HT138 Handheld data collector with barcode scanner, WiFi, cradle Handheld Computer hardware configuration& Technical Parameters Product Size 162mm× 62mm× 31mm weight 150g without battery CPU efficient ARM core Philips LPC2200 dominant frequency75Mhz Memory RAM/ ROM 256K/ 2M FLASH 32M Extend Memory to 512M Screen LCD 160* 160 dot matrix disply 20* 20 characters or10* 10 Chinese characters Keyboard 22 keys, ergonomic keyboard night viewing LED keyboard light Power 1600mAH lithium battery Charger USB battery charging adapter communication interface standard layout USB RS232 serial port RS485, infrared RFID Sealed Standard IP54 shockproof 1.5m performance parameter Interface RS-232 and USB standard port input method English / T9Chinese characters input method integration GBK big character etc follow requests Operate System " proprietary intellectual property rights -JBOS operating system Easy to reprogram for different requirement" Second exploitation support C/ C+ + , SimdevSuite imaging simulation development software real-time clock