This is the first generation iPad. It was announced on January 27, 2010, and initially ran unique versions of iOS (3.2.x).
The first generation iPad makes use of 1 GHz S5L8930 CPU (A4 chip).
Baseband (3G version)
The exact part is the Infineon 337S3754 PMB 8878 X-Gold baseband IC 5Y06115.
GPS (3G version)
The 3G-equipped iPad also contains Broadcom's BCM4750 chip.
Screen: 9.7" 1024x768 LED-backlit IPS display at 132 ppi
Size: 9.56 inches (242.8 mm) (height) x 7.47 inches (189.7 mm) (width) x 0.5 inch (13.4 mm) (depth)
Weight: 1.5 pounds (0.68 kg) Wi-Fi model; 1.6 pounds (0.73 kg) Wi-Fi + 3G model
Battery: Up to 10 hours of Internet use, one month of standby
3G: UMTS/HSDPA (850, 1900, 2100 MHz), GSM/EDGE (850, 900, 1800, 1900 MHz), data only