D-Link DSL 2740B - Manual (Page 107)

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Wireless
Modulation
IEEE 802.11b: DQPSK, DBPSK, DSSS, and CCK
IEEE 802.11g: BPSK, QPSK, 16QAM, 64QAM, OFDM
Frequency
2400 ~ 2484.5MHz ISM band
Channels
11 channels for United States
13 channels for European Countries
13 channels for Japan
Wireless Data Rates
IEEE 802.11b: 11, 5.5, 2, and 1Mbps
IEEE 802.11g: 6, 9, 12, 18, 24, 36, 48, 54Mbps
Media Access
Protocol
CSMA/CA with ACK
Wireless
Certification
Wi-Fi WPA
ADSL Data Rates
G.dmt full rate: Downstream up to 8 Mbps
Upstream up to 640 Kbps
G.lite: Downstream up to 1.5 Mbps
Upstream up to 512 Kbps
G.dmt.bis full rate: Downstream up to 12Mbps,
Upstream up to 640kbps
G.lite.bis full rate: Downstream up to 12Mbps,
Upstream up to 512kbps
ADSL2+ full rate: Downstream up to 24Mbps,
Upstream up to 1Mbps
Media Interface
RJ-11 port ADSL telephone line connection
4 x RJ-45 ports for 10/100BASET Ethernet connection