What is the sending speed of the short message machine?

One group has five single-port devices, and each device takes an average of 2 seconds. Send 1800 text messages an hour. Thank you for your interest in telecom products. I wish you a happy life. If the above information can't solve your problem, you can also log in to Guangdong Telecom Mobile Mall () to seek help from online customer service, which is available 7X24 hours a day!