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Specifications (cont.)
GENERAL
Channels 40
Frequency Range 26.965 to 27.405 MHz.
Frequency Control Phase Lock Loop (PLL) synthesizer.
Frequency Tolerance 0.005%.
Operating Temperature Range -30¡ C to + 50¡ C.
Microphone Plug-in dynamic.
Input Voltage 13.8VDC nom.(positive or negative ground).
Current Drain Transmit: AM full mod., 1.5A (maximum)
Receive: Squelched, 0.3A; full audio output, 1.2A
(nominal).
Size 8
5
/
8
Ó D x 7
9
/
32
Ó W x 2
13
/
64
Ó H .
Weight 4 lbs.
Antenna Connector UHF, SO-239.
Semiconductors 26 transistors, 26 diodes, 4 integrated circuits.
Meter Illuminated; 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)/N.
Selectivity 6dB @ 7 KHz, 60 dB @ 10 KHz.
Image Rejection 80 dB, typical.
Adjacent-Channel Rejection 60 dB, typical.
IF Frequencies Double Conversion: 1st: 10.695 MHz.
2nd: 455 KHz.
Automatic Gain Control (AGC) Less than 10 dB change in audio output for inputs
from 10 to 50,000 microvolts.
RF Gain Control Adjustable for optimum signal reception.
Noise Blanker RF type.
Squelch Adjustable; threshold less than 1µV.
Audio Output Power 4 watts.
Frequency Response 300 to 3000 Hz.
Distortion Less than 7% @ 3 watts @ 1000 Hz.
Built-in Speaker 16 ohms, round.
External Speaker (Not Supplied) 8 ohms; disables internal speaker when connected.
PA SYSTEM
Power Output 4 watts into external speaker.
External Speaker for PA 8 ohms, when PA-CB switch is in PA, the PA speak-
er also monitors the receiver; separate jack provid-
ed.
(SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE)
(Not Supplied)
3
Channel Channel Frequency
in MHz
21 27.215
22 27.225
23 27.255
24 27.235
25 27.245
26 27.265
27 27.275
28 27.285
29 27.295
30 27.305
31 27.315
32 27.325
33 27.335
34 27.345
35 27.355
36 27.365
37 27.375
38 27.385
39 27.395
40 27.405
Specifications
FREQUENCY RANGE
The COBRA 29 WX ST transceiver represents one of the most advanced AM
two-way radios ever designed for use 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 channels as shown below.
Channel Channel Frequency
in MHz
1 26.965
2 26.975
3 26.985
4 27.005
5 27.015
6 27.025
7 27.035
8 27.055
9 27.065
10 27.075
11 27.085
12 27.105
13 27.115
14 27.125
15 27.135
16 27.155
17 27.165
18 27.175
19 27.185
20 27.205
The COBRA 29 WX ST has a vastly superior receiver which includes noise blanker
circuitry and an automatic noise limiter. The receiver also features increased
protection against cross modulation and strong adjacent channel signals.
To obtain maximum performance please read carefully the descriptions and
operating instructions in this manual. Fill out below; keep for your records.
Serial No.
Date of Purchase
Dealer Name
Keep this manual for detailed information about your Cobra CB radio.
SAVE YOUR SALES RECEIPT, CARTON AND PACKING FOR POSSIBLE
FUTURE USE.
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