Frequency Ranges; Hh 38 Wx St Specifications - Cobra 38 WX ST Operating Instructions Manual

Frequency Ranges

The COBRA HH 38 WX ST transceiver represents one
of the most advanced AM two-way radios used as a
Class D station in the Citizens Radio Service. This
unit features advanced Phase Lock Loop (PLL)
circuitry providing complete coverage of all 40 CB
channels and 10 weather channels as shown below.
CB
Channel In MHz
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
32
Channel Channel
Freq. CB Freq. Weather Freq.
Channel In MHz Channel In MHz
26.965 21 27.215 1
26.975 22 27.225 2
26.985 23 27.255 3
27.005 24 27.235 4
5
27.015 25 27.245 6
27.025 26 27.265 7
27.035 27 27.275 8
27.055 28 27.285 9
27.065 29 27.295 0
27.075 30 27.305
*Canadian
weather channels
27.085 31 27.315
are 8, 9 and 10.
27.105 32 27.325
27.115 33 27.335
27.125 34 27.345
27.135 35 27.355
27.155 36 27.365
27.165 37 27.375
27.175 38 27.385
27.185 39 27.395
27.205 40 27.405
GENERAL
CHANNELS . . . . . . . . . . . . . . . . . . CB - 40 CH
FREQUENCY RANGE . . . . . . . . . . CB - 26.965 TO 27.405 MHZ
FREQUENCY TOLERANCE . . . . . 0.005 %
FREQUENCY CONTROL . . . . . . . PLL (PHASE LOCK LOOP) SYNTHESIZER
OPERATING TEMPERATURE
RANGE . . . . . . . . . . . . . . . . . . . . . . -30° C TO + 65° C
Weather
MICROPHONE. . . . . . . . . . . . . . . . ELECTRET, PUSH-TO-TALK
INPUT VOLTAGE . . . . . . . . . . . . . 9V VDC
ANTENNA CONNECTOR . . . . . . . TYPE BNC
METER . . . . . . . . . . . . . . . . . . . . . . LCD DISPLAY, ICONS
162.550
WEIGHT . . . . . . . . . . . . . . . . . . . . . 9 oz.
162.400
162.475
TRANSMITTER
162.425
POWER OUTPUT . . . . . . . . . . . . . 4.0 W AT 13.8 VDC - HIGH, 1.0 IN LOW
MODULATION . . . . . . . . . . . . . . . AM
162.450
FREQUENCY RESPONSE . . . . . . . 300 - 3000 HZ AT -6 DB
162.500
OUTPUT IMPEDANCE . . . . . . . . . 50 OHMS, UNBALANCED
162.525
161.650
RECEIVER
161.775
CB
SENSITIVITY. . . . . . . . . . . . . . . . . . LESS THAN 1 uV FOR 10 DB S/N
163.275
IF FREQUENCY . . . . . . . . . . . . . . . DUAL CONVERSION
AUDIO OUTPUT . . . . . . . . . . . . . . 500 mW MAXIMUM AT 10 % DISTORTION
FREQUENCY RESPONSE . . . . . . . 300 - 3000 HZ AT -6 DB
2ND IF IMAGE REJECTION . . . . . GREATER THAN 60 DB
ADJACENT CH. REJECTION . . . . 50 DB MIN.
AUTOMATIC NOISE LIMITER . . . BUILT- IN
FREQUENCY CONTROL . . . . . . . PLL (PHASE LOCK LOOP)
WEATHER
SENSITIVITY. . . . . . . . . . . . . . . . . . LESS THAN 1 uV FOR 12 DB SINAD
IF FREQUENCY . . . . . . . . . . . . . . . DUAL CONVERSION
AUDIO OUTPUT . . . . . . . . . . . . . . MAXIMUM 500 mW AT 10 % DISTORTION
FREQUENCY RESPONSE . . . . . . . 300 - 3000 HZ AT -6 DB
38 WX ST Specifications
HH
WEATHER - 10 CH
WEATHER - 161.650 TO 163.275 MHZ
12 VDC, EXTERNAL
1 ST - 10.690 MHZ, 2ND - 455 KHZ
1st: -10.690 MHz
2nd: -455 KHz
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