Easy to install - obtain your SIM card from any GSM Carrier - Mount anywhere you have your Carrier's Cell Signal - Wire audio to any input on your PA or Intercom System - Wire to any 24VDC, 1.5A Power Supply - That's It! Now you have direct Cellular Live Paging into your audio system.
GSM is the most widely-used cellular service around the Globe. Just obtain any micro-SIM card from any unlocked GSM carrier - like T-Mobile, Consumer Cellular, Metro-PCS and tons of others. CDMA service is not compatible as they use direct serial # of device - not SIM cards.
To prevent unwanted and accidental calls from accessing your audio system - MASS FONE utilizes a unique 2-step security feature - Step-1: Caller dials the phone # of the MASS FONE SIM card - MASS FONE answers - gives caller 4 short beeps and then hangs up - Caller just has to hit redial to call MASS FONE back within 1-minute - MASS FONE answers and gives caller a single, longer tone and then caller is live paging into the connected audio paging or intercom system.
Schools can give MASS FONE # to responders so they can talk to faculty, students and even the violent offenders inside the school while remaining safely outside on the campus or from protected position inside the school building. Chemical and industrial plants now can have ability for facility safety personnel or emergency responders to conduct live interior and exterior paging to direct evacuees and direct to safety - all from safe position outside the danger areas.
The MASS-FONE Portable version has audio and power cables that connect directly to any of the Clear Voice portable speaker systems to allow for direct cellular communications through the speaker while operator is positioned in a remote, safe location - even can be totally off-site if enroute to scene!
Small compact version of MASS-FONE is used with the ASV drone and Robotics speaker systems to give operator direct cellular connectivity to the drone's hailing speaker - direct crowds - communicate to disaster victims - search and rescue to make announcements to lost hikers and trapped victims - lifeguard use for communications to swimmers caught in rip currents - the possibilities are endless!
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