These sets are built sturdy based on the design to achieve high reliability while also meeting all the requirements for the marine telephone sets to be connected with the marine electronic telephone exchange.

These telephone sets are designed to be compatible with the DP (Dial Pulse) /PB (Push Button) dials to meet the requirements of the various telephone lines.

The received indication (Tonering & Lamp) is furnished on all models.

These telephone sets have been granted the approval of the JATE (Japan Approvals Institute for Telecommunication Equipment) standards to allow access, via the marine electronics telephone exchange, to the land line including the viaINMARSAT, cellular marine telephone and shore telephone sets.