Big players on the board include:

A Broadcom BCM4329 integrating Wi-Fi, Bluetooth, and FM connectivity to provide speeds up to 50 Mbits/s in 802.11n.

Sequans SQ1210 RF combo chip.

Qualcomm's QSD8650 Snapdragon processor.

Atmel's MXT224 Touchscreen controller.

Qualcomm's RTR6500 CDMA2000 transceiver with GPS.

Qualcomm's PM7540 power management IC.