TCL 20 5G Global Dual SIM TD-LTE 256GB T781K (TCL T781) Compatibility on AT&T (Mexico) Mobile Network
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Device Model
TCL 20 5G Global Dual SIM TD-LTE 256GB T781K (TCL T781)
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Carrier
AT&T
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Country
Mexico 
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TCL 20 5G Global Dual SIM TD-LTE 256GB T781K (TCL T781) is compatible with 4 out of 9 bands on AT&T (Mexico). See the tables below for details.
Frequency Bands Used by AT&T (Mexico)
Select a band or interface for more details
UMTS
Compatibility - 2 out of 3 bands supported
| Interface | Name | Supported by device? |
|---|---|---|
| UMTS | B2 (1900 MHz PCS) | Yes |
| UMTS | B4 (1700/2100 MHz AWS 1) | No |
| UMTS | B5 (850 MHz) | Yes |
Supported UMTS Protocols
| Name | Generation | Supported by device? |
|---|---|---|
| UMTS | 3G | Yes |
| HSPA+ | 3.5G (4G speed) | No |
LTE
Compatibility - 2 out of 4 bands supported
| Interface | Name | Supported by device? |
|---|---|---|
| LTE | B2 (1900 MHz PCS) | No |
| LTE | B4 (1700/2100 MHz AWS 1) | No |
| LTE | B7 (2600 MHz) | Yes |
| LTE | B38 (TD 2600 MHz) | Yes |
Supported LTE Protocols
| Name | Generation | Supported by device? |
|---|---|---|
| LTE | 4G | Yes |
| LTE-A | 4G | No |
5G NR
Compatibility - 0 out of 2 bands supported
| Interface | Name | Supported by device? |
|---|---|---|
| 5G NR | N38 (2600 MHz) | No |
| 5G NR | N78 (3500 MHz) | No |
* A matching frequency band does not guarantee coverage. There may be additional network or device software restrictions that prevent a device from connecting on a certain frequency. Additionally, certain bands may only be available regionally within a country.
