Garmin External GPS Antenna with Mount for Tread SxS and Tread Overland Series Free Ground Shipping! Garmin External GPS Antenna with Mount for Tread SxS and Tread Overland Series Rugged and Reliable GPS antenna for Tread SxS and Tread Overland/Overland XL. Designed around a low-profile water-resistant housing this external antenna provides increased mounting options as well as the potential to enhance performance. SKUGAX13087 MAN#010-13087-00 ID#: 6845 Our Price: $149.95 Availability: Usually Ships in 3-5 Days Shipping:Free Ground Shipping! Condition:Brand New Add to cart We’re sorry for the inconvenience, but please know we are working hard to replenish stock and fill backorders. Global shipping constraints and other material shortages have slowed the supply of products in many industries, including GPS and Marine electronics. We update the Estimated Shipping Date on our website in real time, so feel free to check back frequently. Thank You for your patience and for shopping with The GPS Store, Inc.