| About the WAFERSTAR Hot sales products Questions and Answers  
 GSM remote control knowledge files download:  1. What is the relay output in your GSM remote control board ? how to connect the outout terminal? ---- Please check our files of Relay_control_output_faq
 2. What is the GSM remote control sets ? and why and how we use the GSM remote control device? ---- Please check our files of What's Gsm remote control
 3. How should I select the GSM remote control board ?--- 
                  You should select the device according to the numbers of the output chennel, output power maximum, also the function.
 4. GSM remote control products selection guide   
 
 |