Devices with MAC addresses that start with B4-5C-A4 were manufactured by Thing-talk Wireless Communication Technologies Corporation Limited

Device Manufacturer
Thing-talk Wireless Communication Technologies Corporation Limited

Manufacturer Location
498 Guo Shou Jing Road, Suite 10402
Shanghai 201203

Estimated Devices using B4-5C-A4
16,256,250

Estimated Total Devices From Mfg
16,256,250

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