Sparkfun Hologram eUICC SIM Card

The Hologram eUICC SIM Card is a remarkable blend of traditional and modern technology, designed to enhance cellular service in your projects. This unique SIM card offers profile switching capabilities, allowing you to dynamically modify the subscriber profile of your chosen devices in the field, remotely. This feature is particularly beneficial for those seeking IoT cellular service without the need to switch cellular carriers. The eUICC SIM Card has a temperature range of -25C to 85C, making it adaptable to various environmental conditions. It is a Nano SIM, measuring 8.8mm x 12.3mm, perfect for a range of devices. The card is designed for durability and longevity, with a minimum of 500,000 read/write cycles and a data retention period of at least 25 years at 25°C.Currently, the eUICC features are compatible with select modules only, including the u-blox SARA-R4 module used in SparkFun LTE CAT M1/NB-IoT Shield - SARA-R4. In these specific cases, the SIM card functions as a regular SIM, providing cellular service through Hologram, without the option to switch carriers.Whether you're a hobbyist or a professional, the Hologram eUICC SIM Card is an excellent choice for IoT cellular service. Its unique ability to switch profiles over-the-air and its compatibility with select modules make it a versatile and practical addition to your technological toolkit.