- AT commands- Commands used for communication between modems beginning with the letters AT (attention).
- Answer Mode- The modem transmits at a high frequency and receives at a low frequency.
- BPS- Measured in bits per second, it is the rate at which the modem communicates.
- Data Compression- Allows a modem to compress transmitted data to speed up transmission.
- Online/Offline- Refers to the state of a modem when it is connected to another modem.