Specifications

A-1

Appendix A

PC Card Information

Consult your authorized RoamAbout reseller sales office for information about the radio

regulations that apply in your country.

Radio Characteristics

Table A-1: 802.11b Radio Characteristics

Characteristic Value

R-F frequency band 2.4 GHz (2400-2483.5 MHz)

Number of selectable channels for North America

and countries supporting FCC

Number of selectable channels for Europe and

other countries supporting ETSI

Number of selectable channels for France (FR) 4

Number of selectable channels for Japan (JP) 13 (low power card)

14 (high power card)

Modulation technique Direct sequence spread spectrum

(

DQPSK, CCK, DBPSK)

Spreading 11-chip barker sequence

Bit error rate

Better than 10

-5

Receiver sensitivity at 11 Mbit/s -82dBm

Receiver sensitivity at 5.5 Mbit/s -87dBm

Receiver sensitivity at 2 Mbit/s -91dBm

Receiver sensitivity at 1 Mbit/s -94dBm

Nominal output power 15 dBm

Nominal output power (variation for use with an outdoor

antenna)

NOTE: This variation of the RoamAbout PC Card is not

available in FCC regulated countries. This PC Card is

used when connecting to an outdoor 14 dBi directional

antenna in countries that adhere to radio regulations as

defined by the ETSI.

8 dBm