for three minutes to load or unload passengers. Commercial loading zones are in effect between 6:00 AM and 6:00 PM, Sundays and City holidays excepted, unless otherwise posted. Blue Green . ONE-HOUR AND TWO-HOUR TIME LIMIT PARKING ZONES . Time limit parking zones are designated by signs. These zones are in effect 8:00 AM to 6:00 PM,
All 5 wireless providers also maintain legacy networks; of these, AT&T and T-Mobile use 2G GSM/EDGE and 3G UMTS (mostly converted to 4G HSPA+), while Verizon, Sprint, and U.S. Cellular use cdmaOne/EV-DO/1xRTT.
But not everyone has jumped on the GSM train. An alternative cellular standard known as Code Division Multiple Access, or CDMA, is used by many carriers around the world. It is most popular in the United States and Russia, but itâs also used in some Asian and African countries, often alongside competing GSM carriers.