Ruggedized battery-powered PeakNode 1 LoRa PWAN node with SX1262 LoRa mesh over SPI, LTE Cat-M1/NB-IoT modem, GNSS, LPCNet-capable audio path, USB-C charging and LiFePO4 power management. Targets a 4-layer 90 mm x 60 mm IPC Class 2 layout with 3.3 V main and 1.8 V I/O rails, dual SMA antennas, two RGB status LEDs, three tactile buttons, low-leakage power architecture for sub-10 uA sleep, and defined RF keep-out zones under the LoRa and LTE antenna regions.

Arctic Tank Monitor — low-power nRF9160 LTE-M sensor node for -40°C tank monitoring. Battery powered from a 3.6 V Li-SOCl2 cell, with TMP117 ambient sensing, external I2C ultrasonic sensor interface, nano-SIM, U.FL LTE antenna, and SWD programming.