USB dongle A7670SA support 4G LTE-CAT1 South American band
In this video you will review this amazing 4G modem or dongle. This modem actually works really great. Its chipset is good and fast enough to provide reliable speed. It supports all 4G sim cards. watch the full video to know more about it.
See the following page for more information about this product:
https://www.and-global.com/cheap-usb-dongl...