The Gilsson amplified antenna is fully compatible with Magellan receivers that have SMB-M connectors and provides excellent reception with its "active" style antenna allowing better reception between your GPS system and the antenna. The Gilsson SMB-M antenna comes with a built-in magnet for vehicle rooftop mounting or any metallic surface. Gilsson has the antenna setup to where you can remove the magnet for use by hikers, pilots as well as boaters to prevent interference with magnetic compass readings. In addition, Gilsson has incorporated mounting holes to allow you with a variety of mounting options. (i.e. automotive surfaces, boat surfaces, aircraft fuselage) The Gilsson SMB-M antenna comes as a right angle SMB-M connector with 9ft of cable. Compatible with Magellan triton 1500 ColorTrak, 410, 750Nav (SMB-M).