Get to the guts The iPhone 5 comes with 4G LTE speeds, the first for the product family and the second Apple product to do so after the third-generation iPad. Instead of using separate chips for voice and data, the iPhone 5 uses one. That happens to coincide nicely with this baseband chip from Qualcomm ( NAS: QCOM ), built on a smaller 28-nanometer process that helps improve power efficiency.