| Answer | Crossword Clue |
|---|---|
| DIGITALNETWORK | High-tech communications system |
| COMPUTERNETWORK | High-tech office system |
| AWACS | High-tech system on U.S. recon planes |
| SHIPTOSHORE | Communications system. |
| RADIO | Communications system. |
| CBS | Communications system. |
| TELETYPE | Communications system. |
| THEGRAPEVINE | Communications system. |
| NETWORK | Communications system |
| TELEX | Outmoded communications system |
| TELEX | Pre-fax communications system |
| ETHERNET | Early computer communications system |
| TELEX | Communications system of the past |
| HEDYLAMARR | Glamour girl who invented a communications system during WWII |
