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Wireless N Fiber WAN Small Business Gateway

Model SBG3500-N SBG3500-NB
Description Wireless N Fiber WAN Small Business Gateway Wireless N Fiber WAN Small Business Gateway
Ports 4 x GbE LAN ports
1 x GbE WAN port
1 x SFP port
1 x USB port
2 x RJ-11 DSL ports
4 x GbE LAN ports
1 x GbE WAN port
1 x SFP port
1 x USB port
1 x RJ-45 DSL port

High Availability WAN

  • 3 WAN interface (VDSL, Ethernet/SFP) options
  • User configurable multi-WAN load balancing with one WAN for failover/fallback

VDSL Compliance

  • G.993.1 VDSL, G.993.2 VDSL2 Annex A/B compliant, band plan 997, 998
  • G.994.1 (G.hs) Handshake, G.997.1
  • Support VDSL profiles up to 17a
  • Packet Transfer Mode (PTM) 17a bonding
  • Rate adaption
  • Seamless Rate Adaption (SRA)
  • INP: Up to 16 symbols
  • G.INP, G.Vector
  • PhyR configurable

ADSL Compliance

  • G.992.1 (G.dmt), G.992.2 (G.lite) Annex A/B compliant
  • G.992.3 (ADSL2), G.992.5 (ADSL2+) Annex A/B compliant
  • Reach-Extended ADSL (RE ADSL)
  • Seamless Rate Adaptation (SRA)
  • PPP over ATM AAL5 (RFC2364)
  • Support VC-based and LLC-based multiplexing
  • ATM traffic shaping (CBR, VBR-rt/nrt, UBR)
  • PhyR configurable

Ethernet/SFP WAN

  • 1 x GbE RJ-45 port
  • 1 GbE SFP port
  • Ethernet WAN and SFP dual personality

Ethernet LAN

  • 4 x GbE RJ-45 ports
  • N-way, automatic speed negotiation supported
  • Auto-sensing, auto-detection MDI/MDIX


  • Dynamic learning for up to 2014 MAC address
  • PPPoE, PPPoA, IPoE, IPoA (RFC 1483)
  • DHCP client/server/relay
  • DHCP option 43/60/61/66/125/150
  • DNS proxy, DDNS
  • RIP I/RIP II supported
  • Adjustable MTU size
  • QoS classification route, queuing and scheduling
  • Interface grouping
  • IPv6 support


  • Simple wizard support (Express wizard)
  • Concurrent 20 IPSec VPN tunnels
  • IPSec, PPTP and L2TP over IPSec VPN
  • IPSec HW engine
  • Algorithm: AES (128/192/256)/3DES/DES
  • Authentication: SHA-1/MD5
  • Auto reconnect VPN
  • VPN failover/fallback

Firewall & Security

  • Full cone NAT/Symmetric NAT/Restrict Cone NAT, NAT ALGs
  • 20,000 NAT sessions supported
  • Configurable DMZ
  • PPTP/IPSec/L2TP pass through
  • PAP/CHAP/MS-CHAP v1 and v2
  • Stateful packet inspection
  • DoS/DDoS protection
  • URL/key word filtering
  • Access control: up to 256 ACL rules
  • Directional ACL rule support


  • 1 x USB 1.1/2.0 port
  • FTP file sharing
  • Supported file system: FAT16/32, EXT2/3
  • Support mobile broadband dongle
  • Support WWAN package update
  • 3G budget control


  • IEEE 802.11n compliance, backward compatible with 802.11 b/g
  • Dynamic auto channel selection
  • WPS on/off configuration in Web GUI
  • Multiple number of SSID: Up to 4
  • Per-SSID VLAN binding
  • WEP data encryption 64/128bit
  • WPA/WPA-PSK with TKIP & AES security type
  • WPA2/WPA2-PSK with TKIP & AES security type
  • IEEE 802.1x (EAP-MD5, TLS and TTLS)
  • 32 MAC filter
  • Client connection: A maximum of 32 clients simultaneously connect to the AP
  • Adjustable WLAN output power (via CLI, XML)
  • Web-based authentication

WLAN Management

  • Zyxel AP Controller (APC) Lite compliant
  • Client RSSI threshold to prevent sticky clients
  • Wireless Layer 2 isolation
  • RADIUS authentication
  • Wi-Fi Multimedia (WMM) wireless QoS
  • CAPWAP discovery protocol
  • Zyxel Wireless Optimizer (ZWO) AP planning

System Management

  • Two-tier log in
  • Login privilege
  • Dual image firmware protection
  • Text based configuration (XML based)
  • Support TR-069, TR-098, and TR-111
  • SNMP v1, v2c
  • Rom-D support
  • Syslog
  • User management (user data base/profile)

Hardware Specifications

  • WAN interface:
    SBG3500-N: 2 x RJ-11 connectors for VDSL2/ADSL2+ over POTS
    SBG3500-NB: 1 x RJ-45 connector for VDSL2/ADSL2+ over ISDN
  • 1 x RJ-45 port for Gigabit Ethernet/SFP interface for connection to Fiber (dual personality)
  • LAN interface: 4 x 10/100/1000M Auto MDI/MDIX RJ-45 ports
  • USB: One type A, 2.0 host USB
  • WLAN on/off button
  • RS232 console port
  • LED indicators: DSL1, DSL2, Ethernet WAN/Ethernet LAN (LED on connectors), power, internet, USB, SFP, WLAN
  • Power input: 12 V DC, 2 A

Physical Specifications

  • Item dimensions (WxDxH): 242 x 170 x 36 mm (9.53" x 6.69" x 1.42")
  • Item weight: 1.19 kg (2.62 lb.)
  • Packing dimensions (WxDxH): 343 x 209 x 75 mm (13.50" x 8.23" x 2.95")
  • Packing weight: 1.93 kg (4.26 lb.)

Environmental Specifications

  • Operating Environment
    • Temperature: 0°C to 40°C (32°F to 104°F)
    • Humidity: 10% to 95% (Non-condensing)
  • Storage Environment
    • Temperature: -30°C to 70°C (-22°F to 158°F)
    • Humidity: 10% to 95% (Non-condensing)
    • MTBF (hrs): 300,000


  • CE
    • EMC/RF
    • Safety
    • ErP
    • RoHS 2
Series NWA3000-N Series NWA5000 Series NWA5120 Series
Unified Pro
Access Point
Access Point
Access Point
Models NWA3160-N
Central management Yes Yes Yes
Auto provisioning Yes Yes Yes
Data forwarding Local bridge Local bridge Local bridge

Please check the list below or go to the Zyxel Download Library to see if your 3G/4G dongle is supported.

Note: If you can’t find your dongle from the list, please contact Zyxel’s Technical Support Service for help. Your email, brand and model name of dongles, and relative information of the dongle may be needed.

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