NetComm NTC-790 User Manual page 7

RSSI (Green)
Of the three radio link status indicators, the green LED is used to show Received Signal Strength.
There are three possible states that the RSSI LED can operate in, based upon signal level:
Solid
Flashing once per second
Off
Revision 1.55
March 2009
: Indicates the RSSI level is -90dbm, or greater (strong)
: Indicates the RSSI level is -110dbm and -90dbm, (medium)
: Indicates the RSSI level is less than -110dbm (poor)
6
NetComm Limited