Is it true that Unicom sends traffic by SMS?

There is this activity. After receiving the activity invitation short message and replying "WOPAIHL 100", there was an ordinary deposit of 100 yuan in the account at 0: 00 on June 30, 65438, and a gift was given the following month:

※

National flow in winter and summer vacations 1.2G:20 15, 1, February, July and August.

Give away, give away 3 10MB of national traffic every month;

10g local flow: 10 month, 1GB/ month. ※.

(Starting from 20 14, 1 1, giving away 1GB every month, and the given traffic is only for local use in Shanghai).