Features: Enhances your communication experience with the CR-77 Antennas, featuring Double band frequency support of 144/430MHz and a Gains of 2.25/3.8dBi for superior signal reception. This Small Antennas is designs with a PL259 connector, supports up to 100W power, and boasts of less than 1.5 1, ensuring best Performances and reliability. Ideal for radio enthusiasts, outdoor adventurers, and professional communication personnel who require dependable connection in various environment . Perfect for use in outdoor expeditions, emergency situations, or any scenario where reliable two way communication is essential. The package includes a magnetic base with a 5 meter cable, providing flexibility and ease of installation, making it excellent addition to your radio accessories collection. Specifications: Material: plastic Model: CR-77 Frequency: 144/430Mhz Gains: (144Mhz) 2.25/ (430Mhz) 3.8dbi Connector: PL259 Maximums power: 100W Impedance: 50ohms Cable length: Approx. 5 m /16.4ft Base diameter: Approx. 55mm/2.2 inches Package Includes: 1x144/430MHz Broadband Antennas 1xMagnetic Base with Cable note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.