RA50 re-radiating antenna
Want to improve your GPS reception?
Can't get that signal due to something over head, eg large roof rack.
Then the RA-50 re-radiating antenna is what you need.
The RA-50 is a complete GPS (L1 band signal) re-radiating unit with dual antennas to re-transmit real-time GPS satellite outdoor receptions to an indoor environment. The re-radiating internal antenna allows multi GPS receiver users to perform on-the-fly normal receiver performance within a closed environment, while the main GPS antenna is located on an un-manned outdoor location.