Before revision: Asynchronous Transfer Mode Cable modem Dial-up internet Digital subscriber line Fiber-optic communication Frame Relay ISDN Leased line SD-WAN Synchronous optical networking X.25 AT&T conducted trials in 2017 for business use of 400-gigabit Ethernet.
After revision: Cellular URLVery small aperture terminal URLURLURLAsynchronous Transfer Mode Cable modem Dial-up internet Digital subscriber line Fiber-optic communication Frame Relay ISDN Leased line SD-WAN Synchronous optical networking X.25 AT&T conducted trials in 2017 for business use of 400-gigabit Ethernet.