Specification : 

Compact, Space saving and time efficient.
GSM Modem- 32 SIM MODEM each Port has 8 SIM slots.
Automatic SIM rotation.
SMS limit can be set as per requirement.
USB Interfaced.
AT Command Control.
Based on Quectel M35Quad band Industrial Module.
IMEI can be reloaded any number of times.
Works on any windows platform.
Supporting OS: Window 98 , Windows 2000, Window 2003, Windows XP,Windows Vista,Windows7,Windows.8,MAC , Linux.