Q1: Why is dual-mode AM/FM important in a CB radio?

A1: Dual-mode allows communication in both AM and FM bands, which is important because AM and FM have different propagation characteristics. AM may travel further under certain conditions while FM generally offers clearer audio. This flexibility ensures better communication depending on terrain, distance, and interference.

Q2: What is SWR and why does this radio offer SWR calibration?

A2: SWR stands for Standing Wave Ratio — a measure of how well the antenna is matched to the radio. A good SWR ensures efficient power transfer and clear signals. The cobra 29 LTD offers SWR calibration so users can adjust antenna tuning if conditions change (e.g. after antenna bump), which helps avoid signal loss or damage to the radio.

Q3: How does adjustable receiver sensitivity (RF Gain) help in real-world use?

A3: Adjustable receiver sensitivity or RF Gain lets you tune how sensitive the radio is to incoming signals. By lowering sensitivity, you can reduce background static and noise when nearby interference is present; by increasing it, you can catch weaker signals in remote areas — thus enhancing clarity and reliability.

Cobra 29 LTD Classic AM/FM Professional CB Radio - Easy to Operate, Emergency Radio, Instant Channel 9, 4-Watt Output, Full 40 Channels, Adjustable Receiver and SWR Calibration, Black

Key Specifications

Product Dimensions

9.25"D x 7.25"W x 2.25"H

Voltage

12 Volts (DC)

Number of Channels

Talking Range Maximum

20 Mile

Water Resistance Level

Not Water Resistant

Special Feature

Dual-Mode AM/FM

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COBRA

4.6

1387 reviews

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Cobra 29 LTD Classic AM/FM Professional CB Radio - Easy to Operate, Emergency Radio, Instant Channel 9, 4-Watt Output, Full 40 Channels, Adjustable Receiver and SWR Calibration, Black

Name: Cobra 29 LTD Classic AM/FM Professional CB Radio - Easy to Operate, Emergency Radio, Instant Channel 9, 4-Watt Output, Full 40 Channels, Adjustable Receiver and SWR Calibration, Black
Brand: COBRA
SKU: B0BVGTZCLB
Price: 119.99 USD
Availability: InStock
Rating: 4.6 (1387 reviews)

The Cobra 29 LTD Classic CB Radio is a fixed-mount CB (Citizens Band) transceiver designed for use in vehicles, especially for long-haul driving, trucking, or group travel. It offers 40 CB radio channels, 4 watts of transmission power, and dual-mode AM/FM functionality, aiming to deliver reliable, clear radio communication on the road. Its ergonomic design, adjustable settings, and classic build reflect over 50 years of the brand’s experience in professional CB radios.

Free Shipping

2-Year Warranty

30-Day Returns

Key Features

Classic CB Design – Cobra’s classic CB radio has been the standard of excellence in professional CB radios for over 50 years. This radio is durable, reliable, and full-featured with 4 watts of power and access to all 40 CB channels.

Dual-Mode AM/FM – Efficient communication while on the road just got easier. This CB radio provides access to both AM and FM channels, allowing communication with more users, long range or near, and with better sound quality.

Easy to Operate - Ergonomic design with intuitive controls make this radio easy to operate. The included 9-foot microphone cable makes it simple to speak into and reach regardless of vehicle size and results in less clutter vs storing a longer cable.

Instant Access to Channel 9 – CB radios provide reliable communication which is not dependent on satellites and cellular networks. Get access to all 40 CB radio channels and instantly access emergency channel 9 to get updates from law enforcement.

SWR Antenna Calibration – If your CB antenna is hit with tree branches or other items, adjust and calibrate SWR meter for optimum antenna performance and get notified when your SWR antenna needs to be checked with the illuminated indicator.

Available Colors

Chrome

+ more

Key Considerations

Power Output & Channel Access — Power determines how far your transmission can travel; number of available channels affects flexibility in communication.

Modulation Mode (AM/FM) — Whether the radio supports different modes: AM and FM have different propagation characteristics, noise performance, and compatibility with other radios.

Receiver Sensitivity & Noise Control — Ability to receive weak signals, filter out noise and static, and adjust sensitivity for clear reception.

Antenna Compatibility & Calibration Ability — Performance depends heavily on the antenna: ability to calibrate antenna (e.g. SWR tuning) enhances signal clarity and avoids damage.

Ease of Use / Ergonomics — Controls, microphone length, installation ease — important if you drive, travel, or change vehicles.

Power output (4 watts in this radio) and access to all 40 CB channels are fundamental — they define the core capability. Higher power can transmit further and overcome obstructions; more channels give flexibility to avoid interference or overcrowding. For group comms (like convoys or fleets), full channel coverage is essential.

These factors represent the most critical aspects that will impact your satisfaction with this product.

Customer Reviews

Works as it should

2025-12-09T00:07:45.620Z

Classic Cobra radio. Been around for decades. Works as it should.

Honestly

Perfect CB Radio for My Husband the Truck Driver!

2025-12-09T00:07:59.804Z

Got this for my husband who’s a long-haul truck driver, and he absolutely loves it! The Cobra 29 LTD Chrome has been a game-changer for him on the road.

Ella

Frequently Asked Questions

Final Verdict

The Cobra 29 LTD Classic AM/FM Professional CB Radio is a well-rounded, feature-rich CB radio that combines classic reliability with modern flexibility. With 4 W power, full 40-channel access, dual-mode AM/FM, adjustable receiver sensitivity, and SWR antenna calibration, it is well-suited for vehicle-based communication — whether for trucking, travel convoys, recreational trips, or emergency comms.