Tim has been contracted to install a wireless connection at the head office of Travis Roadways. The head office is located in between two manufacturing units because of which there is a lot of noise in the wireless Analyze the RSSI $($received signal strength indicator$)$ level required for Tim to establish the connection functional as per the requirements.

The RSSI level should at least be $-80$ dBm $.$

The RSSI level should at least be $-90$ dBm $.$

The RSSI level should at least be $-50$ dBm $.$

The RSSI level should at least be $-70$ dBm $.$