ACJ-405 – 2G WiFi GSM Touch Keypad Home Security Burglar Alarm System with Mobile App

[Product Name]

Product Overview

The ACJ-405 2G WiFi + GSM Home Security Alarm System is a programmable wireless alarm solution designed to protect homes, offices, shops, and other premises against unauthorized entry and emergencies. It supports 2.4GHz WiFi and GSM connectivity, allowing users to receive alerts and manage the system through the available communication options.

The system supports multiple arming modes, including Away, Home, Delay, and Timely Arm, and can accommodate up to 100 wireless sensors and 3 wired sensors. A backup battery helps maintain operation during power interruptions, while remote control, mobile app, RFID card, or phone-based operation provides convenient arming and disarming.

Main Purpose

The ACJ-405 is designed to detect intrusion and security events through compatible sensors and notify users through GSM/WiFi communication, helping protect residential and commercial premises.

Key Benefits

  • WiFi + GSM Connectivity – Provides two communication options; WiFi operates on the 2.4GHz network.
  • Multiple Arming Modes – Supports Away, Home, Delay, and Timely Arm modes.
  • Expandable Security System – Supports up to 100 wireless sensors and 3 wired sensors.
  • Backup Battery – Helps keep the system operational during power interruptions.
  • Remote Operation – Supports arming and disarming through remote control, app, RFID card, or phone call.
  • Long Wireless Range – Compatible wireless sensors can provide coverage of up to 100 meters, depending on installation conditions.
  • Flexible Expansion – Additional compatible accessories such as motion, shock, water-leak and other sensors can be added according to system capacity.
  • No Security Monitoring Contract – The system does not require a separate security-company monitoring contract; GSM communication requires a compatible SIM card and mobile service plan.

Important Features

  • 2G GSM + WiFi Connectivity – Supports GSM and 2.4GHz WiFi for alarm communication.
  • Touch Keypad Control – Convenient operation directly from the alarm panel.
  • Multiple Arming Modes – Away, Home, Delay and Timely Arm options.
  • Expandable System – Supports up to 100 wireless sensors and 3 wired sensors.
  • Mobile App Support – Monitor and control the alarm system through the compatible app.
  • Multiple Control Methods – Arm or disarm using the remote, mobile app, RFID card or phone call.
  • Backup Battery – Provides continued operation during power failure.
  • Power Failure Alert – Can send an SMS notification when power is disconnected and restored.
  • Long Wireless Range – Compatible wireless sensors can provide up to 100 m range, depending on installation conditions.
  • Expandable Accessories – Supports compatible motion, shock, water-leak and other security sensors.
  • No Monthly Security Contract – No separate security monitoring subscription is required; GSM functions require a compatible SIM and mobile service.

Product Specifications

  • Model: ACJ-405
  • Product Type: 2G WiFi GSM Touch Keypad Home Security Burglar Alarm System 
  • Brand: NAVKAR SYSTEMS
  • Power Supply: [Power Requirement]
  • Communication: 2G GSM + 2.4GHz WiFi + Wireless RF + Wired Sensor Support
  • Operating Range: [Range]
  • Material: [Material]
  • Dimensions: [Dimensions]
  • Other Specifications: Supports up to 100 wireless sensors and 3 wired sensors; Away, Home, Delay and Timely Arm modes; mobile app, RFID card, remote control and phone-call operation; backup battery; power failure/restoration SMS alerts; expandable with compatible security accessories.

Applications

  • Home Security – Protect houses and apartments from unauthorized entry.
  • Office & Business Security – Suitable for offices, shops, and small businesses.
  • Intrusion & Emergency Monitoring – Monitors secured areas using compatible wireless and wired sensors.

Suitable For

  • Homes, Apartments, Offices & Shops
  • Indoor security installations
  • Premises requiring WiFi and GSM-based alarm communication

Not Suitable For

  • 5GHz WiFi Networks – The WiFi function supports 2.4GHz WiFi only.
  • Standalone Sensor Operation – Compatible sensors must be paired with the ACJ-405 alarm panel.
  • GSM Alerts Without a SIM – GSM calling and SMS functions require a compatible SIM card and active mobile service.

