In what year was China's second brother's mobile phone GC87C listed in China?

Motorola GC87C, the world's first Chinese short message receiver, 1998+ 10 was listed in China in October, with a network frequency of 900/ 1800 MHz. It is the first all-chinese numerals telephone, and it is also the first telephone to receive and check Chinese short messages (but it does not have the function of sending Chinese short messages). At that time, the advantages of BP machine and mobile phone were integrated.