Difference between revisions of "AT&T Mobility"

Latest revision as of 07:14, 26 November 2023

AT&T Mobility (or AT&T Wireless) is an American telecommunication company. For general information regarding AT&T, please check out Wikipedia page: AT&T.

Antenna

AT&T has multiple contracts with different manufacturers for antenna.

UMTS Mapping Practices

AT&T's GSM and UMTS networks have been decommissioned.

GSM/UMTS Cell ID Layout
Sector ID	Band	Direction
1	850 MHz	North
2	850 MHz	South East
3	850 MHz	South West
7	1900 MHz	North
8	1900 MHz	South East
9	1900 MHz	South West

LTE Mapping Practices

Macro Tower

Macro towers are those structures designed for cellular, mobile radio, public safety and microwave operations. They are usually at high ground for good RF propagation.

eNB

eNB IDs vary by region. Under the OpenSteetMap basemap, AT&T divides the whole country into various regions (e.g., AT&T Mid-Atlantic, AT&T South). It is common that adjacent counties of the same state will use completely different conventions.

The estimated location of eNB does not necessarily mean the tower is at the nearby location. Due to terrain, weather, API and many other factors, the data may not be enough to precisely reflect the correct location. Deleting seemingly wrong eNBs with caution, as this may erase the data from other people.

Cell

Generally, AT&T strictly follows such convention on cell ID numbering (3 sectors):

Band 5: 1, 2, 3
Band 2: 8, 9, 10; 179, 180, 181; 208, 209, 210
Band 4¹/66: 22, 23, 24; 222, 223, 224
Band 12/17¹: 15, 16, 17;
Band 30: 149, 150, 151;
Band 14²: 193, 194, 195; 215, 216, 217;

1: Old band plan, recent cellphones use new band plan in almost all cases.

2: In areas without band 12 spectrum license, ATT may directly use cell 15, 16, 17 for band 14 (e.g., West Virginia, Nebraska).

If the cell tower has more than 3 sectors while only using 1 eNB, the naming pattern may be a little bit different. For example: 8, 9, 10, 11 for band 2.

Band 29 and Band 46 cannot be associated with eNB but still can be recognized by the App.

LTE Cell ID Layout
Sector ID	Band	Direction
1	850 MHz (CLR)	Northeast
2	850 MHz (CLR)	South
3	850 MHz (CLR)	Northwest
8	1900 MHz (PCS)	Northeast
9	1900 MHz (PCS)	South
10	1900 MHz (PCS)	Northwest
15	700 MHz	Northeast
16	700 MHz	South
17	700 MHz	Northwest
22	1700/2100 MHz (AWS-1)	Northeast
23	1700/2100 MHz (AWS-1)	South
24	1700/2100 MHz (AWS-1)	Northwest
43	700 MHz (Public Safety)	Northeast
44	700 MHz (Public Safety)	South
45	700 MHz (Public Safety)	Northwest
149	2300 MHz (WCS)	Northeast
150	2300 MHz (WCS)	South
151	2300 MHz (WCS)	Northwest
208	1900 MHz (PCS) (2nd carrier)	Northeast
209	1900 MHz (PCS) (2nd carrier)	South
210	1900 MHz (PCS) (2nd carrier)	Northwest
222	1700/2100 MHz (AWS-1) (2nd carrier)	Northeast
223	1700/2100 MHz (AWS-1) (2nd carrier)	South
224	1700/2100 MHz (AWS-1) (2nd carrier)	Northwest
215	700 MHz (Public Safety)	Northeast
216	700 MHz (Public Safety)	South
217	700 MHz (Public Safety)	Northwest

PCI

Small Cell / Microcell

A small cell is a radio access point with low radio frequency (RF) power output, footprint and range. It is operator-controlled, and can be deployed indoors or outdoors, and in licensed, shared or unlicensed spectrum.
This should not be confused with the "MicroCell" branded Femtocell that AT&T used to have.

Outdoor Microcell

AT&T has a consistent cell numbering scheme for outdoor small cells. Multiple microcells may share one eNB.

