WISCO International

Kenwood

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Specifications

General

TKR-750

TKR-850

Frequency Range MHz
  Type 1
  Type 2

148~174


450~480 MHz
480~512 MHz

Number of Channels

16

Channel Spacing
Wide
Narrow
(PLL channel stepping)

30,25 kHz
15,12,5 kHz
(2.5, 5, 6.25, 7.5 kHz)

25 kHz,
12.5 kHz
( 5, 6.25 kHz

Operating voltage

13.4V DC �15%

Current Drain
  Standby
  Standby
(w/power save)
  Receive
  Transmit

0.8 A
  0.3 A
Operating mode: DC-IN: Backup, FAN: Temp, SAVE: On, DISP: Off
1.2 A
Less than 13 A

Duty Cycle

Receive:100 %, Transmit: 100 % at 25 watts

Frequency stability �0.0002%
(-22�F ~ +140� F)

�0.00015%
(-22�F ~ +140� F)

Operating temperature range

-22�F ~+ 140� F
(-30�C ~ +60� C)

Dimensions (W x H x D)

19 x 3-1/2 x 13-1/3in.
(483 x 88 x 340 mm)

Weight (net)

21.4 lbs (9.7kg)

FCC ID
  Type 1
  Type 2


ALH31103110
ALH31103120

ALH31113110
ALH31113120

FCC compliance
  Type 1
  Type 2


22, 74, 90
90, 90, 210


22, 74, 90, 95
90, 90, 210

CANADA IC (RSS119)
Type 1:
Type 2:


282195726A
282195742A


282195725A

RECEIVER (Measurements made per EIA/TIA-204D)
Antenna Impedance

50 W

Sensitivity
   12 dB SINAD)
   20 dB Quieting

0.35 �V
0.45 �V

Selectivity
   Wide
   Narrow

85 dB at �30 kHz
80 dB at �15 kHz
77 dB at �12.5 kHz

83 dB at �25 kHz
75 dB at �12.5 kHz
Intermodulation distortion
   Wide
   Narrow

80 dB at �30,60 kHz
75 dB at �15,30 kHz

78 dB at �25,50 kHz
75 dB at �12.5,25 kHz
FM hum and noise
   Wide
   Narrow

50 dB
45 dB

Audio output (Ext. Speaker) 4 W at W with less than 5% distortion
Spurious and Image Rejection 90dB
Audio Distortion (Ext. Speaker) Less than 2.5% at 1000 Hz
Band spread
   Type 1
   Type 2

3 MHz
3 MHz

5 MHz
TRANSMITTER (Measurements made per EIA-152C)
RF power output

50 W adjustable to 25 W
(100% duty at 25W)

40 W adjustable to 25 W
(100% duty at 25W)

Antenna Impedance

50 W

Type of emission
   Wide
   Narrow

16K�F3E
11K�F3E

Spurious response
Harmonics
Others

80 dB
80 dB

80 dB
75 dB

FM hum and noise
   Wide
   Narrow

50 dB
45 dB

Microphone impedance

600 W

Audio distortion

Less than 3 % at 1000 Hz

Band spread
   Type 1
   Type 2
28 MHz
14 MHz
30 MHz
32 MHz
REPEATER CONTROL (Measurements made per TIA/EIA-603)
Signaling (simultaneously)
Maximum Number of Tones
16
QT Decoder/Encoder
     Tone frequency
     Decoder 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 8dB or less
DQT Decoder/Encoder
       DQT code

       Decoder response time
       Turn-off code transmission
       time
       Sensitivity
23 bits total: a 3 digit octal number (0~7, 12 bits)
with error correction (11 bits)
250ms or less
140 to 200 ms

SINAD 8dB or less
Time-out Timer Off to 30 min
Repeat Hold Time Off to 10 sec
EXTERNAL CONTROL
CWID
        Maximum modulation
        CW tone frequency
        Morse code speed
        Maximum character
        memory
Maximum deviation of 40%�10%
400Hz to 2000Hz, (default 800Hz)
5 to 30 word per minutes, (default 20WPM)
Up to 32 characters (include space)
CW Message
      Maximum character
      Number of banks
Up to 32 characters per bank (include space)
8 banks
Test Tone
       Maximum modulation
       Test tone frequency
Maximum deviation of 60%
300Hz to 3000Hz (default 1000Hz)
.
WISCO International, Inc. - MIAMI, FL U.S.A.
Fax: (954) 370-3997 | E-mail: wiscointl@wiscointl.com

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