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Durable VDSL Modem Router With 2.4G/5.0G Dual Wifi VDB1421-W2 1GE Wan+4GE+2FXS

Categories VDSL Modem Router
Model Number: VDB1421-W2
Place of Origin: Shenzhen, China
MOQ: 200pcs
Payment Terms: T/T, L/C
Delivery Time: 25-35 work days
Packaging Details: Standard Carton
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Durable VDSL Modem Router With 2.4G/5.0G Dual Wifi VDB1421-W2 1GE Wan+4GE+2FXS

VDSL Modem VDSL IAD Integrated Access Device with 2.4G/5.0G Dual Wifi VDB1421-W2 (1GWan+4GE+2FXS)


● Chipset: BCM63167V+BCM6303+BCM53124+BCM43602
● Interface: 1GWan+4GE+2FXS (POTS)+1*USB2.0
● Wifi: 2.4G 11n 2*2+5G 11ac3*3
● Size:210*181*41mm


1. User Interface

User Interface
Ethernet LANFour RJ-45 Port (8p8c, Yellow color, unshielded)
10/100M/1000M bps GE
N-way, Automatic speed negotiation supported.
Auto-sensing, auto-detection MDI/ MDI-X
DSL LineOne RJ-11(6p2c), Gray color
USBTWO USB connector
Reset buttonOne Reset button
Power JackDC power jack, 12V/2A input
On/Off SwitchOne On/Off switch
WPSWPS button
WIFI on/offWIFI button on/off
Wireless AntennaFive Antennas (2.4G*2,5G*3)
Key Components / Connectors / Performance
VDSL2 ChipsetBCM63167
VDSL2 LineDriverBCM6303
WIFI ChipsetInternal+BCM43602
Flash Memory128MB
ConsoleInternal console port (4 pin)
ITU-T K.21Complied
Interfaces (TR-068 compliant)

4x 10/100/1000Base-TX MDI/MDIX RJ-45 port

Compliant with following standards:

1. IEEE 802.3/802.3u

2. Hardware based 10/100/1000, full/half, flow control autonegotiation

3.Non-blocking wire speed reception andtransmission

4. Full duplex IEEE 802.3x flow control and halfduplex back-pressure flow control

5. Broadcast storm protection

6. Automatic address learning, address aging andaddress migration

7. Integrated address Look-Up Engine, 1 K absoluteMAC addresses supported


1x 10/100/1000Base-TX MDI/MDIX RJ-45 port

Compliant with following standards:

1. IEEE 802.3/802.3u

2. Hardware based 10/100/1000, full/half, flow control autonegotiation

3.Non-blocking wire speed reception andtransmission

DSL Line

1x inner pair RJ-11 VDSL2 port

Data Rate:

Downstream: Max up to100Mbps

Upstream: Max up to 60Mbps

Compliant with xDSL Standard

ITU-T G.993.2 (VDSL2)

Supports VDSL2 band plan: 997 and 998

Supports VDSL2 profiles: 8a, 8b, 8c, 8d, 12a, 12b, 17a

Supports Annex A, B


Simultaneous Wi-Fi 2.4 & 5GHz

At least 4 SSIDs


IEEE 802.11 b/g/n 2.4GHz (Up to 300 Mbps data rates)

IEEE 802.11 ac 5GHz (Up to 1300 Mbps data rates)


• <20dBm at 2.4GHz

• <20dBm at 5GHz


• InternalAntenna at 2.4GHz

InternalAntenna at 5GHz(Optional extranal antenna)

