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Equips your microcontroller with access to data networks across the globe
This shield adds wireless, high-bandwidth cellular functionality to your IoT project
Allows you to easily incorporate it with favorite device
Designed to provide cellular communication to small IoT devices
Additionally, both the module and library support an I2C GPS interface
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Product description
The SparkFun LTE CAT M1/NB-IoT Shield equips your microcontroller with access to data networks across the globe. This shield adds wireless, high-bandwidth cellular functionality to your IoT project while maintaining low power consumption and a small footprint. The SparkFun LTE CAT M1/NB-IoT Shield is based off the microcontroller R3’s footprint that allows you to easily incorporate it with your favorite device. At the heart of the LTE Cat M1/NB-IoT shield is a u-blox SARA-R410M-02B LTE Cat M1/NB-IoT modem. Cat M1 (Category M1) and NB-IoT (Narrowband IoT) are both Low Power Wide Area Network (LPWAN) technologies that are designed to provide cellular communication to small IoT devices. They operate on LTE network bands just like most smartphones, and should be supported by most cellular network carriers. The u-blox SARA-R4 module communicates over a UART via a simple AT command set. We’ve provided a library to help you get started with everything from sending SMS text messages to communicating with servers over a TCP/IP connection. Additionally, both the module and library support an I2C GPS interface via a Qwiic connector, so you can plug in a u-blox GPS module and start remotely tracking your project. Each SparkFun LTE CAT M1/NB-IoT Shield also includes a ceramic, Molex 1462000001 SMD antenna. The antenna has a gain of 3.8dBi around 1.7GHz to 2.7GHz. However, if you would prefer to use an external antenna, we have provided a U.FL connector that can be utilized by simply slicing through a jumper with a hobby knife. Please be aware that there are a few extra parts required to get this shield fully functioning. First, you’ll need to supply your own SIM card, such as this one from Hologram (we do also offer this shield with an included one as well) and your own headers which will need to be soldered on. Note: Be sure to check the Hardware Overview section in the Hookup Guide for compatible GPS module
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Professor Chatrath offers expertise in all aspects of general ENT as well as providing specialist advice in nasal and sinus disorders (including blocked nose, sinus surgery, balloon sinuplasty and cosmetic rhinoplasty), paediatric ENT, voice disorders and facial cosmetic surgical and non-surgical procedures. Consultations can be arranged at hospitals and clinics in London and Essex.
