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	Channel	Channel Frequency
		in MHz		in MHz
1		26.965	21	27.215
2		26.975	22	27.225
3		26.985	23	27.255
4		27.005	24	27.235
	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
10		27.075	30	27.305
11		27.085	31	27.315
12		27.105	32	27.325
13		27.115	33	27.335
14		27.125	34	27.345
	15	27.135	35	27.355
16		27.155	36	27.365
17		27.165	37	27.375
18		27.175	38	27.385
19		27.185	39	27.395
20		27.205	40	27.405

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.

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 5/8Ó D x 79/32Ó W x 2 13/64Ó 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-
(Not Supplied)	ed.

(SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE)

29 WX ST specifications

Cobra Electronics has long been a trusted name in the world of communication technologies, particularly in the realm of CB radios. One of its standout models, the Cobra 29 WX ST, exemplifies the brand’s commitment to quality and innovation. This classic 29-channel CB radio is designed for both professional and recreational users, providing reliable communication in various environments.

One of the most notable features of the Cobra 29 WX ST is its 40-channel capability, which ensures broader communication options. It also comes equipped with NOAA weather channels, allowing users to receive real-time weather updates and alerts. This feature is especially critical for those who use CB radios in outdoor settings, such as trucking and off-road driving, where weather conditions can rapidly change.

The Cobra 29 WX ST incorporates advanced sound technology, including a full-range speaker, which enhances audio clarity. The radio is designed to minimize noise interference, making it easier to hear incoming communications even in loud environments. The unit also features an easy-to-read display with a 4-color backlight for enhanced visibility, making it convenient to use at night or in low-light conditions.

For added versatility, the Cobra 29 WX ST includes a noise-canceling microphone that filters out background noise, allowing for clearer voice transmission. This technology is crucial for ensuring that communication is effective, especially in noisy surroundings such as highways or construction sites.

The radio also boasts a compact design, making it suitable for mounting in various vehicles without consuming excessive space. Its rugged construction ensures durability in demanding environments, further solidifying its suitability for professional use, including trucking and emergency services.

Additionally, the Cobra 29 WX ST supports PA capabilities, which can be particularly useful for emergency announcements or communicating with groups outside the vehicle. The unit features adjustable power settings, allowing users to choose between low and high power for optimized communication range.

Overall, the Cobra 29 WX ST is a feature-rich CB radio that balances durability, functionality, and advanced technology. Whether you are a long-haul trucker, a recreational off-roader, or someone in need of reliable communication, the Cobra 29 WX ST delivers performance that meets a wide range of needs. With its impressive set of features and user-friendly design, it remains a preferred choice for those seeking a dependable communication tool in any situation.

Cobra Electronics 29 WX ST operating instructions Specifications, Channel Channel Frequency MHz

Models: 29 WX ST

Specifications

FREQUENCY RANGE

Channel

Channel Frequency

in MHz

GENERAL

TRANSMITTER

RECEIVER

PA SYSTEM

29 WX ST specifications