JRC GPS 124 SENSOR ANTENNA JLR 4340 SHIPS BOAT MARINE NAVIGATION. The item “JAPAN RADIO CO. JRC GPS 124 SENSOR ANTENNA JLR 4340 SHIPS BOAT MARINE NAVIGATION” is in sale since Tuesday, September 11, 2018. This item is in the category “Collectibles\Postcards\Transportation\Boats, Ships”. The seller is “the_nautical_store” and is located in BHAVNAGAR, GUJARAT. This item can be shipped worldwide.