Unitech PA500 User Manual page 58

Input/Output
Power
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Wireless connectivity • WLAN (802.11b)
• WLAN (802.11g)
• Serial infrared port
Main battery Standard battery: 3.7 V, 2200 mAh
Battery life 4 hours
Battery charge • 3.5 hours with external AC adapter
• 3.5 hours with docking station
Backup battery One hour data retaining time when main battery is
removed
Power management • Provide all voltage outputs required in this device
• Retain memory content more than 72 hours after
• Provide 4 hours operating time with a standard
• Provide 3-level battery status to show main
• Provide 3-level battery status to show back-up
• 3.5 hours charging time
• 16 hours backup battery charging time
802.11b low power (3.96 mW deep sleep mode)
Peak output power: 18 ±2 dBm
Frequency band: 2400-2483.5 MHz
Operating channels: 11 Channels
Modulation Type:
CCK (1Mbps)
DBPSK (2Mbps)
DQPSK (5.5/11Mbps)
802.11g low power (3.96 mW deep sleep mode)
Peak output power: 15 ±2 dBm
Frequency band: 2400-2483.5 MHz
Operating channels: 11 Channels
Modulation Type: OFDM (6~54Mbps)
automatic low battery shutdown
battery. The activities in operating period are:
a. Scan one barcode.
b. Send this barcode data to the host via wireless
LAN.
c. Repeat items 1 and 2 every 5 seconds.
battery capacity
battery capacity