eTrex eMap Geko 240v AC Power / PC Combo Cable Description 240v A / C Power PC Combo Cable (not offered by Garmin). Heavy Duty Molded DB9 Serial Connector w/thumb screws. Molded from end to end for durability. Approximately 5 ft. long. Compatible Garmin GPS Models eMap, eTrex, eTrex Camo, eTrex Legend, eTrex Mariner, eTrex Summit, eTrex Venture, eTrex Vista, Geko 201, Geko 301 and GolfLogix Golf GPS.