NRF24L01 RECEIVER - maximum distance test

//
// https://www.youtube.com/c/LeventeDaradici/videos
//

    #include <SPI.h>
    #include <nRF24L01.h>
    #include <RF24.h>
    RF24 radio(9, 10); // CE, CSN, MOSI=11, MISO=12, SCK=13
    const byte address[6] = "00001";
    void setup() {
      Serial.begin(9600);
      radio.begin();
      radio.openReadingPipe(0, address);
      radio.setPALevel(RF24_PA_MAX,1); //set as: RF24_PA_MIN, RF24_PA_LOW, RF24_PA_HIGH, RF24_PA_MAX
      radio.setDataRate(RF24_250KBPS); //set as: F24_250KBPS, F24_1MBPS, F24_2MBPS ==>250KBPS = longest range
      radio.setChannel(120); //sets channel from 2.4 to 2.524 GHz in 1 MHz increments 2.483.5 GHz is normal legal limit
      radio.startListening();
      pinMode(2, OUTPUT);
      pinMode(3, OUTPUT);
    }
    void loop() {
      if (radio.available())
         {
            digitalWrite(3, LOW);
            char text[32] = "";
            radio.read(&text, sizeof(text));
            String Data = String(text);
            Serial.println(text);
            if(Data == "ON")
              {
                 digitalWrite(2, HIGH);
                 delay(500);
              }
            if(Data == "OFF")
              {
                 digitalWrite(2, LOW);
                 delay(500);
              }

          }
      else
          {
            digitalWrite(2, LOW);
            digitalWrite(3, HIGH);
          }
    }