The ATTWOOD MARINE 8899LP6 TWLOCMERC FITB-NET SETLP is a marine communications system that includes a transceiver, a mount, and a power supply. The transceiver is designed to be mounted on a boat or ship, and it can be used to transmit and receive signals over a range of up to 100 miles. The mount includes a bracket that can be attached to a mast or a railing, and it allows the transceiver to be easily accessed. The power supply provides power to the transceiver, and it can be used to recharge the battery.