User Manual

3
Technical Specifications
This section provides the specifications for the RoamAbout IEEE 802.11a PC Card. The
PC Card is WiFi Certified.
Radio Characteristics
Consult your authorized RoamAbout reseller sales office for information about the radio
regulations that apply in your country. Table 1 shows the radio characteristics for the
802.11a PC Card.
Table 1: 802.11a Radio Characteristics
Characteristic Value
R-F frequency band 5 GHz (5.15 - 5.35 GHz)
Number of selectable channels for North America and
countries supporting FCC
8 (-AX variant)
4 (-AL, -AM, and -AJ variants)
Modulation technique OFDM Modulation
(BPSK, QPSK, 16 QAM, 64 QAM)
Bit error rate
Better than 10
-5
Receiver sensitivity at 54 Mbit/s -69dBm
Receiver sensitivity at 48 Mbit/s -70dBm
Receiver sensitivity at 36 Mbit/s -75dBm
Receiver sensitivity at 24 Mbit/s -80dBm
Receiver sensitivity at 18 Mbit/s -83dBm
Receiver sensitivity at 12 Mbit/s -86dBm
Receiver sensitivity at 9 Mbit/s -88dBm
Receiver sensitivity at 6 Mbit/s -88dBm
Integrated antenna up to 4.5 dBi
Output power 14 dBm
Receive Mode 430 mA
Transmit Mode 540 mA
Power Supply 3.3 V