Small Cell
Cell ID	Band
35	2 (PCS)
63	2 (PCS)
99	2 (PCS)
49	4 (AWS)
77	4 (AWS)
115	4 (AWS)
189	66 (AWS)
190	66 (AWS)
191	66 (AWS)

Outdoor DAS

Indoor DAS

Femtocell

Like other operators, AT&T sells indoor femtocells to their customers for home use. It is currently advised to mark these femtocells as decommissioned on the map and not pin them to any location. It is also advised to not mark femtocells as a DAS as sector locations may change over time. They can be identified by their 6-digit eNB starting with 9, with multiple transmit locations across the country on a single eNB.

NR Mapping Practices

AT&T's 5G Standalone network is not available for consumer use yet. Note that it is still possible to map these networks on some devices via band locking. For best results, try locking n5 or n77 using a Verizon-based SIM card which may actively avoid locking on to Verizon's own 5G SA network.

@@ Line 1: / Line 1: @@
-AT&T Mobility is an American GSM and UMTS provider.
+AT&T Mobility (or AT&T Wireless) is an American telecommunication company. For general information regarding AT&T, please check out Wikipedia page: [[wikipedia:AT%26T|AT&T]]. [[File:AT%26T_logo_2016.svg|right|175px]]
-== GSM/UMTS Cell ID Layout ==
+== Antenna ==
+AT&T has multiple contracts with different manufacturers for antenna.
-{|border="1"
+== UMTS Mapping Practices ==
-| [[Sector ID]] || [[Frequency Band]] || [[Direction]]
+AT&T's GSM and UMTS networks have been decommissioned.
+{| class="wikitable sortable"
+|+ GSM/UMTS Cell ID Layout
+|-
+! Sector ID !! Band !! Direction
 |-
 | 1 || 850 MHz || North
@@ Line 20: / Line 27: @@
 |}
-== LTE Cell ID Layout ==
+== LTE Mapping Practices ==
+=== Macro Tower ===
+Macro towers are those structures designed for cellular, mobile radio, public safety and microwave operations. They are usually at high ground for good RF propagation.
+==== eNB ====
+eNB IDs vary by region. Under the [[wikipedia:OpenSteetMap|OpenSteetMap]] basemap, AT&T divides the whole country into various regions (e.g., [https://midatlanticregion.att.com/ AT&T Mid-Atlantic], [https://southregion.att.com/ AT&T South]). It is common that adjacent counties of the same state will use completely different conventions.
+The estimated location of eNB does not necessarily mean the tower is at the nearby location. Due to terrain, weather, API and many other factors, the data may not be enough to precisely reflect the correct location. '''Deleting seemingly wrong eNBs with caution, as this may erase the data from other people.'''
+==== Cell ====
+Generally, AT&T strictly follows such convention on cell ID numbering (3 sectors):
+* Band '''5''': 1, 2, 3
+* Band '''2''': 8, 9, 10; 179, 180, 181; 208, 209, 210
+* Band 4<sup>1</sup>/'''66''': 22, 23, 24; 222, 223, 224
+* Band '''12'''/17<sup>1</sup>: 15, 16, 17;
+* Band '''30''': 149, 150, 151;
+* Band '''14'''<sup>2</sup>: 193, 194, 195; 215, 216, 217;
+''1: Old band plan, recent cellphones use new band plan in almost all cases.''
+''2: In areas without band 12 spectrum license, ATT may directly use cell 15, 16, 17 for band 14 (e.g., West Virginia, Nebraska).''
-{|border="1"
+If the cell tower has more than 3 sectors while only using 1 eNB, the naming pattern may be a little bit different. For example: 8, 9, 10, 11 for band 2.
-| [[Sector ID]] || [[Frequency Band]] || [[Direction]]
+Band 29 and Band 46 cannot be associated with eNB but still can be recognized by the App.
