What this means
The IEEE assigned the MA-L block 1897FF to TechFaith Wireless Technology Limited. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 18:97:FF, it is TechFaith Wireless Technology Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 1897FF?
1897FF is registered to TechFaith Wireless Technology Limited in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. TechFaith Wireless Technology Limited's block covers 16,777,216 addresses.
What devices use 1897FF?
Any network device with a MAC address starting 18:97:FF was manufactured by or for TechFaith Wireless Technology Limited.