M

Mbit/s
1000000 bits per second

MCPC
Multiple Channels Per Carrier. A system that time division multiplexes data from several sources into a single aggregate bitstream which is sent to the satellite on one carrier.

MEO
Medium Earth Orbit

Mesh
A network in which peer stations are directly connected. cf:star network

MHz
1000000 cycles per second

MIB
Management Information Base. A database of statistics and configuration values manipulated by an SNMP system

Microwave
An electromagnetic signal with a wavelength measured in mm.

Modem
MOdulator-DEModulator; used to modify a carrier such that it represents the data to be sent and recovers that data when receiving.

Modulation
The process of converting data into a form suitable for transmission by using it to modify some characteristic of a carrier.

MTBF
Mean Time Between Failures. A statistical measure of the reliability of a device or system

Multiplexing
The combination of data from a number of sources into a single data stream, or aggregate, for onward transmission

MUX
Multiplexor