The InFocus A1s M505 Dual SIM TD-LTE supports 3 GSM bands, 2 UMTS bands, and 4 LTE bands. See the tables below for details.

This device accepts the following SIM types to connect to mobile networks:

  • Micro-SIM (3FF)
  • Mini-SIM (2FF)

Run a cross-reference compatibility check of this device on a specific network and country using the following links:



Supported Frequency Bands (9)

GSM

Name Interface
900 MHz (E-GSM) GSM
1800 MHz (DCS) GSM
1900 MHz (PCS) GSM

Supported GSM Protocols

Name Generation
GPRS 2.5G
EDGE 2.5G

UMTS

Name Interface
B1 (2100 MHz) UMTS
B8 (900 MHz GSM) UMTS

LTE

Name Interface
B1 (2100 MHz) LTE
B3 (1800 MHz +) LTE
B40 (TD 2300 MHz) LTE
B41 (TD 2500 MHz) LTE


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