Raymarine E70476 AIS700 AIS Tranceiver w/Splitter alt-46-2675 This is a fixed-mount jack

This is a fixed-mount jack designed for mounting on trailer frames of up to 3 inches x 5 inches

lug nuts on a 4 ½-inch bolt pattern

adjustable zinc footpad prevents divots

Mounting stem measures 1-1/4 inches long x 3/8 inch diameter

Raymarine E70476 AIS700 AIS Tranceiver w/Splitter alt-46-2675 This is a fixed-mount jackClass B Automatic Identification System (AIS) transceiver designed for use with Raymarine multifunction navigation display systems. As a Class B AIS transceiver, the AIS700 not only receives broadcasts from other vessels, it also transmits your own boats information too helping you to be seen on other vessels systems. Full transmit and receive AIS for enhanced situational awareness and safety Latest SO TDMA networking for longer range and faster