User's Manual

B94RSVLD0707 Specification Page 4/6 2007/11/12
LTC Network Access Confidential
PRODUCT FEATURES
• Operate at ISM frequency bands (2.4GHz) with 54Mbps data rate
• IEEE standards support: IEEE 802.11b, 802.11g
• Rohs compliance
Product specifications
Main chipset
Baseband / MAC: Atheros AR2524
RF / Power Amplifier: Atheros AR2124
Functional Specifications
Standard
IEEE802.11b; IEEE 802.11g; IEEE 802.11i, WMM
Bus Interface
Universal Serial Bus (USB2.0)
Data Rate
802.11g compliant: 11, 5.5, 2, 1 (DSSS/CCK); 6, 9, 12, 18, 24, 36, 48,
54 (OFDM) Mbps data rates
Media Access Control
CSMA/CA with ACK
Radio Technology
802.11b: DSSS (Direct Sequence Spread Spectrum) / CCK
802.11g: DSSS/CCK, OFDM (Orthogonal Frequency Division
Multiplexing)
Modulation Techniques
802.11b
DSSS:
CCK @ 11, 5.5 Mbps
DQPSK @ 2 Mbps
DBPSK @ 1 Mbps
802.11g
OFDM:
BPSK @ 6, 9 Mbps
QPSK @ 12, 18 Mbps
16-QAM @ 24, 36 Mbps
64-QAM @ 48, 54 Mbps
Network architecture
Ad-hoc mode (Peer-to-Peer )
Infrastructure mode
Operating Channel
802.11b & g
11: (Ch. 1-11) – N. America
13: (Ch. 1-13) – Europe ETSI
Frequency Range
802.11 b & g
2.412 ~ 2.462 GHz – N. America
2.412 ~ 2.472 GHz – Europe ETSI
Transmit Output Power
(Tolerance: +-1.5dBm)
802.11b
21.53 dBm
802.11 g
21.86 dBm
Receiver Sensitivity
802.11b
@FER<8%
11 Mbps: -84 dBm
5.5 Mbps: -87 dBm
2 Mbps: -87 dBm
1 Mbps: -91 dBm
802.11 g
@PER<10%
54 Mbps: -70 dBm
48 Mbps: -71 dBm
36 Mbps: -76 dBm
24 Mbps: -80 dBm
18 Mbps: -83 dBm
12 Mbps: -84 dBm
9 Mbps: -85 dBm
6 Mbps: -85 dBm
Security
64-bit, 128-bit WEP, TKIP, AES, WPA, WPA2
Operating Voltage
3.3 V ±5% I/O supply voltage