HONDA 433MHZ receive signals

const int rxPin = 2;  //RX pin of RF receiver module
const int txPin = 3;  //TX pin of RF transmitter module
const int ledPin = 13;  //pin on which LED is connected
int val;  //variable to store received data

void setup() {
  //initializing serial communication
  Serial.begin(9600);
  pinMode(ledPin, OUTPUT);
  //pinMode(rxPin, INPUT);
  //pinMode(txPin, OUTPUT);
}

void loop() {
  //read data from receiver and store in val
  val = digitalRead(rxPin);
  Serial.println(val);
  //if data=0, turn off led
  if (val == 0){
    digitalWrite(ledPin, LOW);
  }
  //if data=1, turn on led
  if (val == 1){
    digitalWrite(ledPin, HIGH);
  }
  delay(1);
}