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Product features:
Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port
EOL
General features:
Hardware
Processor
• RTL8676S
RAM
• 32MB, SDRAM
Flash
• 8MB, SPI
Interfaces
• RJ-11 ADSL port
• 4 10/100BASE-TX LAN ports
• USB 2.0 port
LEDs
• POWER
• 4 LAN LEDs
• WLAN
• WPS
• USB
• DSL
• INTERNET
Buttons
• ON/OFF button to power on/power off
• RESET button to restore factory default settings
• WPS button to set up wireless connection
• WIRELESS ON/OFF button to enable/disable wireless network
Antenna
• Two external non-detachable omnidirectional antennas (5dBi gain)
MIMO
• 2 x 2
Power connector
• Power input connector (DC)
DSL Parameters
ADSL Standards
• ADSL: Multi-mode, ANSI T1.413 Issue 2, ITU-T G.992.1 (G.dmt) Annex A, ITU-T G.992.2 (G.lite) Annex A, ITU-T G.994.1 (G.hs)
• ADSL2: ITU-T G.992.3 (G.dmt.bis) Annex A/L/M, ITU-T G.992.4 (G.lite.bis) Annex A
• ADSL2+: ITU-T G.992.5 Annex A/L/M
ATM/PPP Protocols
• Bridged and routed Ethernet encapsulation
• VC-based or LLC-based multiplexing
• ATM Forum UNI3.1/4.0 PVC (up to 8 PVCs)
• ATM Adaptation Layer Type 5 (AAL5)
• ITU-T I.610 OAM F4/F5 loopback
• ATM QoS
• PPP over ATM (RFC 2364)
• PPP over Ethernet (PPPoE)
• Keep-alive for PPP connections
Software
WAN connection types
• LTE
• 3G
• PPPoA
• PPPoE
• IPv6 PPPoE
• PPPoE Dual Stack
• IPoA
• Static IPv4 / Dynamic IPv4
• Static IPv6 / Dynamic IPv6
• Bridge
Network functions
• DHCP server/relay
• Stateful/Stateless mode for IPv6 address assignment, IPv6 prefix delegation
• DNS relay
• Dynamic DNS
• Static IP routing
• Static IPv6 routing
• IGMP Proxy
• IGMP snooping
• RIP
• Support of UPnP IGD
• Support of VLAN
• WAN ping respond
• Support of SIP ALG
• Support of RTSP
• WAN reservation
Firewall functions
• Network Address Translation (NAT)
• Stateful Packet Inspection (SPI)
• IP filter
• IPv6 filter
• MAC filter
• URL filter
• DMZ
• Prevention of ARP and DDoS attacks
• Virtual servers
• Built-in Yandex.DNS web content filtering service
VPN
• IPsec/PPTP/L2TP/PPPoE pass-through
QoS
• Interface grouping
• VLAN priority (802.1p)
USB interface functions
• USB modem
- Auto connection to available type of supported network (4G/3G/2G)
- Auto configuration of connection upon plugging in USB modem
- Enabling/disabling PIN code check, changing PIN code1
• USB storage
- File browser
- Print server
- Access to storage via accounts
- Built-in Samba/FTP/DLNA server
- Built-in Transmission torrent client; uploading/downloading files from/to USB storage
Management
• Local and remote access to settings through TELNET/WEB (HTTP/HTTPS)
• Multilingual web-based interface for configuration and management
• Firmware update via web-based interface
• Automatic notification on new firmware version
• Saving/restoring configuration to/from file
• Support of logging to remote host/connected USB storage
• Automatic synchronization of system time with NTP server and manual time/date setup
• Ping utility
• Traceroute utility
• TR-069 client
Wireless Module Parameters
Standards
• IEEE 802.11b/g/n
Frequency range
• 2400 ~ 2483.5MHz
Wireless connection security
• WEP
• WPA/WPA2 (Personal/Enterprise)
• МАС filter
• WPS (PBC/PIN)
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 300Mbps (from MCS0 to MCS15)
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)
15dBm
• 802.11g (typical at room temperature 25 °C)
13.5 ~ 15dBm
• 802.11n (typical at room temperature 25 °C)
13.5 ~ 15dBm
Receiver sensitivity
• 802.11b (typical at room temperature 25 °C)
-84dBm
• 802.11g (typical at room temperature 25 °C)
-72dBm
• 802.11n (typical at room temperature 25 °C)
HT20
-70dBm
HT40
-67dBm
Modulation schemes
• 802.11b: CCK (11, 5.5Mbps), DQPSK (2Mbps), DBPSK (1Mbps), DSSS
• 802.11g: PSK/CCK, DBPSK, DQPSK, OFDM, BPSK, QPSK, 16QAM, 64QAM
• 802.11n: PSK/CCK, DBPSK, DQPSK, OFDM, etc.
Physical Parameters
Dimensions (L x W x H)
• 174 x 119 x 32 mm (6.6 x 4.7 x 1.3 in)
Weight
• 197 g (0.43 lb)
Operating Environment
Power
• Output: 12V DC, 1A
Temperature
• Operating: from 0 to 40 °C
• Storage: from -20 to 70 °C
Humidity
• From 5% to 95% (non-condensing)
Delivery Package
• Router DSL-2750U
• Power adapter DC 12V/1A
• RJ-11 telephone cable
• Ethernet cable
• Splitter
• “Quick Installation Guide” (brochure)
Supported USB modems2
GSM
• Alcatel X500
• D-Link DWM-152C1
• D-Link DWM-156A6
• D-Link DWM-156A7
• D-Link DWM 156A8
• D-Link DWM-156C1
• D-Link DWM-157B1
• D-Link DWM-157B1 (Velcom)
• D-Link DWM-158D1
• D-Link DWR-710
• Huawei E150
• Huawei E1550
• Huawei E156G
• Huawei E160G
• Huawei E169G
• Huawei E171
• Huawei E173 (Megafon)
• Huawei E220
• Huawei E3131 (MTS 420S)
• Huawei E352 (Megafon)
• Prolink PHS600
• Prolink PHS901
• ZTE MF112
• ZTE MF192
• ZTE MF626
• ZTE MF627
• ZTE MF652
• ZTE MF667
• ZTE MF668
• ZTE MF752
LTE
• Huawei E3131
• Huawei E3272
• Huawei E3351
• Huawei E3372
• Huawei E367
• Huawei E392
• Megafon M100-1
• Megafon M100-2
• Megafon M100-3
• Megafon M100-4
• Megafon M150-1
• Megafon M150-2
• Quanta 1K6E (Beeline 1K6E)
• MTS 824F
• MTS 827F
• Yota LU-150
• Yota WLTUBA-107
• ZTE MF823
• ZTE MF827
Smartphones in USB tethering mode
• Some models of Android smartphones
1For some models of USB modems.
2The manufacturer does not guarantee proper operation of the router with every modification of the firmware of USB modems.


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