Two Gq Gmc-320+v4 Geiger Counter Radiation Detector Meter Beta Gamma X Ray - Integrated Circuits - AliExpress
TOOL-076 GQ Geiger Counter Data Logger PRO Software – GQ LLC
GQ GMC-320S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter: Amazon.com: Industrial & Scientific
GMC-500 Plus Geiger Counter Radiation Monitor
GQ GMC-300E-Plus Digital Geiger Counter Nulcear Radiation Detector Monitor Meter dosimeter Beta Gamma X ray Data Logger Recorder Realtime Monitoring Test Equipment: Amazon.com: Industrial & Scientific
New GQ GMC-300E Geiger Counter Nuclear Radiation Detector Data logger Beta Gamma 723794242271 | eBay
On Digital Geiger Counters - A quick comparison between GQ GMC-600+ and Radiation Alert Ranger. What is good and what is not so hot - details in the comments. : r/Radioactive_Rocks