Introduction: 
       The S4EX SIM Extender  is a test and signal detection tool for SIM card. It allows a SIMcard to be  extended from the host slot for full access to the all of signal pins. 
          It’s especially  designed to save valuable labor and time in the production environment. The  S4EX is designed to minimize the signal degradation effects of the extender by  proven design techniques. Separate Vcc and ground planes provide a low  inductance path to the host’s power supply. 
          The SIM (Subscriber Identity Module) extender  has the function of over-current protection with PTC fuse. A clearly marked  jumper header allows probing of all of signal pins. It’s also a powerful tool  for engineers, or use for factory test protection.  |