WISCO International (Kenwood- TKR-750 / 850 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 µV 0.45 µV
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	16KøF3E 11KøF3E
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)