Devices with MAC addresses that start with 28-B4-FB were manufactured by Sprocomm Technologies CO.,LTD.

Device Manufacturer
Sprocomm Technologies CO.,LTD.

Manufacturer Location
5D F1.6 Block,Tianfa Building,Tianan Chegongmiao Industrial park,Futian Dist
shenzhen guangdong 518000

Estimated Devices using 28-B4-FB
16,256,250

Estimated Total Devices From Mfg
16,256,250

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