Battery 1200g: N/A 1202g Scanner: 1800 mAh Li-ion minimum 1202g Base: N/A Expected Operation Time 1202g: 12 hours Expected Charge Time 1202gi: 4. hours Number of Scans 1202g: Up to 45,000 scans per charge Host System Interfaces 1200g: Multi-Interface / Includes RS232 (TTL +5V, 4 Signals) / KBW / USB (HID Keyboard, Serial, IBM OEM); RS-232C (+/-12V) and IBM RS485 supported via adapter cable 1202g Scanner: N/A 1202g Base: USB, Keyboard Wedge, RS232, IBM 46xx (RS485) BLUETOOTH 1452g Radio/Range: 2.4 to 2.5 GHz (ISM Band) Adaptive Frequency Hopping Bluetooth v2.1: Class 2: 10 m (33 ft) line of sight 1452g Radio/Range: Up to 3 Mbps