANADA IC (RSS119)
Type 1: 282195598A
Type 2: 282195598A
Type 3: 282195598A
Type 3: 282195598A
Type 1: 282195600A
Type 2: None
Type 3: 282195600A
Type 2: None
Type 3: 282195600A
TKR-740
TKR-840
RECEIVER (Measurements made per EIA /TIA-204-D)
Antenna Impeda nce
50
W
Sensitivity:
12 dB SINAD
20 dB quieting
20 dB quieting
0.3
µV
0.4
µV
Selectivity
95 dB at
±30 kHz (wide)
89 dB at
±15 kHz (narrow)
87 dB at
±12.5 kHz (narrow)
90 dB at
±25 kHz (wide)
82 dB at
±15 kHz (narrow)
Intermodulation
90 dB at
±30, 60 kHz (wide)
85 dB at
±15, 30 kHz
(narrow)
85 dB at
±25, 50 kHz (wide)
80 dB at
±12.5, 25 kHz
(narrow)
FM Hum & Noise
60 dB (wide)
55 dB (narrow)
Audio Output (Ext. Speaker)
4 W (at 4
W, less than 5% distortion)
Spurious & Image Rejection
100 dB
Audio Distortion (Ext.
Speaker)
Speaker)
Less than 2% at 1000 Hz
Band Spread
Type 1: 3 MHz
Type 2: 3 MHz
Type 3: 3 MHz
Type 2: 3 MHz
Type 3: 3 MHz
Type 1: 5 MHz
Type 2: 5 MHz
Type 3: 5 MHz
Type 2: 5 MHz
Type 3: 5 MHz
TKR-740
TKR-840
TRANSMITTER (Measurements made per EIA-152-C)
RF Power Output
5 W adjustable to 0.1 watts
Antenna Impedance
50
W
Type of Emission
16KØF3E (wide)
11KØF3E (narrow)
Spurious & Response
70 dB
70 dB (60 dB at 100 mW)
FM Hum & Noise
55 dB (wide)
50 dB (narrow)
Microphone Impedance
600
W
Audio Distortion
Less than 0.5% at 1000 Hz
Less than 1% at 1000 Hz
Band Spread
Type 1: 38 MHz
Type 2: 38 MHz
Type 3: 38 MHz
Type 2: 38 MHz
Type 3: 38 MHz
Type 1: 30 MHz
Type 2: 32 MHz
Type 3: 30 MHz
Type 2: 32 MHz
Type 3: 30 MHz
TKR-740
TKR-840
REPEATER CONTROL (Measurements made per TIA/EIA-603)
Signaling (simultaneously)
Maximum number of
tones
tones
16
QT decoder/encoder
Tone frequency
Response time
Squelch tail elimination
time
Encoder frequency error
Sensitivity
Response time
Squelch tail elimination
time
Encoder frequency error
Sensitivity
67.0-210.7Hz (0.1 Hz step)
250 ms or less
140 to 200 ms
±0.3% or less
SINAD 8 dB or less
DQT decoder/ encoder
DQT code
Decoder response time
Turn-off code
transmission time
Sensitivity
Turn-off code
transmission time
Sensitivity
23 bits total: a 3-digit octal number (0 -7,12 bits) with error
correction (11 bits)
250 ms or less
140 to 200 ms
140 to 200 ms
SINAD 8 dB or less
Time-out timer
Off - 30 min.
Repeater hold time
Off - 10 sec.
TKR-740
TKR-840
EXTERNAL CONTROL
CW ID
Maximum modulation
CW tone frequency
Morse code speed
Maximum character
memory
CW tone frequency
Morse code speed
Maximum character
memory
Maximum deviation of 40%
±10%
400 Hz to 2000 Hz, (default 800 Hz)
5 to 30 word per minute, (default 20 WPM)
Up to 20 characters
CW Massage
Maximum character
Number of bank
Number of bank
Up to 20 characters per bank
8 banks
Test tone
Maximum modulation
Test tone frequency
Test tone frequency
Maximum deviation of 60%
300 Hz to 3000 Hz (default 1000 Hz)
Voting pilot tone
Tone frequency
Output level (RA terminal)
Output level (RA terminal)
1950 Hz, 2175 Hz, 2700 Hz, (default 1950 Hz)
400 mVrms at 1950 Hz
Kenwood follows a policy of continuous advancement in development.
For this reason specifications may be changed without notice.
For this reason specifications may be changed without notice.
This has been printed on recycled paper.
TKR740_US.QXD 12/2/99 10:28 AM Page 2