N90AP

This is the iPhone 4. Announced on WWDC keynote in June 2010. It features a new exterior design, 5-megapixel camera with LED flash, the 960x640 Retina Display screen and FaceTime Video Calls

Application Processor

It uses the Apple A4 CPU, same as the iPad.

Baseband

It uses an unknown baseband chip, but it's not the X-Gold 608, since the baseband version in 4.0 GM is 01.59.00.

Specifications

Color: Black or white
Size: 115.2 mm (4.5 inches) (h), 58.6 mm (2.31 inches) (w), 9.3 mm (0.37 inches) (d)
Weight: 135 g (4.8 oz)
Battery: Standby up to 300 hours, talk time up to 7 hours on 3G and up to 14 hours on 2G
Rear camera: 5MP with Autofocus and manual focus (Tap to focus), supporting HD video recording @ 30FPS
Front camera: VGA photos and video @ 30 FPS, supporting FaceTime Video Calls