+{| class="wikitable sortable"
+|+ LTE Cell ID Layout
+|-
+! Sector ID !! Band !! Direction
+|-
+| 1 || 850 MHz (CLR) || Northeast
+|-
+| 2 || 850 MHz (CLR) ||  South
+|-
+| 3 || 850 MHz (CLR) || Northwest
+|-
+| 8 || 1900 MHz (PCS) || Northeast
+|-
+| 9 || 1900 MHz (PCS) || South
+|-
+| 10 || 1900 MHz (PCS) || Northwest
+|-
+| 15 || 700 MHz || Northeast
+|-
+| 16 || 700 MHz || South
+|-
+| 17 || 700 MHz || Northwest
+|-
+| 22 || 1700/2100 MHz (AWS-1) || Northeast
 |-
-| 1 || 850 MHz || North
+| 23 || 1700/2100 MHz (AWS-1) || South
+|-
+| 24 || 1700/2100 MHz (AWS-1) || Northwest
+|-
+| 43 || 700 MHz (Public Safety) || Northeast
+|-
+| 44 || 700 MHz (Public Safety) || South
+|-
+| 45 || 700 MHz (Public Safety) || Northwest
+|-
+| 149 || 2300 MHz (WCS) || Northeast
+|-
+| 150 || 2300 MHz (WCS) || South
+|-
+| 151 || 2300 MHz (WCS) || Northwest
+|-
+| 208 || 1900 MHz (PCS) (2nd carrier) || Northeast
+|-
+| 209 || 1900 MHz (PCS) (2nd carrier) || South
+|-
+| 210 || 1900 MHz (PCS) (2nd carrier) || Northwest
+|-
+| 222 || 1700/2100 MHz (AWS-1) (2nd carrier) || Northeast
+|-
+| 223 || 1700/2100 MHz (AWS-1) (2nd carrier) || South
+|-
+| 224 || 1700/2100 MHz (AWS-1) (2nd carrier) || Northwest
+|-
+| 215 || 700 MHz (Public Safety) || Northeast
+|-
+| 216 || 700 MHz (Public Safety) || South
 |-
-| 2 || 850 MHz ||  South East
+| 217 || 700 MHz (Public Safety) || Northwest
 |-
-| 3 || 850 MHz || South West
+|}
+==== PCI ====
+=== Small Cell / Microcell ===
+A small cell is a radio access point with low radio frequency (RF) power output, footprint and range. It is operator-controlled, and can be deployed indoors or outdoors, and in licensed, shared or unlicensed spectrum.<br>
+This should not be confused with the "MicroCell" branded Femtocell that AT&T used to have.<br>
+==== Outdoor Microcell ====
+AT&T has a consistent cell numbering scheme for outdoor small cells. Multiple microcells may share one eNB.<br>
+{| class="wikitable sortable"
+|+ Small Cell
 |-
-| 8 || 1900 MHz || North
+! Cell ID !! Band
 |-
-| 9 || 1900 MHz || South East
+| 35 || 2 (PCS)
 |-
-| 10 || 1900 MHz || South West
+| 63 || 2 (PCS)
 |-
-| 15 || 700 MHz || North
+| 99 || 2 (PCS)
 |-
-| 16 || 700 MHz || South East
+| 49 || 4 (AWS)
 |-
-| 17 || 700 MHz || South West
+| 77 || 4 (AWS)
 |-
-| 22 || 1700/2100 MHz || North
+| 115 || 4 (AWS)
 |-
-| 23 || 1700/2100 MHz || South East
+| 189 || 66 (AWS)
 |-
-| 24 || 1700/2100 MHz || South West
+| 190 || 66 (AWS)
 |-
+| 191 || 66 (AWS)
 |}
+==== Outdoor DAS ====
+==== Indoor DAS ====
+=== Femtocell ===
+Like other operators, AT&T sells indoor femtocells to their customers for home use.
+It is currently advised to mark these femtocells as '''decommissioned''' on the map and not pin them to any location. It is also advised to '''not''' mark femtocells as a DAS as sector locations may change over time.
+They can be identified by their 6-digit eNB starting with 9, with multiple transmit locations across the country on a single eNB.
+== NR Mapping Practices ==
+AT&T's 5G Standalone network is not available for consumer use yet. Note that it ''is'' still possible to map these networks on some devices via band locking. For best results, try locking n5 or n77 using a '''Verizon'''-based SIM card which may actively avoid locking on to Verizon's own 5G SA network.
+== See Also ==
+* [[T-Mobile US]]
+* [[US Cellular]]
+* [[Verizon Wireless]]