Oregano is a plant. The leaf is used to make medicine. Oregano is used for respiratory tract disorders such as coughs, asthma, croup, and bronchitis. It is also used for gastrointestinal (GI) disorders such as heartburn and bloating.
Dual-Band Cellular/PCS and single-band PCS equipment is compatible with traditional T-Mobile GSM/EDGE service. Other carriers 3G service (AT&T, Verizon Wireless, Sprint PCS, etc) operate on the standard cellular/PCS frequency bands and can use normal dual-band equipment. More information on T-Mobile 3G frequency.
Smartphones and smart cordless phones also use gigahertz to describe the Wi-Fi frequencies that are compatible with the devices. Most Wi-Fi devices operate in the 2.4-GHz band, but some also work in the 5.8-GHz range. Choosing a phone with a 5.8-GHz designation is preferable because it indicates compatibility with both 2.4-GHz and 5.8-GHz routers.