Reference: RBD-3320
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The A7670G 4G LTE USB Dongle is a powerful and versatile communication module designed for global use. Built on the SIMCom A7670G platform, this dongle supports high-speed 4G internet, voice calls, SMS messaging, and advanced IoT features. Unlike the A7670C, the A7670G includes TTS (Text-to-Speech) voice broadcasting and DTMF audio decoding, making it ideal for applications that require remote voice synthesis, call automation, or interactive voice systems.
Its plug-and-play USB interface ensures easy integration with Raspberry Pi, Linux PCs, Windows, and Android systems, providing developers with a reliable solution for IoT, industrial automation, medical equipment, smart retail, and embedded computing projects.
The A7670G 4G LTE USB Dongle is a powerful and versatile communication module designed for global use. Built on the SIMCom A7670G platform, this dongle supports high-speed 4G internet, voice calls, SMS messaging, and advanced IoT features. Unlike the A7670C, the A7670G includes TTS (Text-to-Speech) voice broadcasting and DTMF audio decoding, making it ideal for applications that require remote voice synthesis, call automation, or interactive voice systems.
Its plug-and-play USB interface ensures easy integration with Raspberry Pi, Linux PCs, Windows, and Android systems, providing developers with a reliable solution for IoT, industrial automation, medical equipment, smart retail, and embedded computing projects.
Global Compatibility – Works with worldwide 4G LTE networks
Full Communication Support – Internet access, SMS, and voice calling
TTS Voice Broadcast – Send text to the module during a call and it will synthesize speech for the recipient
DTMF Audio Decoding – For remote control and automated response systems
Plug-and-Play USB Interface – No complex drivers required; supports RNDIS and PPP networking
Cross-Platform Support – Compatible with Raspberry Pi, Linux, Windows, and Android
IoT-Ready – Works seamlessly with Python, MQTT, TCP/UDP protocols, and industrial control applications
Compact Design – Slim USB dongle form factor with onboard SIM slot and 4G antenna interface
Model: A7670G (Global version)
Functions: 4G internet, SMS, voice calling, TTS voice, DTMF decoding
Interface: USB 2.0, TTL debug interface, Nano SIM card slot
Supported Protocols: RNDIS, PPP, TCP/IP, UDP, MQTT, SMS, voice call
System Support: Raspberry Pi, Linux, Windows, Android, ARM-based devices
Power Supply: 5V / 0.2A via USB
Dimensions: 76 × 28 × 8 mm
Indicators: Power LED, Signal LED, Status LED
Extras: Reset key, UBOOT key, IPEX antenna connector, 3.5mm audio jack
Raspberry Pi & Embedded Projects – Add global 4G internet and GSM functionality to your Pi
Industrial IoT – Remote monitoring, machine-to-machine communication, smart factories
Healthcare & Medical Devices – Real-time patient monitoring with voice/SMS alerts
Telematics & Automotive – Vehicle tracking, fleet management, smart navigation
Smart Retail & Vending – Cashless payment terminals, kiosks, ticketing systems
Remote Voice Solutions – TTS-enabled interactive voice response (IVR) systems
1 × A7670G 4G LTE USB Dongle Module
Unlike the A7670C (domestic), the A7670G Global version includes all features: 4G internet, SMS, voice calls, TTS voice synthesis, and DTMF decoding. This makes it the best choice for developers who want full communication capability and need their projects to work globally.
Get connected with the A7670G Global 4G LTE USB Dongle – the all-in-one solution for internet, SMS, calls, and voice broadcasting on Raspberry Pi, Linux, and industrial computers.
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The A7670G 4G LTE USB Dongle is a powerful and versatile communication module designed for global use. Built on the SIMCom A7670G platform, this dongle supports high-speed 4G internet, voice calls, SMS messaging, and advanced IoT features. Unlike the A7670C, the A7670G includes TTS (Text-to-Speech) voice broadcasting and DTMF audio decoding, making it ideal for applications that require remote voice synthesis, call automation, or interactive voice systems.
Its plug-and-play USB interface ensures easy integration with Raspberry Pi, Linux PCs, Windows, and Android systems, providing developers with a reliable solution for IoT, industrial automation, medical equipment, smart retail, and embedded computing projects.
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