Digi XBee3 ZigBee 3.0
Easy-to-add connectivity in a compact, low-power, low-profile footprint
XBee3 ZigBee 3.0 platform features:      
* At 13 mm x 19 mm, the new Digi XBee3 micro form factor allows for
   more compact and portable applications
* Digi XBee3 is one module for all protocols including: ZigBee, 802.15.4,
   DigiMesh and BLE, all configurable via Digi XCTU
* Eliminate the need for an external microcontroller and create smart end
   nodes and low-end gateways using MicroPython
* Intrinsic IoT security with Digi TrustFence, a layered approach securing
   the edge device, through the gateway, into and out of the IoT