Package Contents

  • 1 × ACJ-405 WiFi + GSM Touch Keypad Alarm Control Panel
  • 1 × Wireless PIR Motion Sensor
  • 1 × Wireless Door/Window Magnetic Sensor 
  • 2 × Wireless Remote Controls
  • 2 × RFID Key Tags
  • 1 × Wired Alarm Siren
  • 1 × User Manual

Installation

Step 1 – Mount the Alarm Panel
Install the ACJ-405 touch keypad alarm panel at a convenient indoor location near a suitable power source.

Step 2 – Install the PIR Motion Sensor
Mount the wireless PIR sensor at a suitable height and position it toward the area that needs motion detection.

Step 3 – Install the Door/Window Sensor
Fix the wireless magnetic sensor and its magnet on the door or window. Ensure both parts are properly aligned when the door or window is closed.

Step 4 – Install the Wired Siren
Mount the wired siren at a suitable location where the alarm sound can be clearly heard throughout the protected area.

Step 5 – Power & Test the System
Connect the alarm panel to its compatible power supply, register the wireless accessories, and test the sensors, siren, remotes and RFID tags.

Wiring

The ACJ-405 uses wireless accessories for the included PIR sensor, door/window sensor, remote controls and RFID tags. The alarm siren included with this kit is wired and must be connected to the appropriate alarm output of the control panel.

  • Power: Connect the ACJ-405 to its compatible power supply as specified in the user manual.
  • Input: Wireless PIR sensor, wireless door/window sensor, remote controls and RFID tags are registered with the alarm panel without physical wiring.
  • Output: Connect the included wired siren to the designated siren/alarm output terminals of the ACJ-405.
  • Other Connections: GSM SIM card and 2.4GHz WiFi are configured for GSM/WiFi communication. Follow the supplied manual for exact terminal connections.

Programming

  • Step 1 – Configure Communication
    Insert a compatible GSM SIM card and connect the ACJ-405 to a 2.4GHz WiFi network.
  • Step 2 – Register Accessories
    Pair/register the wireless PIR sensor, door/window sensor, remote controls and RFID tags with the alarm panel.
  • Step 3 – Configure Security Settings
    Set the required phone numbers, arming modes, security zones and other alarm parameters according to the user manual.
  • Step 4 – Test the System
    Trigger each sensor and operate the remote/RFID controls to confirm that the alarm panel and wired siren respond correctly.

Operation

  • Step 1 – Arm the System
    Use the touch keypad, remote control, RFID tag, mobile app or configured phone function to arm the system according to the selected operating mode.
  • Step 2 – Detect Security Events
    The registered PIR and door/window sensors monitor the protected areas. When a sensor is triggered while the system is armed, the ACJ-405 processes the alarm event.
  • Step 3 – Activate Alarm & Alerts
    When an alarm event occurs, the connected wired siren is activated and the system can send configured GSM/WiFi notifications according to the programmed settings.

Troubleshooting

  1. Problem 1: The ACJ-405 does not power on
    Solution: Check the power adapter, power connection, and electrical supply. Ensure the correct power supply is being used.
  2. Problem 2: Wireless sensor is not responding
    Solution: Check the sensor battery, registration/pairing status, and distance between the sensor and alarm panel. Register the sensor again if required.
  3. Problem 3: Wired siren does not sound during an alarm
    Solution: Check the siren wiring and ensure it is connected to the correct alarm/siren output terminals of the ACJ-405. Also verify the alarm settings.

Common Problems

Problem 1: WiFi is not connecting
Solution: Confirm that the WiFi network is 2.4GHz, check the WiFi password and ensure the internet connection is working.

