Devices with MAC addresses that start with F4-B5-49 were manufactured by Xiamen Yeastar Information Technology Co., Ltd.

Device Manufacturer
Xiamen Yeastar Information Technology Co., Ltd.
Manufacturer Location
3/F, No. 46 Guanri Road, 2nd Software Park
Xiamen Fujian 361006
Estimated Devices using F4-B5-49
16,256,250
Estimated Total Devices From Mfg
16,256,250
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