... of shell, antenna, battery, AC adaptor, PCB and components, GSM module, thermal printer and firmware, among them, only PCB and firmware ... ’s property rights because these parts inside such as GSM module, shell, antenna, thermal printer is designed and manufactured by ... Standalone device, no need to connect to PC8) 128*64 LCD Display, 24 keys, menu operation interface, easy operationTechnical indices1) ...