Details
                                                                           Number of SIM slots: 1 Smart card (Mini SIM) 
                                                                           Memory card type: microSD 
                                                                                   Memory Cards: 1 
                                                                                   Serial console port: RS232 
                                                                                   Number of USB ports: 1 
                                                                                   USB Power Reset: Yes 
                                                                                   USB slot type: microUSB type AB 
                                                                                   Max USB current (A): 1 
                                 
                                                                                                           Other
                                                                           CPU temperature monitor: Yes 
                                                                           Current Monitor: Yes 
                                                                                   PCB temperature monitor: Yes 
                                                                                   Voltage Monitor: Yes 
                                                                                   Beeper: Yes