TE Connectivity’s Hirschmann Mobility IGNC 8521 SF S Iridium / GNSS (GPS/GLONASS) /Cellular (2G/3G) Satellite Antenna is designed for use in telematics applications. The low-profile (69mm height) antenna can be screw mounted on plastic and metal surfaces. TE Connectivity / Hirschmann Mobility IGNC 8521 SF S Iridium / GNSS (GPS /GLONASS) / Cellular (2G/3G) Satellite Antenna can be customized with cable lengths, types, and connectors.