COMET ANTENNA CSB-750A High Mobile 144/440MHZ 3.8DB/6.2DB 42 PL-259

( Brand: Comet Antenna ), ( Type: Mobile Antenna ), ( Manufacturer Part Number: CSB-750A ), ( Item Weight: 1.45 )

Review COMET ANTENNA 144/440mhz High Gain 3.8db/6.2db Mobile 42 Inch

The Comet CSB-750A is a high-performance mobile dual-band (144 MHz and 440 MHz) antenna, delivering impressive gain of 3.8 dBi for 144 MHz and 6.2 dBi for 440 MHz. This antenna is an excellent choice for ham radio enthusiasts and communication professionals on the go.

The CSB-750A is engineered with a compact and rugged design, making it ideal for use in mobile applications. It features a 42 inch (106.7 cm) long whip, terminated with an NMO mount. The antenna comes with a PL-259 connector, which is a standard connector type in the ham radio community, allowing easy integration with various radio systems.

The antenna's high gain ensures strong and reliable signals, contributing to improved communication performance. Its 50 Ohm impedance makes it compatible with a wide range of radio equipment. Additionally, the CSB-750A is designed to be weather-resistant, ensuring durability even in harsh environments.

The antenna's omni-directional radiation pattern allows for 360-degree coverage, making it versatile for various communication needs. The CSB-750A is also easy to install, requiring minimal setup time, making it a popular choice for those who require a reliable and high-performance mobile antenna solution.

In summary, the Comet CSB-750A is a high-gain, mobile dual-band antenna, suitable for use in both the 144 MHz and 440 MHz ham radio bands. Its compact design, rugged construction, and easy installation make it a practical and effective solution for those on the move. With its strong signals and reliable performance, the CSB-750A is an essential tool for any serious ham radio enthusiast or communication professional.

The Comet Antenna CB-750A is a mobile antenna suitable for 144 MHz and 440 MHz ham bands. Here are some pros and cons that might help you in deciding whether to buy this antenna:

1. High Gain: The CB-750A offers a high gain of 3.8 dBi for 144 MHz and 6.2 dBi for 440 MHz, making it an excellent choice for weak signal areas.

2. Wide Bandwidth: It covers a wide bandwidth of 28.0 MHz for 144 MHz and 118.0 MHz for 440 MHz, allowing you to operate on various sub-bands.

3. Compact Design: The antenna is compact and lightweight, making it easy to install and transport.

4. PL-259 Connector: It comes with a PL-259 connector, which is a standard connector in the ham radio community, making it compatible with most ham radio equipment.

1. Cost: The CB-750A is a premium antenna, and its price reflects its features and performance.

2. Mounting: Proper mounting of the antenna is crucial to ensure optimal performance. Improper mounting can result in reduced gain and signal loss.

3. Installation: Installing the antenna can be a bit challenging for beginners, and some technical knowledge is required.

In conclusion, the Comet Antenna CB-750A is an excellent choice for ham radio operators who require high gain and wide bandwidth for weak signal areas. Its compact design, PL-259 connector, and compatibility with various sub-bands are additional advantages. However, its cost, mounting requirements, and installation challenges are potential drawbacks.

If you are a serious ham radio operator and are willing to invest in a high-performance antenna, the CB-750A is a recommended option. However, if you are a beginner or have a limited budget, you may consider other options with lower gain and cost.

Details:

Whip length In. Frequency MHz. Stainless steel. Whip Material.

part #: csb750a prices

• $82.99-$94.95

specifications radiorigor:

• brand: Comet Antenna
• type: Mobile Antenna
• manufacturer part number: CSB-750A
• item weight: 1.45

shipping radiorigor:

• class: Standard
• cost: $0.00
• type: Fixed
• transit: 3-6 Days
• service: Standard

returns radiorigor:

• policy: No Returns

payments radiorigor:

• credit card: Mastercard
• other
• wallet: Apple-pay

offer radiorigor:

• availability: In Stock
• sold: 0
• started: October 24, 2025
• quantity: 2
• options: Ship-to-home

general radiorigor:

• Radio Communication > Antennas > Other Radio Antennas
• condition: New

seller radiorigor:

• city: Rexford, Montana
• # reviews: 36794
• rating: 100.0%

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