Particle Xenon IoT Development Kit - KIT-15073 - SparkFun Electronics

The Particle Xenon is a low-cost mesh-enabled development kit.

Particle IoT Starter Kit – Particle Retail

Particle Xenon IoT Development Board (Mesh+Bluetooth) - DFRobot

Particle Xenon

Particle Photon (Headers) - WRL-13774 - SparkFun Electronics

Friday Product Post: It's Elemental, My Dear Watson - News - SparkFun Electronics

Buy SparkFun (PID 15170 Edge Development Board - Apollo3 Blue Online at Low Prices in India

Particle Xenon IoT Development Board (Mesh+Bluetooth) - DFRobot

Particle Xenon Kit - nRF52840 with BLE and Mesh : ID 3995 : $25.00 : Adafruit Industries, Unique & fun DIY electronics and kits

Argon, IoT Starter Kit – Particle Retail

Wireless and IoT - page 6 - SparkFun Electronics

SparkFun Atmospheric Sensor Breakout - BME280 from MindKits New Zealand