Motorola NAF5039, NAF5039A 800-869 MHz Dipole Antenna for Portable Radios
8 inches tall and replaces standard antenna. It is an inch taller, rigid, and protects the antenna connector from the elements in harsh environments. If you frequently operate on the edge of your system's coverage this antenna may help fill in your dead spots.
Compatible with XTS3000, XTS3500, XTS2500, XTS5000, HT1000, MT1500, MT2000, MTS2000, MTX8000, MTX9000, MTX838, MTX-LS, MX300, STX, MX800, ASTRO Digital Saber, JT1000