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.
Verizon, AT&T, T-Mobile, and Sprint sell SIM cards through their retail channels in-store and online however the selection of devices compatible with Verizon and Sprint networks is limited. AT&T has announced definitive plans to shutdown their legacy GSM/EDGE 850 MHz and 1900 MHz networks by January 1, 2017.