Frequently Asked Questions - GMT-3GS

FAQs - GMT-3GS

GMT-3GS 3G Switch, 3 in, 2 out

If the number is not stored in the user list the GMT-3GS will answer the call. Once the call has been answered you are able to triger the relay by typing the following into your telephones keypad. These commands can also be sent via SMS.

  • *71*5678# Will trigger relay 1
  • *72*5678# Will hold relay 1
  • *73*5678# Will release relay 1
  • *74*5678# Will trigger relay 2
  • *75*5678# Will hold relay 2
  • *76*5678# Will release relay 2

To hold the gates you can send an SMS to the mobile number of the device as follows:

  • *72*5678# Will hold relay 1
  • *73*5678# Will release relay 1
  • *75*5678# Will Hold relay 2
  • *76*5678# Will release relay 2

The GMT-3GS can take up to 1150 programmed users.

The GMT-3GS works on 12- 24v AC or DC 1 Amp

GM Techtronics Ltd can supply you with an in-line 12v power supply, just ask for a WT-1201 when placing your order.

The GMT-3GS works on the 3G network meaning any SIM providers should work.

Did you know we supply Euro SIM cards the roam across the major networks.

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