What SMS does China Mobile 39 yuan Package send with 300 megabytes of traffic?

Yunnan Mobile 39 yuan has no Internet package. You can edit "G20" to handle 20 yuan package150m; ; "G30" handles the 280m 30 yuan package. If it is not enough, you can edit "G2" to handle 2 yuan package 15M superimposed package. The superposition package can be handled 20 times a month, that is, 20 times can get an additional 300M of traffic. It will not take effect until it is handled, and it can only be used in the current month.