The Motorola UHF Stubby Antenna (400-450 MHz) is a 6 cm short stubby antenna designed for the UHF band (440-490 MHz). It is compatible with several different portable digital DMR radios from Motorola (Mototrbo) and offers a compact and efficient solution for users seeking improved signal strength in a more practical and durable design. Ideal for use in tough work environments where a shorter antenna is preferred.