We have a variety of NB-IoT smart locks available. Please check the FAQ's on each page for each smartlock for the specifics of door thickness, installation instructions, requirements etc. 

If you would like to know if you live in area with NB-IoT network coverage, please check our coverage map and info page here https://www.digitalkeys.io/nb-iot-network or please get in touch with your local Digital Keys distributor or your local mobile network operator.