The new BMLPV800HD low profile vertical antenna provides seamless wideband coverage of all 800/900 MHz frequencies and is designed to operate in severe environmental conditions. Featuring a rugged single-piece base and O-ring seal, this antenna has a tight, tough seal against humidity, salt or other conditions that could infiltrate the body of the antenna. The BMLPV800HD provides wideband industry gain flatness. This antenna is ideal for SMR, GSM or 900 MHz ISM applications. The antenna is housed in a rugged, 2.5 inches tall, one-piece black radome. It mates with all 1 1/8 inches-18 thread mounts.