The date after the cmiit id is not the production date.
cmiit id is the radio transmitting equipment type approval code.
Radio transmitting equipment is defined as all kinds of equipment that emits radio waves, but does not include industrial, scientific research, medical equipment, electrified transportation systems, high-voltage power lines and other electrical devices that can radiate electromagnetic waves.
Radio transmitting equipment, including cell phones, Bluetooth headsets, wireless routers, wireless network cards and other wireless products are reflected. Radio refers to electromagnetic waves that propagate in all free space and is one of the finite frequency bands, with an upper frequency limit at 3 THz and a less uniform lower frequency limit.
Approval number:
SRRC according to China's "Management Regulations on Imported Radio Transmitting Equipment" and "Management Regulations on Production of Radio Transmitting Equipment", in order to strengthen the management of imported and production of radio transmitting equipment, where the radio transmitting equipment exported to the People's Republic of China*** and the State, or in the People's Republic of China*** and the State of the radio transmitting equipment produced.
Must be held by the State Radio Regulatory Commission for its emission characteristics of the type approval issued by the "radio transmitting equipment type approval certificate". Factory equipment shall be marked on the label type approval code.