Unitech PA500 User Manual download pdf (Page 58)

Input/Output Wireless connectivity • WLAN (802.11b)

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)

• WLAN (802.11g)

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)

• Serial infrared port

Power 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

automatic low battery shutdown

• Provide 4 hours operating time with a standard

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.

• Provide 3-level battery status to show main

battery capacity

• Provide 3-level battery status to show back-up

battery capacity

• 3.5 hours charging time

• 16 hours backup battery charging time

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Unitech PA500 User Manual Page 58