1.4 Flashcards
1
Q
Bluetooth
A
Bluetooth is a way of exchanging data without wires(short range communication
It uses a special radio frequency to transmit data
It is quite secure and can connect up to 8 devices at the same time.
2
Q
INFRARED
A
used in TV remotes etc
direct line of sight
short distance
3
Q
GSM
mobile data basically
A
allowing for mobile phones to connect to a network for calls and messages
4g,5g