• Wi-FITransmitters/Receivers(Tx/Rx)2x2 (2.4GHz) + 3x3 (5GHz) MIMO Antenna

• Omnidirectional at least 3dBi gain/antenna for 2.4GHz

• Omnidirectional at least 3dBi gain/antenna for 5GHz

2. LED Indicators

LED IndicativeColorStatusDescription
PowerGreen/RedSolid LightPower on
Light offPower off
LAN1~4GreenSolid LightDevice connected to LAN port
BlinkingLAN Activity present
Light offNo Activity
WIFI0~1GreenSolid LightWireless enable
BlinkingDate transmission
Light offWireless disable
WPSGreenSolid LightWPS device connected
Light offNo WPS device connected
USB0~1GreenSolid LightUsb connected
Light offNo usb connected
BlinkingDate transmission
DSLGreenSolid LightDSL good sync.
BlinkingDSL attempting sync.
Light offNo carrier signal
InternetGreen /RedSolid LightIP connected
Light offPower off
WanGreenSolid LightDevice connected to WAN port
BlinkingWAN Activity present
Light offNo Activity
VOIP0~1GreenSolid LightDevice connected to FXS port
BlinkingFXS Activity present
Light off

No Activity

3. S/W Features

Feature ItemFeatureDetailed Description
ADSL Compliance

T1.413i2, G.992.1

(G.dmt), G.992.2


Annex A (Annex B

and C are optional)



ADSL and ADSL2 dual mode


G.992.5 (ADSL2+)ADSL2+

Annex L (Reach

Extended ADSL2)

Annex M

VDSL Compliance


Vdsl profiles supported: 8a/b/c/d , 12a/b, 17a
Diagnostics mode/DELT
Dying GASP
Virtual Noise
Both Annex A and Annex BBoth Annex A and Annex B band plans
WIFI ComplianceIEEE 802.11ac/b/g/n

Support 11n 2x2 inner antennas

Support 11ac 3x3innerantennas

Support 2-stream spatial multiplexing up to 270Mbps2.4G 11n 2x2
Support 3-stream spatial multiplexing up to 1.3Gbps5G 11ac 3x3
Support MCS 0-15 and MCS 32 modulation and coding rates2.4G 11n 2x2
Support MCS 0-23 and MCS 32 modulation and coding rates5G 11ac 3x3
Support 20M and 40M channels2.4G 11n 2x2
Support 20M40Mand VHT80M channels5G 11ac 3x3
Support for STBC in both TX and RX2.4G 11n 2x2
Support for STBC and LDPC in both TX and RX5G 11ac 3x3
Network Protocols and Features



encapsulations for

bridged or routed


VC-MUX for any connection type
AAL5encapsulation for PPPoA

802.1q/1p VLAN

over RFC2684

Bridge encapsulation

802.1q header insertion toward

WAN and de-insertion toward

LAN over RFC2684 bridge mode

over AAL5. Supports multiple

VLANs on multiple PVCs and

mapping VLANs, PVCs and

physical LAN port to multiple



Support AUTO, PAP, CHAP, MS-

CHAP authentication

Added static IP address



Support AUTO, PAP, CHAP, MS-

CHAP authentication

Added static IP address


Multiple PPPoE

sessions on single


Allows multiple PPPoE sessions

on one PVC.

PPPoE pass-through

Supports concurrent PPPoE

clients inside the modem and

PPPoE clients on the LAN


PPPoE - filtering of

non-PPPoE packets

between WAN and


Previously only filtered non-

PPPoE packet from LAN to WAN,

now works in both directions.


remote staled PPP

sessions at BRAS

Clean up staled PPP sessions

(PPPoE and PPPoA) at ISP

BRAS after ADSL link goes down

then up or after modem reboots, if

scratch pad is enabled on top

boot flash.


MER (a.k.a IP over

Ethernet over AAL5)

WAN to WAN traffic

blocking in bridge


Second IP address

on LAN interface

Only public IP address and no

DHCP on second IP address.

DNS relay

DNS server fallback

in DNS Relay

Launch dnsprobe process when

both primary and secondary

DNS’s are assigned. Probe primary DNS status and fallback

to secondary DNS. When primary

DNS is up again, switch back to

primary DNS.

DHCP server
DHCP client
DHCP Relay

DHCP relay agent for IPoA and

MER type of WAN connections.

