CR-77 Dual Band Antenna 144/430MHz PL-259 Ham Mobile Radio

CR-77 Dual Band Wide Band Antenna – 144/430MHz with PL-259 Connector

Upgrade your ham radio or car mobile radio setup with the CR-77 Dual Band Antenna. Designed for serious amateur radio operators and enthusiasts, this compact yet powerful antenna covers both 144MHz (VHF) and 430MHz (UHF) frequency bands, delivering impressive gain and clean signal performance in a lightweight, easy-to-mount package.

Whether you're communicating via a walkie-talkie, base station, or mobile vehicle rig, the CR-77 provides a reliable, low-VSWR connection with a standard PL-259 (UHF male) connector — compatible with the vast majority of amateur radio transceivers on the market today.

Made in Mainland China.

Key Specifications

• Model: CR-77
• Frequency: 144 MHz / 430 MHz (Dual Band)
• Gain: 2.25 dBi @ 144MHz | 3.8 dBi @ 430MHz
• Connector: PL-259 (UHF Male)
• Max Power: 100W
• VSWR: Less than 1.5:1
• Impedance: 50 Ohm
• Length: 29 cm (approx. 11.4 inches)
• Weight: Approx. 103g

Why Choose the CR-77?

• ✅ Wide Dual-Band Coverage – Seamlessly operates on both VHF (144MHz) and UHF (430MHz) bands
• ✅ High Power Handling – Supports up to 100W for powerful transmissions
• ✅ Low VSWR (<1.5:1) – Minimal signal reflection for efficient power transfer
• ✅ Universal PL-259 Connector – Compatible with most ham radios, walkie-talkies, and mobile transceivers
• ✅ Compact & Lightweight – At just 29cm and 103g, it's ideal for vehicle mounts and portable setups
• ✅ 50 Ohm Impedance – Standard impedance for optimal compatibility with amateur radio equipment

Perfect For

• Amateur (Ham) radio operators on VHF/UHF bands
• Car and mobile radio installations
• Walkie-talkie base antennas
• Emergency communication setups
• APRS and repeater access applications

Package Contents

• 1 × CR-77 144/430MHz Wide Band Antenna (PL-259 Connector)

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External Resources

For more information on amateur radio regulations and licensing in the United States, visit the Federal Communications Commission (FCC). For guidance on radio frequency safety standards, refer to resources provided by the CDC on electromagnetic fields and radio frequency safety.

Learn more: Antenna (radio)

Frequently Asked Questions

Q: What radio transceivers is the CR-77 dual band antenna compatible with?

A: The CR-77 antenna uses a standard PL-259 (UHF male) connector and a 50-ohm impedance, making it compatible with the vast majority of ham radios, walkie-talkies, and mobile transceivers that support VHF (144MHz) and UHF (430MHz) frequencies, including popular brands like Icom, Kenwood, Yaesu, and Baofeng (with adapter).

Q: Can the CR-77 antenna handle high-power transmissions?

A: Yes. The CR-77 is rated for a maximum power input of 100 watts, making it suitable for both low-power handheld use and higher-power mobile or base station applications.

Q: What does a VSWR of less than 1.5:1 mean for my radio performance?

A: VSWR (Voltage Standing Wave Ratio) measures how efficiently power is transferred from your radio to the antenna. A VSWR of less than 1.5:1 means very little power is being reflected back — ensuring more of your transmitter's energy is radiated as signal, resulting in clearer, longer-range communications.

Q: Is the CR-77 antenna suitable for vehicle (mobile) installation?

A: Absolutely. At just 29cm in length and weighing approximately 103g, the CR-77 is compact and lightweight, making it an excellent choice for car or truck mobile radio installations. You will need a compatible mount (e.g., NMO or SO-239 base) for vehicle use.