FOR SALE IS ONE (1) NEW CIROCOMM BRAND EXTERNAL MAGNETIC ANTENNA WITH 10 ft length CABLE MPN GT3M AND COMPATIBLE GILSSON BRAND SUCTION CUP MOUNT BRACKET. THIS ULTRA LIGHT GAIN GPS EXTERNAL ANTENNA AND BRACKET IS SOLD NEW WITH NO MANUFACTURERS PACKAGING OR DOCUMENTION. COMPATIBLE WITH MANY OF THE GARMIN GPS UNITS. THESE TWO ITEMS ARE OFTEN USED WHEN YOU ARE IN A LOW SIGNAL STRENGTH AREA, THE DESERT, THE BIG CITY WITH HIGH RISE BUILDINGS, ALLOWS YOU TO CAPTURE A BETTER SIGNAL GPS SIGNAL WHICH IS TYPICALLY LINE OF SIGHT. WHENEVER NECESSARY, JUST PLUG IN THE ANTENNA AND MOUNT ON THE SUCTION CUP MOUNT BRACKET OR IN EXTREME CASES YOU CAN MAGNETIC MOUNT TO THE ROOF OF YOUR VEHICLE, OFTEN NECESSARY IN LARGE CITIES WITH BIG BUILDINGS. NEW YORK CITY OFTEN REQUIRES YOU TO MOUNT THE MAGNETIC EXTERNAL ANTENNA ON THE ROOF OF YOUR VEHICLE FOR BEST SIGNAL SERVICE. PLEASE NOTE THE END OF CABLE PLUG AND ENSURE COMPATIBILITY WITH YOUR GPS UNIT. YOU WILL RECEIVE THE EXTERNAL ANTENNA AND THE GILSSON MOUNT BRACKET EXACTLY AS PICTURED SHIPPED BY USPS FIRST CLASS MAIL..... BID AND BUY HERE IN IN ABSOLUTE CONFIDENCE SINCE I HAVE THOUSANDS OF POSITIVE FEEDBACK. I SHIP WITHIN TWO DAYS OF RECEIPT OF PAYMENT, OFTEN THE NEXT DAY. FREE USPS FIRST CLASS GREEN SHIPPING USING RECYCLED PACKAGING MATERIALS AND ENVIRONMENTALLY FRIENDLY MATERIALS TO ANYWHERE USA. I DO NOT SHIP ANYWHERE ELSE. HAVE A GREAT DAY AND THANK YOU FOR STOPPING BY.......