The SIM card works with telephone, but cannot register to network with this module?
Answer:
Check whether your SIM card supports GSM sevice
Question:
Could it power on the module by program instead of button press manually?
Answer:
The new version support to power on/off the module by controlling the P4. Old version only support button control
The new version has a wire beside the SIM chip.
To:
Dear Customers, There may be a lag of several hours before we could process your order, depending on the time difference between your location and ours. Sincerely hoping your understanding!