Seller notes

External GPS Antenna for Siren 3 Pro Includes 10' Cable Optimize GPS tracking of your boat with the External GPS Antenna. When you remotely mount the External GPS Antenna, the Siren 3 Pro will override the use of the internal GPS antenna. *Compatible with the Siren 3 Pro ONLY Shipping Information FREE Shipping only applies to the Continental 48 States. There may be additional shipping fees for items going to Hawaii, Alaska, and Puerto Rico. NO PO Boxes with UPS Shipping. Most Items ship out same...

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