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[[File:The Geekworm X306-C1-IMG-9742is a premium metal case specifically designed for use with the Raspberry Pi Zero 2W and Geekworm X306 V1.3 UPS board. Crafted with precision and durability in mind, this case provides a sleek and protective housing for your Raspberry Pi Zero 2W project.jpg|700px]]
* '''Test subjects''': X306-C1 metal case* '''Test Method''': We flashed the Raspberry Pi OS Legacy (6 May 2025) version and used the script [[File:Wifi-signal-monitor.zip]] (download and unzip it) to obtain the WiFi signal strength with and without the X306-C1 metal case.* '''Other notes''': The Raspberry Pi Zero 2W motherboard is about 3.5 meters away from the router, with no obstructions in between. Use the script wifi_signal_monitor.sh to test '''2.4GHz or 5GHz frequency band''' :Since the Raspberry Pi Zero 2W only supports the 2.4GHz IEEE 802.11b/g/n WiFi band, you can only access 2.4GHz SSID hotspots. Based on the above test results, we can draw a conclusion: X306-C1 can meet the needs of devices using 2.4GHz Wi-Fi '''when close to the router''', which should be attributed to the larger heat dissipation hole design on the surface of the X306-C1 shell.
X306
,==Matching Case==
[[File: X306-C1-IMG-9736-Packing-List.jpg|500px]]
===Test of the impact of the casing on WiFi signals===
It should be noted that the metal shell will have a certain shielding effect on WiFi, and the farther the device is from the router, the greater the effect will be.
<-85 dBm: Extremely poor signal (difficult to connect or frequently disconnects).
==User Manual==