Narrowband internet of things (NB-IoT) technology is widely used in data communications for a large number of low-speed and low-power devices. but it is diff cult to provide services for remote areas that cannot be covered by terrestrial networks. With its global coverage and low cost. the LEO satellite constellation can supplement and expand the terrestrial NB-IoT infrastructure. https://parisnaturalfoodes.shop/product-category/soy-free-vegenaise/