The GSM/4G telephone dialer with MP3 voice messaging is an advanced solution for security, alarm, and remote automation applications. Designed to offer complete remote control, it allows you to receive notifications and control devices via mobile network simply and reliably.

Thanks to the integrated MP3 module with 4 MB of memory , the device can play pre-recorded and customizable voice messages, making communication with the user clearer and more immediate. You can replace the standard messages by uploading customized MP3 audio files via PC.

The system integrates the GSM/4G SIMCom A7682E module , which guarantees connectivity on LTE and GSM networks, allowing interaction via:

• phone calls with voice-guided menu

• SMS commands

• DTMF tones

• PC configuration with dedicated software

The combiner has 2 opto-isolated inputs and 2 relay outputs , ideal for remotely managing devices such as:

• burglar alarm systems

• lights and signals

• motors and automations

• pumps and irrigation systems

• industrial plants

You can store up to 8 telephone numbers for sending alarm notifications via voice call, SMS or both.

Package Contents

• GSM/4G telephone dialer already assembled and tested

• GSM/4G Module SIMCom A7682E

• Voice card with MP3 player

• External GSM antenna with cable

• User manual in Italian

Important note about the SIM

To use voice calls on 4G/LTE networks you need:

• a SIM card with voice and data traffic

• support for VoLTE technology

If the SIM does not support VoLTE, the device will still work but only in SMS mode , without the possibility of voice interaction.

Technical features

• GSM/4G Module: SIMCom A7682E

• Supported bands: LTE-FDD B1/B3/B5/B7/B8/B20, GSM/GPRS/EDGE 900/1800 MHz

• Antenna: external GSM stylus type

• Power supply: 9 ÷ 32 Vdc stabilized

  • optional Li-Ion battery 800–1000 mAh

• Absorption:

  • ~50 mA at rest

  • up to 1 A in peaks

• Digital inputs: 2 optoisolated

  • level 1: 5 ÷ 32 Vdc

  • level 0: 0 Vdc

• Relay outputs: 2

  • for SELV loads (< 60 Vdc)

  • maximum contact current: 10 A

• Voice messages: customizable in MP3 format

• Voice menu: in Italian

• Configuration:

  • remotely via SMS

  • from PC via software (optional USB interface)

• Dimensions: 109 × 67 × 41 mm

• Operating temperature: -10°C ÷ +55°C

• Weight: about 142 g

Typical applications

• Civil and industrial burglar alarm systems

• Access control and security

• Air conditioning and heating management

• Pump and irrigation control

• Industrial automation

• Remote monitoring and control