for data communications however the recipient 39 s telephone may require a corresponding application i e a mmt u201c client u201d in order to process and use the received data for example in a situational awareness scenario location information in the form of gps data that is sourced from a node on the sdr network 14 would not be useful to a recipient on the cellular network 16 without an application on the recipient 39 s phone that will route the information to special mapping software previously loaded in the phone as mentioned message translation policies can assure that only designated authorized users on the cellular network 16 will receive and use any information that originates from the sdr network 14 most current smartphones are equipped with a secure wireless interface e g bluetooth so that the phones can communicate or u201c pair u201d with similarly equipped devices using such an interface as a transport layer between the processing core 18 of the sleeve 10 and the smartphone 22 when the phone is placed in the sleeve dock 22 allows data from to the sdr network 14 to be readily and securely transferred to from the smartphone 12 and for a user to insert or remove the smartphone 12 easily with respect to its operating position in the dock 22 as desired fig3 to 6 show further details of the sleeve 10 including a housing 40 that is dimensioned and arranged to form the sleeve dock 22 a circuit card assembly cca 42 that contains the processing core 18 an environmental seal 44 and.