bGeigieCast

Available at Link

• An extension module to use your mobile bGeigieNano as a fixed sensor!
• Adds Wi-Fi and Bluetooth (BLE) to a bGeigieNano.
• Open Source software and Open Source hardware. 
• For real-time reporting/sending data to the Safecast API in fixed and mobile mode.
• Easy to program and change code for other APIs due to the USB-C connector.
• Needs to be soldered together to use it.

User manual and other documentation on the Github Wiki:

• User manual
• Quick start guide
• Set up your development environment