The NB-IoT-DevKit from Olimex is an IoT board with BC-66 LTE GSM module covering all worldwide GSM bands. The board includes a built-in LiPo battery port and charging circuit, Nano SIM holder, level shifters, status LEDs and a micro-USB connector.
NB-IoT (Narrowband Internet of Things) technology is a direct competitor to LoRaWAN and SigFox and has a few advantages:
Higher speed 25.5 kbps up and downlink
Single GSM cell can connect to up to 100 000 NB-IoT nodes
Single GSM cell can cover up to 10-100km rural and 1-10km urban distance
Can work up to 10 years on a Lithium 3V battery if less than 200 bytes are sent per day
Note: All GSM cells which work with LTE can also support NB-IoT, but this requires new protocol installation and licensee fee, so not all operators provide it by default. You have to check with your local GSM operator if they offer NB-IoT. Also, the SIM card must have this protocol enabled. SIMs with LTE may or may not work with NB-IoT, this depends on your operator.
Features
BC-66 - worldwide GSM bands coverage
NB-IoT 25.5 kbps up and downlink
Ultra-low power design: only 126 uA consumption in PSM mode
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