There maybe an additional fee for your message.
If you have AT&T, you can dial *3282# and receive a text message with data usage info (rates may apply).
It transmits each packet in a multipacket message independently It supports interoperability between digital devices with different data rates
Ethernet ports transfer data at rates up to 1000 mbps.
-The size of the message -The complexity of the message -The importance of the message
message
Message
Single Data Message Format
Encryption
Yes, if your phone plan pays for it then yes. Stanard text-message rates apply.
It means it's not free. It means that the standard rates for your cell phone carrier apply. In other words, whatever you normally pay for a text message will be charged.
Data source is used to convey data symbols.