1) Technical FAQ for Standard RTU5024 GSM Gate Opener:

Which type SIM card should we use ?
1. Always disable the PIN code of the SIM card. If not, the our gsm device cannot operate.
2. Delete from SIM card all lists of SMS (inbox, outbox, sent items) and disable all additional services (answering service, call forwarding,etc). Do this using a normal mobile phone.

For the first time to use RTU5024 GSM Controller, Fast start with following steps:
1. Please put your sim card into it
2. Power on the device with DC12V (DC9V-DC40V)
3. Use your mobile phone to call it , if it can reject your calling , then it is working properly.
4. Send a simple SMS command to the SIM card number in the device
1234A020#64121668# ( Replace the number 64121668 to your mobile phone number)
When received the SMS ,the RTU5024 will reply your SMS and then you try to call it, the relay would be toggled.(When relay is triggered, you can hear the relay switch tone )

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Questions About Power supply:
Question 1: What is the power input voltage for RTU5024?
Anwers 1: For RTU5024, Power input is DC9V to DC40V. and you should connect the proper polarity to the power input port. If wrong,RTU5024 cann't be powered on.

Question 2: What is the power consumption of the RTU5024?
Anwers: 2: For RTU5024, when start the GSM module,that would need a maximum DC12V/0.8A current at a short time. And later would need around 40mA current (Relay is at OFF Status). So normally,we need to select at least DC12V/1A to DC12V 2A power supply for proper working with Relay ON.

Questions About the working frequency:
Question 1: If this device can work in my country ?
Anwers 1: If no special description on the shopping page that is 3G or 4G version, you ordered GSM-RELAY products are 2G version.For some countries including: "USA, Australia, Singapore, Taiwan, Canada " must order the 3G or 4G version device. So before order,that would be better to make clear that device can work in your country or work with your SIM card provider.

Questions About the Security control :
Question 1: After setting the authorized number, I call the device, and the device output can be activated. But why other numbers that I haven't set up can also work when calling my device ?
Anwers 1: Please setup the right working mode

• Allow only the authorized numbers can call in to control(Caller-ID for security,default):
  1234AUT#
• Allow all numbers can call in to control,in this mode,any number can dial to control
  1234ALL#

Questions About Input and Output:
Question 1: If RTU5024 have some input for alarm sensors ?
Anwers: 1: Standard RTU5024 don’t have any input port for any sensor connection.But from 2019 Version, Start have designed alarm input port on the board.

Question 2: How many outputs on one RTU5024 board ?
Anwers: 2: RTU5024 has one relay output and the relay output maximum switch power is 240V/5A.

Question 3: What voltage can be output from the RTU5024 Output port ?
Anwers: 3: RTU5024 output don’t have any voltage or current. It is a simple switch, Just a switch type output. That means it working very similar as your switch. Two pins (COM and NO), when triggered,then that two pins would be shorted and when OFF, that two pins would be opened.You can use this switch to ON or OFF other device power cable. For example,you can use the output to ON or OFF a live wire of the motor power cable. If you are not familar with the RELAY output and how to use it properly,please check the file: Relay_control_output_faq.pdf

Question 4: How to control the Relay output and How to setup the relay working mode?
Anwers: 4: We can use your phone to dial the device number to control the relay output.There is a GOT timer ( For example 1234GOT005# ) you need to setup it before using. After you dial it, then relay output will be triggered for the GOT timer and then will back to previous status automatically. that means, that is a PULSE output. If you want the relay can stay at ON status until another dial in. then you can setup the GOT timer data to "999", then RTU5024 will work at the Switch Mode. Dial it to ON and dial it again will back to OFF. Then you can use the command: 1234GOT999# to set the device to switch mode. You can do according to the following picture:
( Must be noted: For 1000 users version, you need to setup the GOT data to 000, then will be switch mode )

Question 5: If I can connect a temperature sensor to the RTU5024 ?
Anwers: 5: RTU5024 doesn't have any input port. if you want to have more relay outputs and also want to check the temperature and send the alarm. you need to select other control board , For example our WF-TP02B controller, it has two relay output, two alarm input port and also have the temperature sensor input. you can know more about WF-TP02B Product: WF-TP02B.html

Question 6: Every time after I dial in, I will get a SMS confirmation, How to close this ?
Anwers: 6: RTU5024 can send the SMS confirmation to the First authorized number and the caller number. If you don't need to , you can setup GON and GOFF with 00, please check the following command for your reference.

Questions About The "Error password" SMS problems:
Question 1: Why every time when diall to control the device,it will send me an SMS "Error password"?
Anwers:1: Please check your SIM card function and disable "Reject the calling with an SMS" , that means your mobile phone (not GSM controller) has a function,every time when your calling was rejected,your phone will also send an SMS to that number. Then when you dial the GSM controller and it reject your calling,then you send an SMS automatically to the GSM controller,but for GSM controller,that is not an proper command,so it thinks that you use a wrong password and then reply you an SMS "Error password",so you need to disable this function of the SIM card in your mobile phone " Reject the calling with an SMS ".

