Developers, makers and hobbyists that are interested in adding Cellular GSM connectivity to their Raspberry Pi project may be interested in the Adafruit FONA Mini Cellular GSM breakout board that is available to purchase for $45.
This Adafruit FONA Mini Cellular GSM module measures only 1.75x 1.25 inches in size and packs a surprising amount of technology into its little frame allowing you to add voice, text, SMS and data to your project.
Features of the Adafruit FONA Mini Cellular GSM module include :
– Quad-band 850/900/1800/1900MHz – connect onto any global GSM network with any 2G SIM (in the USA, T-Mobile is suggested)
– Make and receive voice calls using a headset OR an external 8Ω speaker + electret microphone
– Send and receive SMS messages
– Send and receive GPRS data (TCP/IP, HTTP, etc.)
– Scan and receive FM radio broadcasts (yeah, we don’t exactly know why this was included but it works really well)
– PWM/Buzzer vibrational motor control
– AT command interface with “auto baud” detection
– Onboard LiPoly battery charging circuitry so you can take your project on the go. Use any 500mAh+ LiPoly or LiIon battery and recharge over the MicroUSB when necessary. Two LEDs let you know when its charging and done
– Standard 4-pole TRRS headphone jack. Use any ‘Android’ or ‘iPhone’-compatible headset with mic
– Breakouts for external 8Ω speaker and electret mic if you don’t want to use a headphone
– Level shifting circuitry so you can run it with 2.8V to 5V logic.
– Vibrational motor (buzzer) driver so you can have noiseless notifications
– SMA connection for external antenna
– Indicator LEDs for power and network connectivity
For more information on the new Adafruit FONA Mini Cellular GSM module jump over to the Adafruit website for details. Or the Hackaday website for a review on how the GSM Raspberry Pi hat functions.
Source: Adafruit
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