IGMP ProxyIGMP v1/v2
IGMP Snooping

IGMPv1/v2 snooping in bridge

mode. Added blocking mode.

RIP v1/v2

Enable RIP over multiple WAN


Dynamic DNS

Automatic update WAN IP

address when it is changed to

dyndns.org and/or TZO DDNS


LAN port to VC


Supports traffic mapping between

a group of LAN port to a PVC.

Ethernet as WAN


Added Ethernet as WAN interface

to support PPPoE or IP over


Multiple Protocol


Support multiple protocols on

single PVC using VLAN ID

Multiple Service PVC

Support PPPoE, Bridge, and

MER services over a single PVC

FirewallStateful InspectionSPI Fire Wal

Denial of Service


Passed DOS attacks: ARP

Attack, Ping Attack, Ping of

Death, Land, SYNC, Smurf,

Unreachable,Tear Drop


filtering rules

Support both incoming and

outgoing filtering.

MAC Layer Filtering

Added IGMP in protocol menu.

Filter MAC frames based on

protocol type, source/destination

MAC address, direction

Day-time Parental


VPNIPsec VPN(optional)

Support VPN connection to

remote VPN gateway.




Supported both routed and

bridged mode PVCs for packet

level QoS: classification rules,

priority queuing using ATMTX

queues, IP TOS/Precedence,

802.1p marking. Added DiffServ

DSCP marking and src/dest MAC

addresses classification.

Configuration and ManagementWeb based GUI
Embedded web server

Download image via

HTTP or tftp client

Download image via

FTP server

Download image via

TFTP server

Command Line

Interface via serial

port, telnet, or ssh

added dumpcfg, sntp commands.

Added option to tftp, adsl, wan, ppp commands. Upgrade sshd to version 0.46.

Menu-driven CLI via

serial port or telnet

Added dump configuration.

Universal Plug and

Play (UPnP) Internet

Gateway Device


V2.14L.02: Upgraded UPnP with latest version.

Added support for ADSL IGD. Enable/disable UPnP without reboot.

SNMP v1/v2c agent(optional)

SNMP MIBs: rfc2662

ADSL line MIB,

rfc2515 ATM MIB,


Support GET only except

GET/SET for system MIB and

ifAdminStatus in ifTable.

Date/time update

from SNTP Internet

Time Server

Automatic synchronize date and time with Internet Time Servers and local time zone setup.

Display Date/time in device info and syslog. Added SNTP command.

Daylight saving zone
TR-69(optional)Compliance with Brandband forum standard.
VoIP (Protocol/Feature Supported)SIPRFC 3261
Outbound proxy
Session timerRFC 4208
3-way conference calls
Support main and backup SIP server using fully qualified domain name (FQDN) or IP Address
Call Forward
Call Hold
Call waiting
Support Codec priority configuration
Signal Processing (VoIP)G.711( A law & u Law) – 64 kbps
G.722 – 64kbps(wideband)
G.723.1 – 5.3/6.3 kbps
G.726 – 32 kbps
G.729A – 8 kbps
G.168 Echo Cancellation
Silence suppression
Adaptive jitter buffer
Voice activity detector(VAD)
Comfort noise generation(CNG)
Selectable Rx/Tx gain control
Fax Pass-Through
T.38 Fax Relay
DTMF In band & Out of bandTone Detection & generation (RFC2833)
Caller ID
Support Tones with selectable country profile

4. Environment


Operating Temperature0℃~40℃ (32℉~104℉);
Storage Temperature-20℃~70℃ (-40℉~158℉)
Operating Humidity0 to 95% RH
Storage Humidity0 to 95% RH

Product Tags:

vdsl iad modem


vdsl modem wifi router

Quality Durable VDSL Modem Router With 2.4G/5.0G Dual Wifi VDB1421-W2 1GE Wan+4GE+2FXS for sale
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