In the datasheet you can read information around ultrasonic distance sensor, serial output, the echo sensor, ultrasonic, and sensor. The datasheet contains information around range, distance sensor, baud rate, and measurement.
Lots of information regarding output data, distance, output, and interfacing are presented inside the datasheet. The following are selected from the datasheet:
ECHO SENSOR FEATURES • Professional EMI/RFI Complaint PCB Layout Design for Noise Reduction • Range: 2 cm to 4 m • Accurate and Stable range data • Data loss in Error zone eliminated • Modulation at 40 KHz • Mounting holes provided on the circuit board • Automatically Triggered every 500 ms • 5V DC Supply voltage • Current – < 20mA • ASCII output at 9600 Baud Rate • Outputs distance in centimeters (cm) • On Board Burst LED Indicator shows measurement in progress • 3-pin header makes it easy to connect using a servo extension cable, no soldering required We bring the world to you..
Even more, this datasheet contains more regarding echo sensor, signal, error, and ultrasonic distance.