metfone 3G USB Modem Quick Manual page 24

Temperature
Dimension
Weight
microSD capability

Notes:

microSD is a trademark of SD Card Association.
 Getting to know your device
The following figure shows the appearance of the MF190S. It is only for your reference. The actual product may
be different.
Storage: -40 ℃ ~ +80 ℃
Operation:-10 ℃ ~ +60 ℃
76 mm * 26 mm * 11 mm (without cap)
About 26 g
Support up to 32GB microSD card