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WiFi101
WiFi.RSSI()
Description
Gets the signal strength of the connection to the router
Syntax
WiFi.RSSI(); 
WiFi.RSSI(wifiAccessPoint);
Parameters
wifiAccessPoint: specifies from which network to get the information
Returns
long : the current RSSI /Received Signal Strength in dBm 
Example
  #include <SPI.h>
#include <WiFi101.h>
//SSID of your network 
char ssid[] = "yourNetwork";
//password of your WPA Network 
char pass[] = "secretPassword";
void setup()
{
 WiFi.begin(ssid, pass);
  if (WiFi.status() != WL_CONNECTED) { 
    Serial.println("Couldn't get a wifi connection");
    while(true);
  } 
  // if you are connected, print out info about the connection:
  else {
   // print the received signal strength:
  long rssi = WiFi.RSSI();
  Serial.print("RSSI:");
  Serial.println(rssi);
  }
}
void loop () {}
 
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