The Motorola PMAF4019 is an 80mm (8 cm) UHF whip antenna designed for Motorola portable two-way radios. It operates within the 806-870 MHz frequency. Type: Whip Antenna (80 mm / 8 cm) Frequency Band: 806-870 MHz (800MHz range) Design: Features a one-piece finish and a steel core for optimized radiation characteristics. Compatibility: Specifically listed as an ATEX UHF antenna, often compatible with MTP8500Ex/MTP8550Ex TETRA series, and utilized within Mototrbo systems. Usage: The short whip design provides increased comfort when the radio is worn on the belt