Special Features:

For demil send to naval surface warfare center, code e33, bldg 543, 110 vernon ave, panama city, fl 32407-7001; contains water/hardwire diver unit and a compatible portable surface station; utilizes ultrasonic acoustic communication with a waterproof ceramic microphone and a single waterproof earphone configured for the m-48 full face mask; allows full duplex voice comm between up to six divers that are connected via a buddy line system with waterproof, wet pluggable connectors

Properties:

A network or system consisting of two or more sets or nodes (computers, personal digital assistants (pdas), cell phones, switches, routers or various other devices) capable of sending, receiving, or forwarding information (may include a transceiver). may be wireless, mobile, or fixed, and have the capability to operate on different frequencies.