Notecard

Learn what RSSI, RSRP, RSRQ, and SINR actually measure, why signal bars can be misleading, and how to find weak devices in your fleet.

The math for estimating a cellular IoT device's battery life, a calculator for your own numbers, and how to measure the real answer with Blues Mojo.

Your product may need to know where it is, but your customers probably don't want it reporting their street address. See how Notecard can obfuscate location.

Stop including secret keys on your devices! Notehub proxy routes let your credentials live in the cloud while the device stays anonymous.

Every JSON Note repeats its field names with its values for the life of the device. Notefile templates have Notecard send fixed-length binary records instead.

Unnecessary polling drains IoT batteries. Notecard's ATTN pin lets a host MCU stay in deep sleep at µA levels and wake only when something happens.