21. They also stated that they covered 121 metro areas with their Wideband LTE. 22. Ultra-wideband working group : http : / / www . uwb . org 23. It also requires mandatory support for wideband audio. 24. It transmitted at 860 MHz using wideband FM modulation and had two sound channels. 25. Optical receivers, in contrast to laser sources, tend to be wideband devices. 26. This network later became the Terrestrial Wideband Network. 27. For wideband matching several stubs may be used spaced along the main transmission line. 28. It includes integrated encryption and Wideband Networking Software to create mobile ad hoc networks. 29. Communications via Voice over Internet Protocol ( VoIP ) can readily employ wideband audio. 30. One application of spiral antennas is wideband communications.