Year: Late 2013 and early 2014
Capacity: 16 GB, 32 GB, 64 GB, 128 GB
Model number (on the back cover):
A1474 on the iPad Air Wi-Fi
A1475 on the iPad Air Wi-Fi + Cellular
A1476 on the iPad Air Wi-Fi + Cellular (TD-LTE) — released early 2014
White or black front bezel
The nano-SIM tray is on the right-hand side on iPad Air Wi-Fi + Cellular
FaceTime HD camera, back Wide camera*
 
See the tech specs for iPad Air.