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.

10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5

Raspberry Pi Compute Module 4 Cellular Modem Carrier Board with PCIe and M.2/mini PCIe Support

ESP32-based cellular IoT board using a Telit Cinterion TX62-W LTE-M/NB-IoT modem with integrated eSIM/eUICC support, UART host control, and dedicated power/RF design blocks.

2-layer 415V agricultural motor starter controller with STM32, 4G modem, relay control, current/voltage sensing, and isolated field inputs.

Dual-rail carrier-board power supply with protected 7V to 16V DC input, 5V 5A primary buck rail, and 3.3V 3A modem buck rail.

1S LiPo USB-C Power Management and 3.3V Regulation Subsystem with SIM800L Modem, TPS61088 5V Boost for MAX98357A Audio and W25Q32 SPI MP3 Storage

Integration of EC800M-CN LTE Module via Modem_Conn Placeholders on ESP32-DevKitC Carrier with Parked Power, Control, SIM, RF, and USB Nets