The new product range (modular concept) for mobile (line)-independent hands-free (SOS) stations, based on the Telbit Series 2000 hands-free telephones, in stainless steel design, can be used in conjunction with the telby-a/b-GSM adapter both as a/b and as GSM or combined. All devices require 12VAC power supply for GSM operation. They are all-weather IP54, industrial quality, available in RAL colors and UV resistant.