Appendix A — Specifications and Default Settings
CN4 Mobile Computer User’s Manual 103
Touch Screen Specifications
Transflective TFT; QVGA color with touch panel; 240 x 320 pixels; 8.9
cm (3.5 in) diagonal active area; 5-level LED backlight control with
settings
Electrical Specifications
External charge power: 5 V +/- 5% @3.5 A max (18 W max)
Environmental
Operating temperature: -20 °C to 60 °C (-4 °F to 140 °F)
Storage temperature: -20 °C to 70 °C (-4 °F to 158 °F)
Humidity: 5% to 95% non-condensing
Rain and dust resistance: IP64 compliant
Drop specifications: 26x all faces, sides, and corners from 1.8 m (6 ft)
per MIL-STD 810G
Power Specifications
Battery type: Rechargeable Lithium-Ion (Li-ion) batteries:
AB8, AB15: 3.7 VDC, 2.2 Ah
AB9, AB16, AB28: 3.7 VDC, 4.0 Ah
Recharge time: 5 hours or less
Recharge temperature: 0 °C to 40 °C (32 °F to 104 °F)
Battery capacity: AB8, AB15: 8 Wh
AB9, AB16, AB28: 14 Wh
Backup battery: Super capacitor supplies 5 minutes bridge time
Wireless LAN
Standards compliant: IEEE 802.11g (2.4 GHz, OFDM)
IEEE 802.11 b (2.4 GHz, DSSS)
Data rates: Up to 54 Mbps for 802.11g
Up to 11 Mbps for 802.11b
Radio power output: 100 mW
Security: WPA2, WPA, 802.11i, 802.1x, WEP (EAP-TLS, TTLS, LEAP,
PEAP, EAP-FAST)
Certifications: WPA2, WPA, Wi-Fi, Cisco Compatible Extensions
(CCX) version 4
