Cobra Electronics 18 WXST II - Manual (Page 19)

19
Specifications
Specifications
GENERAL
CHANNELS . . . . . . . . . . . . . . . . . . . . . . . . CB - 40 CH
WEATHER – 10CH
FREQUENCY RANGE. . . . . . . . . . . . . . . . CB - 26.965 TO 27.405 MHZ
WEATHER – 161.650 TO 163.275
FREQUENCY TOLERANCE . . . . . . . . . . . 0.005 %
FREQUENCY CONTROL . . . . . . . . . . . . PLL (PHASE LOCK LOOP) SYNTHESIZER
OPERATING TEMPERATURE
RANGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30° C TO + 65° C
MICROPHONE . . . . . . . . . . . . . . . . . . . . . PLUG-IN DYNAMIC
INPUT VOLTAGE . . . . . . . . . . . . . . . . . . . 13.8VDC nom. (negative ground)
CURRENT DRAIN
TRANSMIT: AM FULL MOD., 1.4A (MAXIMUM)
RECEIVE: SQUELCHED, 0.9 A;
FULL AUDIO OUTPUT, 1.2A (NOMINAL)
SIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7/8” D X 6-3/4” W X 1-7/8” H
WEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.25 LBS.
ANTENNA CONNECTOR . . . . . . . . . . . .UHF; SO-239
METER . . . . . . . . . . . . . . . . . . . . . . . . . . . . .LED; INDICATES RELATIVE POWER
OUTPUT AND RECEIVED SIGNAL STRENGTH
TRANSMITTER
POWER OUTPUT . . . . . . . . . . . . . . . . . . .4 WATTS
MODULATION . . . . . . . . . . . . . . . . . . . . .AM (AMPLITUDE MODULATION)
FREQUENCY RESPONSE . . . . . . . . . . . .300 TO 3000 HZ
OUTPUT IMPEDANCE . . . . . . . . . . . . . . .50 OHMS, UNBALANCED
RECEIVER
SENSITIVITY . . . . . . . . . . . . . . . . . . . . . . . .LESS THAN 1 µV FOR 10dB (S+N)
SELECTIVITY . . . . . . . . . . . . . . . . . . . . . . .6 dB @ 7 KHZ, 60 DB @ 10KHZ
IMAGE REJECTION . . . . . . . . . . . . . . . . . .60 dB, TYPICAL
ADJACENT-CHANNEL REJECTION . . .50 dB, TYPICAL
ATOMATIC NOISE LIMITER . . . . . . . . . .BUILT-IN
WEATHER
SENSITIVITY . . . . . . . . . . . . . . . . . . . . . . . .LESS THAN 1 µV FOR 12 dB SINAD
IF-FREQUENCY . . . . . . . . . . . . . . . . . . . . .DUAL CONVERSION
AUDIO OUTPUT . . . . . . . . . . . . . . . . . . . .MAXIMUM 1 W AT 10% DISTORTION
FREQUENCY RESPONSE . . . . . . . . . . . .300 – 3000 HZ AT -6 dB