The 42G1215A-XT-1-3-Cert is an active dual band GPS antenna for the L1 & L2 Bands with a gain of 40 dB. The antenna is aircraft certified for navigation but can be used for mobile applications as well. It can also be used for L Band applications. The antenna consumes 191 Watts of power and is available in a module that has a width/diameter of 119 mm. It is available with an o-ring to create a seal between the surface and antenna.