What is GCF PTCRB?

What is GCF PTCRB?

The GCF and PTCRB are network operator founded organizations established to create third party cellular mobile device certification to ensure that a device meets a minimum set of requirements established by the members.

What is meant by global certification?

A single physical certificate that covers all or part of an issue of securities.

What does GCF mean?

greatest common factor
GCF stands for greatest common factor. The greatest common factor of two numbers is the greatest number that is a factor of both of them.