Direct Communication: Connect a data logger to a computer
Ethernet: Add TCP/IP to your datalogger network
Multi-drop: Connect many dataloggers with a single cable
Radio Frequency: UHF, VHF, spread spectrum, and ELOS
Satellite: High Data Rate GOES and Argos Transmitters
Short Haul Modems: Local hard-wired communication
Telephone: Cellular, land line, or voice telephone communications