D-Link DSL-2640U User Manual

DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support
User Manual
Overview
Wireless Module Parameters
Advanced functions · WMM (Wi-Fi QoS)
· Information on connected Wi-Fi clients
· Advanced settings
· Guest Wi-Fi / support of MBSSID
· Limitation of wireless network rate
· Periodic scan of channels, automatic switch to least loaded channel
· Autonegotiation of channel bandwidth in accordance with environment
conditions (20/40 Coexistence)
Wireless connection rate · IEEE 802.11b: 1, 2, 5.5, and 11Mbps
· IEEE 802.11g: 6, 9, 12, 18, 24, 36, 48, and 54Mbps
· IEEE 802.11n: from 6.5 to 150Mbps (from MCS0 to MCS7)
Transmitter output power
The maximum value of the transmitter
output power depends upon the radio
frequency regulations applied in your
country
· 802.11b (typical at room temperature 25 °C)
18dBm
· 802.11g (typical at room temperature 25 °C)
15.5dBm
· 802.11n (typical at room temperature 25 °C)
14dBm
Receiver sensitivity · 802.11b (typical at room temperature 25 °C)
-82dBm at 1Mbps
-80dBm at 2Mbps
-78dBm at 5.5Mbps
-76dBm at 11Mbps
· 802.11g (typical at room temperature 25 °C)
-85dBm at 6Mbps
-84dBm at 9Mbps
-82dBm at 12Mbps
-80dBm at 18Mbps
-77dBm at 24Mbps
-73dBm at 36Mbps
-69dBm at 48Mbps
-68dBm at 54Mbps
· 802.11n (typical at room temperature 25 °C)
HT20
-82dBm at MCS0
-79dBm at MCS1
-77dBm at MCS2
-74dBm at MCS3
-70dBm at MCS4
-66dBm at MCS5
-65dBm at MCS6
-64dBm at MCS7
HT40
-79dBm at MCS0
-76dBm at MCS1
-74dBm at MCS2
-71dBm at MCS3
-67dBm at MCS4
-63dBm at MCS5
-62dBm at MCS6
-61dBm at MCS7
Modulation schemes · 802.11b: DQPSK, DBPSK, DSSS, and CCK
· 802.11g: BPSK, QPSK, 16QAM, 64QAM with OFDM
· 802.11n: BPSK, QPSK, 16QAM, 64QAM with OFDM
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D-Link DSL-2640U Specifications

Power

input voltage	100V-240V
input current	0.6A
input frequency	50 Hz - 60 Hz
output voltage	12V
output current	1A

Data Transfer Rates

G.dmt full rate downstream	up to 8 Mbps
G.dmt full rate upstream	up to 1 Mbps
G.lite ADSL downstream	up to 1.5 Mbps
G.lite ADSL upstream	up to 512 Kbps
G.dmt.bis full rate downstream	up to 12 Mbps
G.dmt.bis full rate upstream	up to 1 Mbps
ADSL2+ full rate downstream	up to 24 Mbps
ADSL2+ full rate upstream	up to 1 Mbps

Wireless Transfer Rates

IEEE 802.11b transfer rates	11, 5.5, 2, and 1 Mbps
IEEE 802.11g transfer rates	6, 9, 12, 18, 24, 36, 48, 54 Mbps

Media Interface

ADSL interface connector	RJ-11 connector for connection to 24/26 AWG twisted pair telephone line
LAN interface ports	four RJ-45 ports for 10/100BASE-T Ethernet connection