The ICRI-2P (two port, environmental, deep) is a lightweight, portable repeater that extends communications in buildings, below grade and other non-line-of-sight situations, enhancing emergency responders' command and control. The 2P also provides interoperability, bridging any two incompatible radio, cell, satellite and landline phones. A radio connected to Communications-Applied Technology's 2P via the cable reel/extension is moved into areas of operation beyond the reach of normal RF signals (in increments of 250 feet). First responders talking through the radio cabled to the 2P are retransmitted through the original radio system and a second, incompatible radio.