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ADAFRUIT INDUSTRIES FONA 3G GSM 3G Cellular Breakout Board 1.9 GHz 2691
Specifications
| Country of Origin | India |
|---|---|
| Brand | ADAFRUIT INDUSTRIES |
| Dimensions | 50 x 46 x 7.0 mm (2.0" x 1.8" x 0.3") |
| Model | 2691 |
| Product Weight | 50 g (1.8oz) |
| Interfaces | USB for easy battery charging and two status LEDs |
| Standards/Approvals | RoHS |
| Maximum Frequency | 1.9GHz |
| Kit Classification | Breakout Board |
| Featured Device | 3G cellular Breakout |
| Kit Name | FONA 3G GSM |
| RF Technology | Cellular |
| - Accuracy | approximately 2.5 metres |
| - Cold starts | -144 dBm |
| - Hot starts | 1s (typical) |
Key Features
- Compact dimensions of 50 x 46 x 7.0 mm suitable for portable applications.
- Integrates a SIM5320 cellular module with GPS for location services.
- Supports worldwide 2G and European 3G cellular bands with quad-band GSM and dual-band UMTS/HSDPA.
- Equipped with onboard LiPo/Li-Ion battery charging and supports external antennas.
- Enables voice calls, SMS messaging, and GPRS data communication over cellular networks.
- Includes micro USB port for easy battery charging and connection.
- Implements level shifting circuitry for 2.8 V to 5 V logic compatibility.
- Features standard SIM card socket and headphone jack for headset connectivity.
Product Description
ADAFRUIT INDUSTRIES model 2691 is a 3G GSM Cellular Breakout Board operating at 1.9 GHz designed for integration into embedded communication and tracking solutions. Measuring just 50 x 46 x 7.0 mm and weighing 50 grams, this breakout board is ideal for portable and remote location monitoring projects within industrial, commercial, and telecommunication environments.
The board incorporates the SIM5320 cellular module which supports worldwide quad-band 2G GSM (850/900/1800/1900 MHz) and dual-band European 3G UMTS/HSDPA (900/2100 MHz) cellular bands. Its integrated Qualcomm PM8015 GPS module offers accurate location tracking with an accuracy of approximately 2.5 meters, cold start time of 100 seconds, and a hot start time of 1 second, making it suitable for real-time positioning applications.
Designed for developers experienced in mobile communications, the FONA 3G board features onboard LiPo/Li-Ion battery charging circuitry (500 mAh or larger recommended), a micro USB connector for battery charging and serial communication via AT commands, and support for voice calls through a standard 4-pole TRRS headphone jack or external 8 Ω speaker with electret microphone. Level shifting circuitry ensures compatibility with 2.8 V to 5 V logic levels, facilitating easy integration with microcontrollers such as Arduino.
The breakout board offers multiple external antenna connectors (uFL) for GPS and 3G/GSM to enhance signal reception. It supports SMS text messaging, voice calls, and GPRS data services including TCP/IP and HTTP. The product is compliant with RoHS standards and is recommended for use in industrial automation, remote device monitoring, telemetry, and location-based services.
Compact breakout board with integrated 3G GSM cellular and GPS module. Supports global GSM bands and European 3G UMTS/HSDPA. High-accuracy GPS with fast acquisition times. Onboard battery charging circuit for LiPo/Li-Ion batteries.
Connectivity options include micro USB, SIM card slot, headphone jack, and external antenna connectors. Suitable for industrial, commercial, and telecommunication embedded projects.
This kit offers a robust solution for developers needing cellular connectivity combined with location tracking. The FONA 3G cellular breakout board expands project possibilities across industries including logistics, asset tracking, and IoT applications. Explore the extensive Adafruit catalog on EnvMart for related electronic communication and wireless development tools.
Explore more products in our Communication & Wireless Development Tool category.
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Frequently Asked Questions
The dimensions are 50 x 46 x 7.0 mm (2.0" x 1.8" x 0.3").
It weighs 50 grams (1.8 ounces).
It features onboard LiPo/Li-Ion battery charging circuitry and includes a micro USB port for easy battery charging and serial communication.
It includes a USB interface for battery charging, a standard SIM card socket, and a headphone jack for headset connectivity.
The cold start time is approximately 100 seconds.
It is suitable for industrial automation, remote device monitoring, telemetry, and location-based services.
The maximum frequency it operates at is 1.9 GHz.
A LiPo or Li-Ion battery with a capacity of 500 mAh or larger is recommended.
The breakout board is compliant with RoHS standards.
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