Cheap And Discounts Gps Timing Antenna Boat Marine Beidou Dual Mode Ais Satellite Navigation Positioning Ship Antenna With Bnc/sma/tnc/n Male Rg58 Wholesale. Buy Directly From Merchant SiChangDa Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.