
VMG8825-B50B
Dual-Band Wireless AC/N VDSL2 Combo WAN Gigabit IAD
The Zyxel VMG8825-B50B Dual-Band Wireless AC/N VDSL2 Combo WAN
Gigabit IAD provides high-speed VDSL Internet access to meet the worldwide
market requirements for triple-play services. While the built-in 4x4 802.11ac
WLAN function eliminates troublesome wirings, the VMG8825-B50B offers
extremely ideal coverage for great WiFi experiences. In addition, the useroriented design allows the VMG8825-B50B to meet every customer’s own
style while providing functions that are both powerful and practical.
Benefits
More bandwidth, more service coverage with G.vectoring
The Zyxel VMG8825-B50B Dual-Band Wireless AC/N VDSL2 Combo
WAN Gigabit IAD supports VDSL with vectoring of up to profile 35b. The
vectoring feature not only reduces crosstalk to increase broadband access
performance, but also enlarges the existing service range for operators.
VDSL2 supports to up to
profile 35b
SFP cage supports to enable
GPON deployments
AC2400, dual-band WiFi with
1.7 Gbps* 802.11ac 4x4 Wave 2
technology
Supports VoIP SIP protocol
with 3-way conference calls
TR-069/TR-181 Issue-2 remote
management
USB 3.0 high throughput for
file sharing
Excellent routing and QoS
capability to prioritize
applications as needed
Datasheet VMG8825-B50B
NAT, firewall with SPI and DoS
for better security

Carrier-class WiFi for seamless mobility
Rated as AC2400-class, the Zyxel VMG8825-B50B delivers
speeds of up to 1.7 Gbps* over 5 GHz and 600 Mbps* over
2.4 GHz. For elevated user enjoyment, the VMG8825-B50B
offers dual-band WiFi with performance-boosting features
such as Multi-User MIMO (MU-MIMO) and Beamforming for
Connected, anywhere at home
The mobile app for Multy Pro Managed WiFi Solution
is a simple, effective utility to help customers setup,
adjust and inspect their home networks. In addition
to network discovery, easy setup and diagnostics for
devices connected to the home network, it also allows
simultaneous, lag-free streaming and gaming experiences.
In addition, its ability to create multiple WiFi networks
with up to 4 SSIDs also helps operators to easily create
individual WLAN networks for video, data and guest access.
service providers to effectively analyze network issues for
customers if needed. The Zyxel Multy Pro Managed WiFi
Solution gives the best experience while reducing home
support costs and service calls through the ability to solve
customer issues remotely.
The triple-play powerhouse
The Zyxel VMG8825-B50B is built with sophisticated QoS
and multicast traffic shaping features like IGMP v1/2/3
snooping and VLAN capabilities for premium video delivery
services. To wireless IPTV operators, its built-in 4x4, 802.11ac
chip is the top choice.
SFP for multiple WAN options
The built-in SFP cage for GPON module makes the Zyxel
VMG8825-B50B the perfect solution for fiber deployments.
2Datasheet VMG8825-B50B

TR-069 remote manage with TR-181 issue-2 support
The Zyxel VMG8825-B50B supports TR-069 that simplifies
remote configuration, upgrade and management and
therefore improves cost effectiveness and customer
Application Diagram
satisfaction. Additional support to the latest TR-181 issue-2
data model also enhances service providers’ visibility on
subscriber LAN networks for improved customer assistance.
Internet
Central Office
DSL WAN Access
MSAN/IP DSLAM
Ethernet
WAN Access
Optical Line Terminal
Wireless Access
3G Base Station
VDSL/ADSL2
SFP for multi-WAN access
Fiber ONU
3G Access
WiFi 2.4/5 GHz Clients
2.4G 5G
VMG8825-B50B
3G/4G
Dongle
USB
Storage
Home/Office
IP STB
Data
TV
Game
Console
NAS
Ethernet
Ethernet
(Optional)
Fiber
DSL
USB
3G WiFi 5 GHz
WiFi 2.4 GHz
3Datasheet VMG8825-B50B

