Samsung SM-G991J Galaxy S21 5G UW TD-LTE JP 256GB SCG09 (Samsung Unbound M1) - Frequency Bands and Network Compatibility
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The Samsung SM-G991J Galaxy S21 5G UW TD-LTE JP 256GB SCG09 (Samsung Unbound M1) supports 4 GSM bands, 5 UMTS bands, 17 LTE bands, and 5 5G NR bands. See the tables below for details.
This device accepts the following SIM types to connect to mobile networks:
- Nano-SIM (4FF)
Run a cross-reference compatibility check of this device on a specific network and country using the following links:
Supported Frequency Bands (31)
GSM
| Name | Interface |
|---|---|
| 850 MHz | GSM |
| 900 MHz (E-GSM) | GSM |
| 1800 MHz (DCS) | GSM |
| 1900 MHz (PCS) | GSM |
UMTS
| Name | Interface |
|---|---|
| B1 (2100 MHz) | UMTS |
| B5 (850 MHz) | UMTS |
| B6 (850 MHz Japan) | UMTS |
| B8 (900 MHz GSM) | UMTS |
| B19 (800 MHz Japan) | UMTS |
LTE
5G NR
| Name | Interface |
|---|---|
| N3 (1800 MHz) | 5G NR |
| N78 (3500 MHz) | 5G NR |
| N79 (4700 MHz) | 5G NR |
| N257 (mmWave 28 GHz) | 5G NR |
| N261 (mmWave 28 GHz) | 5G NR |
