The 1027-010 from Southwest Antennas is a high-performance, ruggedized GPS Passive L1 Antenna designed for GPS receivers, manpacks, hand-held, and small form factor radio systems. The antenna delivers a gain of 1.5 dBic and has a VSWR of 2.0:1. It has an integrated 3.42 inch RF coaxial gooseneck assembly which is sealed with Polyolefin heat shrink providing a waterproof seal to 20 meters / 65.6 ft.