You can receive short messages by radio.

You can't use the router wireless network to send and receive short messages.

Indoor signal has a great relationship with the surrounding environment, floor height and orientation. Walls, glass or other buildings will block signal coverage, which may cause weak or no signal in the house, which is also an important topic of wireless communication.

Because the working frequency band of mobile phone is completely different from that of wireless router. Just like CDMA mobile phone signal network and GSM mobile phone network are different. Therefore, it is impossible for CDMA mobile phones to insert GSM mobile phone cards, and GSM mobile phones cannot insert CDMA mobile phone cards.