The Pulse-Larsen NMO150C is a 5/8 Wave Whip Omnidirectional Antenna operating at 144-174 (2m) MHz with NMO Mount Base. The Pulse-Larsen NMO150C is a 5/8 Wave Whip Omnidirectional Antenna operating at 144-174 (2 m) MHz with NMO Mount Base. Founded in 1965 as Larsen Electronics, the company was acquired in 1999 by Randiall, then later by Pulse Electronics. Most of the company's antennas, mounts and cable kits are still made in the USA in the original factory in Vancouver, Washington. With over 2,000 standard antennas deliverable on short-notice, Pulse-Larsen is the recognized industry leader for LMR/Land Mobile Radio and Public Safety / M2M communications. All Pulse / Larsen antennas, cable kits and NMO mounts are covered by the original Larsen No Nonsense 2-Year Warranty. These antennas have standard NMOM / New Motorola mounting. NMO cable kits, such as the NMOKHFUD series can be purchased separately on our website.