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Installing a Micro SD card
CAUTION:
To avoid damaging the Micro SD card slot, do not use excessive force when you install a Micro SD
card.
To install a Micro SD card:
1. Remove the screw on the Micro SD card slot cover and take off the cover.
2. Insert the Micro SD card into the Micro SD card slot along the guide rails.
3. Reinstall the cover and fasten the screw on the cover.
Figure 13 Installing a Micro SD card
Installing a 4G antenna
Only the JH298A and JH299A routers support 4G antennas.
To install a 4G antenna:
1. Change the angle of the antenna orientation from vertical to horizontal.
2. Attach the 4G antenna to the 4G antenna port on the router. Do not over-tighten the antenna to
avoid damage.
For better signal receiving, change the antenna orientation to vertical.
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