VoIP telephone GSMKNEM-21

IP66for underground miningfor marine applications

1． Matell body, solid and temperature bearable 2． Handset free, loudspeaker, 3． Heavy duty Vandal resistant buttons. 4． With or without keypad optional 5． Lightning protection standard to ITU-T K21 6． Waterproof grade about IP55 7． Body with grounding connection protection 8． Support hotline call, self stop if the other side hang up. 9． Built-in loud speaker, noise canceling microphone 10． Lighting will flash when there is a incoming call 11． AC 110v/220v powered or built-in rechargeable battery with solar powered panel optional 12． The design is super thin and smart. Embed style and hanging style can be chosen. 13． Time out function optional 14． Colours: RED + Stainless steel , If the qty over 100pcs can be To customer specification Autodial telephone, handset emergency telephone, handfree emergency telephone, handset free emergency telephone, Auto dial emergency phone, Metal emergncy telephone，sos telephone,help telephone,GSM telephone,help point,help phone, outdoor emergency telephone,Gaitronics,emergency call point,metal help telephone, camera phonepublic telephone,loud speaking phone,bank service telephone, elevator phone,window intercome,LCD telephone,hotline phone,talk a phone,cleanroom telephone,viking,weatherproof phone,SIP phone,voip phone, call point outdoor weatherproof phone,solar energy help phone,tunnel telephone,2G,3G telephone,trackside telephone