# SoftBank Robotics documentation What's new in NAOqi 2.8?

# Connectivity

## Ethernet

### Main usage

Setting the WiFi connection.

### Specification

1×RJ45 - 10/100/1000 base T.

### Location

Ethernet port
  To access to the Ethernet port, remove the hatch behind the head of the robot.

## WiFi

### Main usage

Communication between Choregraphe and the robot.

### Specification

IEEE 802.11 a/b/g/n

Security: 64/128 bit: WEP, WPA/WPA2.

## USB

### Main usage

Usually used to update the system of the robot, you can also use the USB port to connect external devices such as:

- Kinect or Asus 3D sensor, or
- Arduino device. See an example of implementation provided by our partner: http://www.humarobotics.com/en/robotics-lab/nao-and-arduino.html

### Location

USB port
  To access to the USB port, remove the hatch behind the head of the robot.

Hatch behind the head of the robot

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