Which wireless technology makes use of shortrange radio transmission to connect devices within 30 feet of each other? a. WiMAX b. Bluetooth c. DSL d. WiFi GPS systems track locations by using which of...

Which wireless technology makes use of shortrange radio transmission to connect devices within 30 feet of each other?

a. WiMAX

b. Bluetooth

c. DSL

d. WiFi

GPS systems track locations by using which of the following technologies?

a. PSTN

b. Infrared

c. Satellite

d. PAN