Our standard products is designed with QUAD GSM BAND and that is no problem for all the world market at 850/900/1800/1900MHz
GSM-OPEN is an innovative designed GSM KEY products.Very easy to use, more working mode and alarm setting with very simple rotary switch to select.
Even no need more difficult SMS command to program the device.
For automatic door ,electric door ,normally,that is very easy to install,only connect the device to the manual exit button (parallel with the manual button)
If no manual button, and you can use the device to control the electric lock directly as the following picture:

Our product ranges includes belows:*Automatic door*Sectional Industrial door opener*Sectional Garage door opener*High speed rolling door system includes rolling door motor,tubular motor etc..*Gate opener system*Road barrier system includes barrier, turnstile etc.*All related control system and accessories*Customerized products that required by customer marketFAQ1.How many years experience for your motor factory and exporting business?Answer:Our motor factories are all working in this field for more than 15 years..For exporting business,we start on 2007 years till now;2.Can I visit your factory?Answer:Always welcome;Before visit,please inform us your company profile,business product ranges and yearly order quantity ,also your estimated visit date before we can arrange meeting well with your side;