Download the GNSS-301L-A40 User Guide. 

The GNSS-301L-A40 is an active GNSS antenna that receives the GPS L1 and GLONASS L1 frequencies. It is also capable of receiving correction services transmitted in the L-Band such as TerraStar. The GNSS-301L-A40 is designed to withstand the elements including rain, snow and dust. This antenna is attached to a surface by means of an ARINC-743 Bolt Pattern.