Microsoft Lumia 640 3G - Frequency Bands and Network Compatibility
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The Microsoft Lumia 640 3G supports 4 GSM bands and 4 UMTS bands. See the tables below for details.
Run a cross-reference compatibility check of this device on a specific network and country using the following links:
Supported Frequency Bands (8)
GSM
| Name | Interface |
|---|---|
| 850 | GSM |
| 900 (E-GSM) | GSM |
| 1800 (DCS) | GSM |
| 1900 (PCS) | GSM |
UMTS
| Name | Interface |
|---|---|
| B1 (2100) | UMTS |
| B2 (1900 PCS) | UMTS |
| B5 (850) | UMTS |
| B8 (900 GSM) | UMTS |