Question 2: Why every time I sent an SMS,but it relay with SMS "Error password "?
Anwers:2-1: Do not place any useless letters before or after the instruction, or any extra spaces.Also must be sure,that command is right SMS command,Do not use instructions from other GSM devices on this device.
Anwers:2-2: Pleae check your password ,if you have changed your password or other person changed the password, if cann't remember the passowrd, just RESET the device to orginal password "1234".

Questions About The SMS confirmation:
Question 1: Why every time when diall to control the device,I will get four returned SMS message and even I can received four SMS every time dial the device?
Anwers:1: Please check your manual about " Who will receive the confirmation SMS when the relay is ON/OFF ", that means the ID:1st number and the caller number can be preset to receive the SMS. So if user setup the device to send the SMS to both 1st number and caller number and also the caller number is the 1st number.Then these four confimration SMS will all send to the same number.

Questions About The APP:
Question 1: Where to download the RTU5024 APP ?
Anwers:1: Please go to Google play store or Apple app store to search the keyword: "RTU5024"

Question 2: Download my app directly
Anwers:2: Android app link: RTU5024.apk

Questions About The Manual:
Question 1: Where to download the RTU5024 Manual ?
Anwers:1: Normally in our package,we have a paper manual inside the box, if you need to download it,then please go to :

Questions About the 3G or 4G Controller:
Question 1: GSM (2G) version is cheaper, What is the 4G or 3G Version advantage?
Anwers:1: GSM net is working perfectly in most of the countries in the world. But some countries including: USA,Australia,Singapore,Canada,Taiwan, New zealand .... These above countries have to use 3G or 4G version,, because GSM net is already closed. In addition, some other countries, GSM network no longer provide more future service and upgrades.

Questions the RTU5024 Box size:
Question 1: What is the size of the RTU5024 box and the mounting hole dimension?
Anwers:1: the below picture is the size for the RTU5024 and the mounting hole dimension

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2) Questions About Rain proof box type RTU5024:

Question 1: What is the difference between the RTU5024 and the standard RTU5024 ?
Anwers:1: Rain proof type RTU5024 is totally the same functions as the standard RTU5024. Only difference is the box type. Rain proof type,that is better and more suitable for outdoor installation.and that box is rainproof type.

Question 1: What is the difference between the RTU5024WAC and RTU5024WDC ?
Anwers:1: For AC type,that power input is AC100-240V directly. Only need to connect two lines for power input: Fire and Neutral

For DC type,that power input is AC/DC12-24V,don't need to distinguish which is positive and which is negative.

( Must be noted: For 1000 users version, you need to setup the GOT data to 000, then will be switch mode )

Questions About The Manual:
Question 1: Where to download the Rain proof type RTU5024 Manual ?
Anwers:1: Normally in our package,we have a paper manual inside the box, if you need to download it,then please go to :

Questions the RTU5024 Box size:
Question 1: What is the size of the RTU5024 box and the mounting hole dimension?
Anwers:1: the below picture is the size for the RTU5024 and the mounting hole dimension

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3) Questions About 2017 version RTU5024 ( RED panel RTU5024 ):

Question 1: What is the new features of the New 2017 version RTU5024?
Anwers:1: New version RTU5024 has more features: (1)Totally compatible with Standard RTU5024; (2) New RTU5024 support PC programmer for fast and easy programming and phone number management; (3) Support maximum authorized 999 numbers (Standard version is 200 numbers);(4)Realtime Data Log can be saved with Time stamp for later read out with PC software.(5) Support customzed SMS command to control the relay output: ON or OFF or PULSE

Question 2: What is the usage for customized SMS command ?
Anwers:2: Sometimes you can setup a customized a SMS command as a pssword for the unauthorized users to control the relay output.When you don't want them to control the output, then just change the customized sms command would be okay.Because these unauthorized user are not in your authorized numbers list,so they don't have the right to modify the parameters of your device and only can use the SMS command you give to them.

Question 3: Where to download the V2017 RTU5024 Manual ?
Anwers:3: Normally in our package,we have a paper manual inside the box, if you need to download it,then please go to :

4) Questions About 2019 version RTU5024 ( V2019 GSM and 3G):

Question 1: Where to download the V2019 RTU5024 Metal box type Manual ?
Anwers:1: Normally in our package,we have a paper manual inside the box, if you need to download it,then please go to :

RTU5024 V2019 and V2017 Descarga del manual en español

Question 1: Where to download the V2019 RTU5024 Rainproof box type Manual ?
Anwers:1: Normally in our package,we have a paper manual inside the box, if you need to download it,then please go to :

RTU5024 V2019 Manual de versión de caja a prueba de lluvia

Question 2: What is the new features of the V2019 version RTU5024?
Anwers:2: 2019 version RTU5024 has more features:
(1) Support battery inside for power failure alert;(Battery maybe optional part )
(2) Support maximum authorized 1000 numbers
(3) One alarm input port on board (Only for Rain proof box version)