An adapter with an RJ-11 jack built in is typically a telephone adapter or a DSL modem. These adapters are used to connect telephone lines to devices like modems or fax machines. The RJ-11 jack is designed for standard telephone connections, allowing for communication over traditional phone lines.
"RJ11"
The type of connector is used by the analog modems is RJ11 or RJ45.
rj11
This adapter is also called a TRS adapter,phone jack adapter or a 1/4" adapter among many other names. The 6.3mm jack, originally called the TRS connector was invented for use in telephone switchboards in the 20th century and is still widely used in its original ¼″ (exactly 6.35 mm) size. An adapter would connect another type of plug to the TRS plug (male or female depending on the situation.
You need a set with either a 3.5mm stereo minijack or you need to get an adapter with a male 3.5mm jack and a full sized female jack.
XJACK is a type of connector to attach a standard RJ11 or RJ45 plug directly to a PC
Connect the fax with a regular phone line to a phone jack in the wall. The type of cable is called an RJ11 cable, and it should connect both to the fax machine and to the phone outlet in the wall.
The wireless adapter cards you need would depend on what type of computer you have. Do you have a Mac or a PC? If you operate by Mac then you already have a built-in adapter card. The second question is if you have a Wi-Fi system set up.
For Argentina, you will need a Type C or Type I plug adapter.
For Indonesia, you will need a Type C or Type F plug adapter.
You will need a Type C or Type F power adapter for Iceland.
For Australia, you will need a Type I power adapter.