N18AP

This is the 3rd Generation iPod Touch. It was announced on September 9th, 2009. It makes a small improvement over the previous generation; adding a faster processor, doubling the ram, increasing storage capacity, etc.

Application Processor

It makes use of the S5L8922 application processor. No other known device uses this processor; however, the iPhone 3GS uses the similar S5L8920.

Wifi Chip

BCM4329 Wifi B/G/N, Bluetooth, FM Transmit/Receive