User Manual
PORTABLE
3G/WIFI AP
MT4220
2
EN
Overview
Name Status Description
1 Standard SIM card slot Support 3G/2G standard SIM card.
2 TF card slot Support Micro SD card
3 Standard USB interface Connect power adaptor, car charger or computer.
4 3G status indicator
Green
Always on Indicate failed to connect 3G/2G network (network signal is
weak or SIM card can’t be detected.)
Flash slowly Indicate 3G/2G network is founded, but is not connected.
Flash quickly Indicate 3G/2G network is connected successfully.
5 WiFi status indicator
Red
Always on Indicate WiFi starts up normally.
Flash Indicate some terminals connect to WiFi successfully.
Always o Indicate working in Dongle mode or WiFi works abnormally.
3
EN
Operating modes
There are two working modes: “dongle”and
“WiFi”. Please note that device can work only
in one selected mode.
■ Device can work as standard 3G USB modem with one PC computer – “dongle
mode”.
■ Device can work as 3G WiFi Access Point,
you only need to provide power supply
DC 5V like USB power adaptor, USB car
charger or USB port in your PC. Device will
broadcast WiFi network with internet access for multiple users.
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