modem

As nouns the difference between modem and null

is that modem is modem while null is zero, nil; the cardinal number before einn.

As a noun modem

is modem.

As an initialism usb is

(computing) universal serial bus; a serial bus standard for connecting devices.

As nouns the difference between gigabit and modem

is that gigabit is 10⁹ bits, a thousand million (1,000,000,000) bits while modem is modem.

As a noun modem

is modem.

As a verb cable is

.

As an adjective cable is

wired, cabled (connected by wires etc).

As nouns the difference between nighthawk and modem

is that nighthawk is (uk|regional) a nightjar, especially while modem is modem.

As nouns the difference between codec and modem

is that codec is a device or program capable of performing transformations on a data stream or signal while modem is a device that encodes digital computer signals into analog/analogue telephone signals and vice versa and allows computers to communicate over a phone line.

As a verb modem is

to transmit by modem.