ISO7812 reader Configuration: CPU:32-bit secure CPU, ARM9, 180MHz Memory: 8MB FLASH, 16MB SDRAM Display: 128×64 pixel LCD, white LED backlight and specific icon Magnetic Reader: Compliant with ISO7811, ISO7812; PSAM Slot: 2 PSAM slots,Supports PPS protocol, up to 300kbps. Contactless Card Reader(Optional): Supports Mifare, ISO 14443 A & B, Internal Wireless (Optional): GPRS / CDMA / Wi-Fi/ Synchronous: V.22bis, V.29, supports 1200/2400/9600bps Asynchronous: V.34, up to 33.6sKbps Supports PPP dial, supports full SSLv2/3 TLSv1 Supports PSTN MODEM coexists with wireless Peripheral Port : 2 RS-232, Output: 5VDC 500mA Printer: Speed: up to 28 lines/sec (84mm/sec) Paper width: 58 +0/-1mm Paper roll outside diameter: 38mm Language: Multi-Language Power Supply: Input: 100 240VAC, 50Hz/60Hz; Output: 12VDC, 3A Li-ion Battery: 2150mAh, 7.4V, Working Temperature: 0°C 50°C Storage Temperature: -20°C 60°C Dimensions: 215mm × 89.5mm × 62.8mm (L × W × H) Certification: CCC, CE, FCC, RoHS,