| 851710 | 851710 - Telephone sets |
| 851711 | 851711 - Line telephone sets with cordless handsets |
| 851712 | 851712 - Telephones for cellular networks or for other wireless networ |
| 851713 | 851713 - Telephone sets; smartphones for cellular or other wireless ne |
| 851714 | 851714 - Telephone sets; other than smartphones, for cellular or other |
| 851718 | 851718 - Telephone sets n.e.c. in item no. 8517.1 |
| 851719 | 851719 - -- Other |
| 851720 | 851720 - Teleprinters |
| 851721 | 851721 - -- Facsimile machines |
| 851722 | 851722 - -- teleprinters |
| 851730 | Telephonic or telegraphic switching apparatus |
| 851740 | 851740 - Apparatus, for carrier-current line systems, nes |
| 851750 | Other apparatus, for carrier-current Line systems or for digital Line |
| 851761 | 851761 - Base stations |
| 851762 | 851762 - Communication apparatus (excluding telephone sets or base sta |
| 851769 | 851769 - Communication apparatus (excluding telephone sets or base sta |
| 851770 | 851770 - Telephone sets and other apparatus for the transmission or re |
| 851771 | 851771 - Communication apparatus; parts, aerials and aerial reflectors |
| 851779 | 851779 - Communication apparatus; parts, other than aerials and aerial |
| 851780 | Other apparatus |
| 851781 | 851781 - Telephonic apparatus, nes |
| 851782 | 851782 - Telegraphic apparatus, nes |
| 851790 | parts |