HF2400-C is a new generation of short-wave wireless modems after the HF2400-A, HF2400-B developed by our company, which is a wireless data terminal designed specifically for short-wave channels, mainly used for computer data transmission, and can also be used for wireless fax services. It is better performing compared to the HF2400-A and has an increased port rate of 1800, making it smaller and more reliable than the HF2400-B.