based on new ideas to find out about something
experimental
having new ideas, opinions, or ways of living long before most other people do
ahead of its time
using new ideas, ways of doing something
innovative
cheap enough for people to buy or pay for it
affordable
something that proven in the past to be reliable and successful
tried and tested
the disadvantages
cons
used to replace a broken part of something
spare part
to start using a new and better version of a machine, system, etc.
upgrade
able to be used together
compatible
an aircraft without a pilot, controlled by someone on the ground
drone
the advantages
pros
old-fashioned in your ideas or methods/ outdated
behind the times