Specifications
System Specifications
Wireless Standard
• 802.11 b/g/n/ac 2.4 GHz
• 802.11 a/n/ac 5 GHz
VDSL and ADSL Compliance
• VDSL:
■
G.993.1 VDSL
■
G.993.2 VDSL2, Band 997, 998, over
POTS
■
Support VDSL profiles: 8a/b/c/d,
12a/b, 17a, 30a and 35b
■
G.vector
• ADSL:
■
G.992.1 (G.dmt)
■
G.992.2 (G.lite)
■
ANSI T1.413 compliant
■
G.992.3 (ADSL2)
■
G.992.5 (ADSL2+)
■
G.INP support
Router/Bridge Features
• IEEE 802.1D transparent bridge &
basic spanning tree
• PPPoE (RFC 2516)
• PPPoA (RFC 2364)
• MAC encapsulation routing/IPoE
• Network Address Translation (NAT)
• NAT virtual server (port forwarding)
• DHCP client/server/relay with DHCP
option 43/60/61/125
• DNS proxy/dynamic DNS
• Static/Policy route
• IGMP v1, v2, v3
• IPv4/IPv6
Wireless
• Wireless Protected Setup (WPS)
• WMM
• WEP data encryption 64/128 bit
• WPA2/WPA2-PSK with TKIP & AES
security type
• Multi SSID: up to 4
• MU-MIMO support
VLAN/QoS
• 802.1Q VLAN tagging/un-tagging
• Support flexible traffic classification
Firewall & Security
• Generic packet filter
• DoS attack prevention
• Parental control
USB
• File sharing
• 3G/4G fall-back WAN (By USB dongle)
Management
• Web/HTTP: 3 level log-in via SSH or
Telnet
• Firmware upgrade via web/TFTP/
FTP/TR-069 RPC method
• Text based configuration
• Configuration backup/update/
restore default via Web
• Configurable access control for
remote management (interface and/
port number)
• DSL forum TR-069, TR-098
• TR-111 and TR-181 i2
• SNMP v1, v2
• Rom-D support
• UPnP port forwarding rules on page
VoIP
• SIP (Section Initiating Protocol, RFC
3261)
• Codec: G.711 a/μ (64K), G.726 (24/32K),
G.722
• G.168 echo cancellation
• Fax/modem detection and pass-through
• Voice Active Detector (VAD)
• Comfort Noise Generator (CNG)
• Dynamic jitter buffer
• DTMF detection and generation
• DTMF relay by in-band and out-ofband (RFC 2833, SIP INFO)
• SIP account (URL type included)
• On hook, off hook and flash detection
• Caller ID
• Call forwarding (No condition, busy,
no answer)
• Call transferring
• Call hold/Call retrieve
• Three way conference
• Call waiting
• DNS SRV
Hardware Specifications
• WAN: One 10/100/1000 Mbps
Ethernet port RJ-45
• Wireless:
■
Three internal antennas (2.4 GHz)
■
Four internal antennas (5 GHz)
• DSL: One RJ-11
• Ethernet: Four 10/100/1000 Mbps
Ethernet ports RJ-45 (8P8C)
• VoIP: 2 FXS ports
• USB: One USB 3.0 host
• Button:
■
One reset button
■
One WPS on/off button
■
One WLAN on/off button
• Status LEDs indicators:
■
Power/System
■
WAN
■
Internet
■
LAN
■
WLAN-2.4G/WPS
■
WLAN-5G/WPS
■
VoIP
■
Fiber
• Power consumption: 12V DC, 3A
Physical Specifications
• Item dimensions (WxDxH):
258 x 32 x 180 mm
(10.15" x 1.25" x 7.08")
• Item weight: 521.8g (1.15 lb.)
Environmental Specifications
Operating Environment
• Temperature:
0°C to 40°C (32°F to 104°F)
• Humidity:
10% to 90% RH (Non-condensing)
Storage Environment
• Temperature:
-30°C to 70°C (-4°F to 158°F)
• Humidity:
10% to 95% RH (Non-condensing)
Certification
• CE
Package Contents
• Wireless IAD
• Power adapter
• Ethernet cable
• Phone cable
• Quick start guide
* The maximum wireless data is derived from
IEEE Standard 802.11 specifications. Actual
data transfer rate will vary from network
environment including: distance, network
traffic, building site materials/construction,
interference from other wireless devices, and
other adverse conditions.
For more product information, visit us on the web at www.zyxel.com
Copyright © 2018 Zyxel Communications Corp. All rights reserved. Zyxel, Zyxel logo are registered
trademarks of Zyxel Communications Corp. All other brands, product names, or trademarks mentioned
are the property of their respective owners. All specifications are subject to change without notice.
Datasheet VMG8825-B50B
5-100-01318007 05/18