Adafruit FONA 800 uFL Shield Starter Pack

The Adafruit FONA 800 uFL Shield Starter Pack bundles the FONA 800 Shield with all the accessories you need to add 2G cellular voice, text, SMS, and data to your Arduino project. The shield plugs directly onto any classic Arduino or compatible board, with a uFL antenna connector for a compact external GSM antenna.

Built around the SIM800 quad-band GSM module (850/900/1800/1900 MHz), the FONA 800 Shield includes LiPo battery charging with a power switch, level shifting for Arduino-safe operation, a TRRS headphone jack, vibration motor driver, and FM radio reception. It communicates via AT commands over serial with auto baud detection.

Key Features

• SIM800 Quad-Band GSM – 850/900/1800/1900 MHz for global 2G network connectivity
• Arduino Shield Form Factor – Plugs directly onto Arduino UNO and compatible boards
• Voice, SMS, and Data – Make/receive calls, send/receive SMS, GPRS data (TCP/IP, HTTP)
• FM Radio Receiver – Built-in FM broadcast scanning and reception
• LiPo Battery Charging – On-board charger with power switch and charge status LEDs
• Level Shifting – Arduino-safe logic level conversion built in
• uFL Antenna Connector – For slim external GSM antenna
• TRRS Headphone Jack – Standard 4-pole jack for Android/iPhone-compatible headsets
• Speaker + Mic Breakouts – Pads for external 8 Ω speaker and electret microphone
• Vibration Motor Driver – PWM/buzzer output for silent notifications

Also Available

• FONA 800 Breakout Starter Pack – SMA Version
• FONA uFL Breakout Starter Pack
• FONA 808 Shield – GSM + GPS for Arduino (with GPS)
• FONA 3G – European Version (3G + GPS)

Ideal For

• Getting started with cellular IoT on Arduino
• Voice and SMS-enabled devices
• Remote data logging over GPRS

Package Contents

• 1× Adafruit FONA 800 Shield (Voice/Data Cellular GSM for Arduino)
• 1× Slim sticker-type GSM quad-band antenna (3 dBi, uFL)
• 1× Lithium-ion polymer battery (3.7 V, 1200 mAh)
• 1× Mini metal speaker (8 Ω, 0.5 W)
• 1× Wired miniature electret microphone
• 1× Cell phone TRRS headset with microphone
• 1× Vibrating mini motor disc