I have purchased 3 items through Revain. GSM gate control, SIM card and 12 volt power supply. I have a GSM gate controller connected to a remote gate clicker. I soldered 2 wires through the clicker button. The gate system was an Eagle access control system. I programmed the GSM control by sending text messages to the SIM card phone number. I set up a phone number and credit card payments on the site. It's great for our church cemetery gates. You can allow access by phone number and set the access time. It tells who gained access to the gate and when it happened. The normal time signal of the automatic gate was not disturbed.
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