EMX CELLOPENER-365 GSM Access Control System

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EMX’s CellOpener-365 GSM Access Control System allows up to 2000 registered users to operate any garage door or gate using their phone. The CellOpener uses a GSM SIM card that must be activated upon installation, and there’s no additional cost to the user. Everything needed to open and close the system comes in a cell phone. The CellOpener-365 can be used in conjunction with an EMX doorbell, pushbutton, or keypad for advanced functionality.

Dial the SIM card’s number from any phone or mobile-phone and the garage door or gate will open without a range limit. Close and open your access control system from anywhere in the world with a phone call to an automated system. The CellOpener-365 has Weekly Timer and 365 Day Timer options for high security, and allows property managers or business owners to prevent (or enable) the gate or door from opening on special event days or holidays. Date and local times are automatically set by the GSM network connection, so time adjustments for daylight savings time or due to power outages are never required.

All programming of the CellOpener-365 is done with simple SMS commands. This allows remote programming from anywhere making maintenance and security easy. Disable or enable an individual person’s access to a site in seconds from your cell phone.


  • EMX CellOpener-365 GSM Access Control System

  • Open and close a gate or garage door from anywhere with a phone call

  • Allows up to 2000 registered users

  • No range limit for operation

  • Uses a SIM card that needs activation upon installation

  • Equipped with 365 Timer and Weekly Timer

  • Set specific times to be open or closed

  • Property managers/business owners receive text message alerts when the door or gate is opened

  • Option to lock out specific users via their phone number

  • Can be used with a doorbell, chime, push button, or EMX Keypad


  • Power: 12V – 18V AC or DC

  • Standby Current-LEDs enabled: 0.2A @ 12 VDC / 0.3A @ 24VDC

  • Standby Current-LEDs disabled: 0.1A @ 12 VDC / 0.15A @ 24 VDC

  • Max Authorized Users: 1600 Normal Users and 400 Special Users

  • Relay Contact Rating: 5A @ 24V

  • Operating Temperature: Min -40°C / Max 65°C

  • Antenna Cable Length: 118.2 inches

  • Lead Cable Length: 19.7 inches

Product Manual