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Step 4: Install SIM and SD cards
As indicated on the panel, install SIM card and SD card into its respective place. According to the device's
communication configuration, install the related SIM card, such as WCDMA, EVDO or TD-SCDMA in 3G
version, as well as TDD-LTE or FDD-LTE in 4G version. The SD card is mainly used to back up video files
when the HDD is exceptional (the SD card is located on the communication board and only present in
models with 3G/4G module supported).
Mobilemule™
5500/
8150