Vendor name: Telink Semiconductor (Shanghai) Co., Ltd.

MAC Prefix: C4:19:D1

MAC Range: C4:19:D1:00:00:00 - C4:19:D1:FF:FF:FF

Type: MA-L

Address: No. 1500 Zuchongzhi Rd, Building #3
　　　　　Shanghai 201203
　　　　　 CN