- Global Access
PTCRB, GCF and Open Development Program are Mobile Network Operators requirements to accept LTE, GSM/W-CDMA/CDMA device onto their networks.Those requirements aren’t mandatory but either commercial requirements by mobile operators such as AT&T, Verizon, T-Mobile, Telefonica and Vodaphone.
In addition, in some countries, registration to Mobile networks required also a government approval. In China, any product integrated with a Cellular modem required to follow CTA (NAL) testing & certification by law.
According to the new provision published, all Radio certificate holder must be registered Chinese companies.
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