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.
The Main GSM And CDMA Frequencies If you're a Verizon Customer, an AT&T Customer, a T-Mobile customer, and so on and so forth, you're already using GSM or CDMA technology and you may not even realize it. GSM and CDMA are the two main cellular technologies used by mobile operators around the world.