As for communications, HTC and Samsung are mostly on par, with a few major exceptions. Both employ 802.11ac, the spec that promises 1 Gb/s Wi-Fi speeds. Both also include dual-band Wi-Fi a/b/g/n, NFC, MHL, USB 3.0, Bluetooth 4.0 and 4G LTE on AT&T, Sprint, T-Mobile and Verizon. Both also incorporate an infrared emitter for controlling electronics. HTC adds DLNA for streaming media; Samsung provides its own protocol. Samsung also includes a feature it calls Download Booster, which bonds 4G and Wi-Fi channels to create a 450-Mbps connection to quicken bursty apps and large downloads.