User's Manual

22 CPT-9500 Reference Manual

802.11b

IEEE 802.11b is an industrial standard for Wireless Local Area Networking

(WLAN), which enables wireless communications over a long distance.

The speed of connection between two wireless devices will vary with range and

signal quality. To maintain a reliable connection, the 802.11b system automatically

fallback from 11 Mbps to 5.5, 2 or 1 Mbps as range increases or signal quality

decreases.

802.11b Specification

Frequency Range:

2.4 ~ 2.5 GHz

Data rate:

11, 5.5, 2, 1 Mbps auto-fallback

Connected devices:

1 for ad-hoc mode (No AP)

Multiple for infrastructure mode (AP required)

Protocols:

IP/TCP/UDP

Coverage:

250 meters line-of-sight

Maximum Output Power:

100 mW

Spread Spectrum:

DSSS

Modulation:

DBPSK (1 Mbps), DQPSK (2 Mbps), CCK (11 Mbps)

Standard:

IEEE 802.11b, interoperable with Wi-Fi devices

(Note: this device will be set to 2412-2462MHz with 11 channels by firmware before placing on

USA market.)