RTU5024 GSM Access Controller | SMS Remote Door Control Switch

RTU5024 GSM Mobile Phone Access Controller – Smart SMS Remote Door Control

Take full control of your door, gate, or security relay from anywhere in the world using just your mobile phone. The RTU5024 GSM Access Controller lets you open or close any connected door or gate with a simple free phone call — no apps, no internet connection required. Supporting all major global GSM networks on quad-band 850/900/1800/1900MHz, this compact and rugged device is perfect for homes, offices, warehouses, industrial sites, and rental properties.

Made in Mainland China.

Why Choose the RTU5024 GSM Door Controller?

• Free Operation via Phone Call: The relay activates on the first ring from an authorized number — no call charges, no monthly fees.
• Quad-Band Global Compatibility: Works on 850/900/1800/1900MHz GSM networks worldwide.
• Up to 200 Authorized Users: Easily add or remove phone numbers via SMS text commands.
• Caller ID Security: Ignores unknown or unauthorized callers, keeping your access point secure.
• SMS Confirmation: Receive a customizable text message confirmation every time the relay is activated.
• Programmable Relay Timing: Set your own relay closing/opening duration to suit your application.
• Rugged Metal Enclosure: IP30-rated metal casing with system isolation — ideal for industrial environments.
• Compact & Wall-Mountable: Small footprint with support for wall mounting in any space.
• Wide Operating Range: Functions in temperatures from -20°C to +60°C and up to 90% relative humidity.
• No Extra Hardware Needed: No remotes or keypads required — your phone is all you need.

Technical Specifications

What's in the Box?

• 1 × RTU5024 GSM Mobile Phone Access Controller
• 1 × GSM Antenna
• 2 × Terminal Connectors
• 1 × English User Manual

Common Applications

The RTU5024 is incredibly versatile and can be used for:

• Electric gate and garage door control
• Security door access for offices and apartment buildings
• Remote relay switching for industrial equipment
• Rental property keyless entry systems
• Farm and agricultural gate control

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For guidance on best practices in electronic security systems and access control, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer safety standards on electronic devices.

Note: New and old product variants of this item may be shipped interchangeably at random. Please ensure you are comfortable with this before placing your order.

Learn more: Access control

Frequently Asked Questions

Q: Does the RTU5024 GSM access controller require a monthly subscription or internet connection?

A: No subscription or internet connection is needed. The RTU5024 operates entirely over the GSM cellular network. It activates on the first ring from an authorized phone number — completely free of call charges — making it a truly cost-effective remote access solution.

Q: How many phone numbers can be authorized on the RTU5024 GSM door controller?

A: The RTU5024 supports up to 200 authorized phone numbers. You can add or remove users at any time by sending a simple SMS text command, giving you full, flexible control over who can access your door or gate.

Q: What type of SIM card does the RTU5024 require, and which networks does it support?

A: The RTU5024 uses a standard-size SIM card and supports quad-band GSM frequencies (850/900/1800/1900MHz), making it compatible with cellular networks in most countries worldwide. Note that it operates on 2G GSM technology, so your carrier must support 2G connectivity.

Q: Can the RTU5024 be used outdoors or in harsh environments?

A: Yes. The RTU5024 features a durable metal enclosure with an IP30 protection rating and is rated for operating temperatures from -20°C to +60°C with up to 90% relative humidity. It is well suited for industrial, commercial, and outdoor-sheltered installations.