Adafruit FONA 3G Cellular Breakout - European version

The Adafruit FONA 3G Cellular Breakout (European Version) is an all-in-one 3G cellular modem with integrated GPS, supporting dual-band UMTS/HSDPA on 900/2100 MHz WCDMA for use on European and Australian 3G networks. It also provides quad-band 2G GSM fallback (850/900/1800/1900 MHz).

Built around the SIM5320E module, this compact 1.75 × 1.6-inch breakout provides voice calling, SMS, GPRS data, and GPS geolocation in a single board. It features built-in level shifting (2.8–5 V logic), LiPo battery charging via Micro-USB, native USB serial with AT command and GPS NMEA ports, and indicator LEDs for power and network status.

Key Features

• 3G European Bands – Dual-band UMTS/HSDPA 900/2100 MHz WCDMA + quad-band 2G GSM fallback
• Integrated GPS – Qualcomm PM8015, 16 channels, ~2.5 m accuracy, ~1 s hot start
• Voice, SMS, and Data – Make/receive calls, send/receive SMS, GPRS data (TCP/IP, HTTP)
• Native USB – Serial ports for AT commands, GPS NMEA, and modem access
• LiPo Battery Charging – On-board charger via Micro-USB; requires 500 mAh+ battery
• Level Shifting – Works with 2.8–5 V logic levels
• TRRS Headphone Jack – Standard 4-pole jack for Android/iPhone-compatible headsets
• Speaker + Mic Breakouts – Pads for external 8 Ω speaker and electret microphone
• uFL Antenna Connectors – Separate uFL ports for GSM and GPS antennas
• Standard SIM Slot – Accepts a mini SIM card (2G or 3G)
• AT Command Interface – Controllable via UART from any 3–5 V microcontroller

GPS Specifications

• Channels: 16 acquisition
• Signal: GPS L1 C/A code
• Tracking Sensitivity: −157 dBm
• Cold Start Sensitivity: −144 dBm
• TTFF Cold Start: ~100 s typical
• TTFF Hot Start: ~1 s typical
• Accuracy: ~2.5 m

Also Available

• FONA 3G American Version (850/1900 MHz WCDMA)
• FONA 808 – Mini Cellular GSM + GPS Breakout (2G, easier to use)
• FONA Mini Cellular GSM Breakout – uFL Version

Required Accessories (Not Included)

• 2G or 3G mini SIM card
• LiPo battery – 500 mAh or larger
• Micro-USB cable for charging and USB communication
• External uFL GSM antenna
• External active GPS antenna (uFL; may need uFL-to-SMA adapter)

Ideal For

• IoT projects requiring cellular data on European/Australian 3G networks
• GPS asset tracking and geolocation
• Remote sensing and telemetry
• Voice and SMS-enabled embedded devices

Package Contents

• 1× Adafruit FONA 3G Cellular Breakout – European Version