【What is the product model?】: Cellular Router USR806-43
【What's your application? What do you want to realize?】: radiation sensor for waste in hospital
we can not use the 3g/4g network for many mobile carrier, can i have the Asia firmware to flash it?
USR-G806-43 cannot be used in Hong Kong. I suggest you buy USR-G806-E or USR-G806-AU
USR-G806 have different models:USR-G806-E/AU and G806-A, its supported frequency bands are different.
Not related to upgrading the firmware.
Please purchase USR-G806-E or USR-G806-AU