Battery For PDA Suitable For COMPAQ PE2031A   For Compaq&HP.PE2031A(H)capacity:      1200/2400mAh
type:            Li-pol
voltage:       3.7V
color:            Dark Grey
size:             93.2*66.1*7.1/93.2*66.1*12.7
weight:        37.5g/45.3g1) High safety during operation 2) Rechargeable battery circuit protection inside3) Lithium ion rechargeable battery4) 1 year Quality warranty provided5) No memory effect6) The life of the battery  may be as long as 500 charge-discharge cycles under normal conditions.7)Using A-class quality cell,every cell must pass strictly capacity grading procedure8)Every PCB must pass strictly test,until them reach to 100% compliant9)We carry on QC test for every finished product,to assure every battery can be charged and discharged times again and again Main Features:
802.11b: 1, 2, 5.5, 11Mbps; 802.11g: 6, 9, 12, 24, 36, 48, 54Mbps
Peak rate 54Mbps, Peak throughput 27Mbps
Power management
Certification
Wi-Fi Certification: 802.11 b/g, WPA, WPA2, WMM, WMM-PS
WHQL, Cisco CCX, USB-IF

Hardware
Chipset :Ralink RT3070
Host interface: USB2.0/1.1 type A (4 pin header)
LEDS; link/Acticity

RF
Antenna: Extearnal 2dBi foldable antenna.
Frequency: 2412~2483.5 MHz, ISM band
Transmit Power: 802.11b: 17+/-1.5dBm; 802.11g: 14+/-1.5dBm;
Receive Sensitivity: 802.11b: -84dBm at 11Mbps; 802.11g: -68dBm at 54Mbps

Software
Operation System :Windows CE/2000/XP/Vista; Linux; Mac OS X
Security: WEP 64/128, WPA, WPA2, 802.1x, Cisco CCS V1.0, 2.0 and V3.0 Compliant

Operation Conditions
Voltage Range: DC 5.0V ± 5%
Operating Temperature: 0°C - 50°C

Storage Temperature: -20°C - 70°C
Operating Humility: RH 95% (Non-Condensing)
Storage Humidity: RH 95% (Non-Condensing)