The GNSSRK series GPS and GNSS repeater kit is to direct outdoor full-band navigation satellite signals to places where indoor or other satellite signals cannot reach, and complete various kinds of test work indoor instead of outdoor. For testing cell- phone, PND, car navigators, tracker, survey products, etc. for the purpose of GNSS signal covering: Car parks, lab, aviation manufacturing hangar, trade shows, emergency-safety vehicles, public transportation etc. For New Energy Vehicle Manufacturing. GEMS GPS Repeater kit provide the total solutions. We deisgn the GPS coverage range. How many GPS antennas we need? How to installion a GPS Repeater? We have been providing GPS indoor coverage and this production line testing solutions and products to Fortune 500 customers since 2007. Here you can find all your needs for almost any GPS REPEATER.