Problem 2: GSM SMS/call alerts are not received
Solution: Check that a compatible GSM SIM card is inserted, has an active service plan, and has adequate network signal. Also verify the programmed phone numbers.

Problem 3: False alarms occur frequently
Solution: Check the installation and positioning of the PIR and door/window sensors. Ensure the sensors are securely mounted and configure the appropriate alarm zone and arming settings.

FAQs

Q: Does the ACJ-405 support 5GHz WiFi?
A: No. The WiFi function supports 2.4GHz WiFi only.

Q: How many wireless sensors can be connected to the ACJ-405?
A: The system supports up to 100 wireless sensors and 3 wired sensors.

Q: Does the ACJ-405 require a GSM SIM card?
A: A compatible GSM SIM card is required for GSM-based phone calls and SMS alerts. The SIM card is not included with the system.

Q: Is the included siren wireless?
A: No. The siren included with this configuration is a wired alarm siren.

Q: Can I control the system remotely?
A: Yes. The system supports control through the mobile app, remote control, RFID card, or phone call, according to the configured functions.

Q: Can additional sensors be added later?
A: Yes. Additional compatible sensors and accessories can be added according to the system's supported capacity.

Spare Parts

  • Spare Part 1: Wireless PIR Motion Sensor
    Replacement wireless PIR sensor for indoor motion detection.
  • Spare Part 2: Wireless Door/Window Magnetic Sensor
    Replacement magnetic sensor for monitoring doors and windows.
  • Spare Part 3: Wired Alarm Siren
    Replacement wired siren for audible alarm notification.
  • Spare Part 4: Wireless Remote Control
    Replacement remote control for arming, disarming and emergency functions.
  • Spare Part 5: RFID Key Tag
    Replacement RFID tag for convenient system access and control.

Warranty

Warranty Period: 1 Year

The ACJ-405 is covered by a 1-year warranty against manufacturing defects under normal use.

The warranty does not cover damage caused by incorrect installation, improper wiring, physical damage, power fluctuations, water/moisture, unauthorized modification, misuse, or normal wear and tear.

For warranty assistance, please provide the purchase invoice, product model, serial number (if applicable), and details of the issue.

Videos

  • Programming Video:
  • Product Demonstration Video:

Manuals

  • [User Manual]
  • [Installation Manual]

Downloads

  • [Datasheet]
  • [Wiring Diagram]
  • [Catalogue / Brochure]
  • [Other Download]

Customer Questions

Q: Does the ACJ-405 support both WiFi and GSM connectivity?
A: Yes. The ACJ-405 supports 2G GSM and 2.4GHz WiFi for communication and remote alerts.

Q: Does the system work with 5GHz WiFi?
A: No. The WiFi function supports 2.4GHz WiFi only.

Q: Is a SIM card included with the ACJ-405?
A: No. A compatible GSM SIM card must be purchased separately for SMS and phone-call functions.

Q: How many sensors can be connected to the system?
A: The ACJ-405 supports up to 100 wireless sensors and 3 wired sensors.

Q: Can additional sensors and accessories be added later?
A: Yes. Compatible sensors and accessories can be added according to the system's supported capacity.

Q: Is the included alarm siren wireless?
A: No. The siren included with this kit is a wired alarm siren.

Q: What methods can be used to operate the alarm?
A: The system can be operated using the touch keypad, remote control, RFID card, compatible mobile app, or phone call, depending on the configured functions.

Q: What happens during a power failure?
A: The built-in backup battery helps keep the alarm system operational during a power interruption, and the system supports power failure/restoration SMS notifications when configured.

Q: Can the ACJ-405 be used for offices and shops?
A: Yes. It is suitable for homes, apartments, offices, shops, and small commercial premises.

Escalation to Support

If the issue cannot be resolved using the information above, please contact Navkar Systems at whatsapp Support number: 91384 68548 with the following information:

  • Product Model:
  • Purchase Date:
  • Problem Description:
  • Installation Details:
  • Photos / Videos:
  • Previous Troubleshooting Performed: