GSM/GPRS Telephone Dialer with MP3 Voice Messages for Alarms and Remote Control

The GSM/GPRS telephone dialer with MP3 voice messages is a reliable and flexible solution for event reporting, security and remote control of technological systems.

Using the GSM/GPRS mobile network, the device is able to send voice calls and alarm SMS to preset numbers, playing fully customizable MP3 audio messages.

Thanks to the ability to upload recorded voice messages, the dialer allows clear and immediate communication of the nature of the alarm, reducing response times and false alarms. It is particularly suitable for applications in burglar alarms, home automation, industrial systems, heating plants, pumps, electrical panels, and remote control.

The device also allows remote control of outputs and functions via call or SMS, offering simple and secure management even without an Internet connection.

The use of MP3 files makes setup quick and intuitive, easily adapting to residential, commercial and industrial settings.

Main features

• Communication on GSM/GPRS network
• Playback of customizable MP3 voice messages
• Sending alarm voice calls and SMS
• Support for pre-configurable telephone numbers
• Remote control via SMS or call
• Ideal for alarms, remote control and automation
• Internet-independent operation
• Simple and flexible configuration
• High reliability for continuous use
• Suitable for civil and industrial systems
• Antenna INCLUDED

This GSM/GPRS telephone dialer represents an advanced solution for remote security and automation. It features an MP3 module with 4 MB of built-in memory, allowing playback of pre-recorded sounds and messages for more versatile audio interaction. It also includes the SIM800C GSM/GPRS module, ensuring advanced and reliable connectivity via 2G mobile networks for faster and more responsive interaction with the remote device.

It features two opto-isolated inputs and two relay outputs that can be controlled via DTMF tones, phone calls (with a guided voice menu), and SMS commands. The two outputs can remotely control a variety of devices such as lights, motors, alarms, and so on. Additionally, the device offers the ability to store up to 8 telephone numbers for sending alarm alerts via voice calls, SMS, or both.

Settings can be managed remotely via SMS or locally via a PC using dedicated software (the USB interface is optional). The MP3 module is preloaded with MP3 format messages in the internal memory, but the user can replace them with custom MP3 files uploaded via PC.

The package includes the telephone dialer already assembled and tested with the SIM800C GSM/GPRS module, the voice card with the MP3 file player module, a GSM antenna with connection cable and the user manual in Italian.

Technical features

• GSM/GPRS Module SIM800C:
• – Quadband: GSM 850, EGSM 900, DCS 1800, PCS 1900.
• – Compliant to GSM Phase 2/2+
• GPRS connectivity: multi-slot class 12 (default)
• Transmission power:
• – Class 4 (2 W) at GSM 850 and EGSM 900
• – Class 1 (1 W) at DCS 1800 and PCS 1900
• Antenna: GSM stylus, external
• Power supply: from 9 to 32 Vdc stabilized (or with 800÷1,000 mA/h Li-Ion battery)
• Current draw: ~50 mA quiescent, 1 A peak
• Relay outputs: 2, for controlling low voltage SELV loads (< 60 Vdc)
• Maximum relay contact current: 10 A
• Digital inputs: 2 (level 1 = 5 ÷ 32 Vdc; level 0 = 0 Vdc)
• Status messages: customizable in MP3 format (for inputs and outputs)
• Menu: vocal in Italian
• Dimensions: 109 x 67 x 41 (L x W x H) mm
• Operating temperature: -10°C ÷ +55°C
• Weight: approximately 142 grams