The specs for the B618 are as follows:
Huawei B618 - LTE‑Advanced Wireless Modem
- It comes pre‑configured and ready to use. There is no complicated setup involved. You simply power it up and start surfing the world wide web.
- Device, SIM and Courier Delivery All‑Inclusive
- Uploads and Downloads - up to ~50Mbps
- Dual Band Wi‑Fi - 2.4 and 5GHz
- Connect up to 64 Wi‑Fi Devices
- WLAN antennas are fixed
- More powerful that B315
It is hard to say what the range would be as each set up is differs. The range of the signal will be effected by how many walls the signal has to travel through and what they are made of, also does the signal need to reach upstairs. Your house will be the biggest factor in your wifi range. You will also need to take into account the devices that you are trying to connect to the wifi and what the maximum range is as each device will differ. Unfortunately without testing this, one cannot be 100% sure.
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