Features & Specifications
Billion Electric Co., Ltd.
8F, No.192, Sec.2, Chung Hsing Road, 
Hsin Tien City, Taipei Hsien, Taiwan 
TEL : +886-2-2914-5665
FAX : +866-2-2918-6731,+886-2-2918-2895 
www.billion.com
ADSL Compliance
• Compliant with ADSL Standard
 - Full-rate ANSI T1.413 Issue 2
 - G.dmt (ITU G.992.1)
 - G.hs (ITU G.994.1)
 - ADSL over ISDN/U-R2 
• Compliant with ADSL2 Standard
 - G.dmt.bis (ITU G.992.3)
 - ADSL2 Annex M (ITU G.992.3 Annex M)
 (Available for BiPAC 7402GM model only)
• Compliant with ADSL2+ Standard
 - G.dmt.bisplus (ITU G.992.5)
 - ADSL2+ Annex M (ITU G.992.5 Annex M)
 (Available for BiPAC 7402GM model only)
Network Protocols and Features
• NAT, static routing and RIP-1/2
• Universal Plug and Play (UPnP) Compliant
• Dynamic Domain Name System (DDNS)
• Virtual Server and DMZ 
• SNTP, DNS relay, IGMP Proxy
• POP3 (email account checking)
• IGMP Snooping for video service
Firewall
• Built-in NAT firewall
• Stateful Packet Inspection (SPI)
• Prevent DoS attacks including IP Spoofing, Land Attack, 
Smurf Attack, Ping of Death, TCP SYN Flooding, etc.
• Packet Filtering - port, source IP address, destination IP 
address, MAC address
• URL Content Filtering - string or domain name detection in 
URL string
Wireless 802.11g
• Compliant with IEEE 802.11g and 802.11b standards
• 2.4 GHz - 2.484G Hz frequency range
• Up to 54 Mbps wireless operation rate
• 64/128 bits WEP supported for encryption
• Wireless Security with WPA-PSK/WPA2-PSK support
Hardware Specification
Physical Interface
• WLAN: one detachable antenna 
• WAN: ADSL port
• LAN: 4-port 10/100M auto-crossover (MDI/MDI-X) Switch
• Console: PS2
• Factory default reset button
• Power jack
• Power switch
Physical Specification
• Dimensions: 7.09" x 4.72" x 1.57"
 (180mm x 120mm x 40mm)
Power Requirement
• Input: 12V DC, 1A
ATM and PPP Protocols
• ATM Adaptation Layer Type 5 (AAL5)
• Multiple Protocol over AAL5 
(RFC 2684, formerly RFC 1483) 
• Bridged or routed Ethernet encapsulation
• VC and LLC based multiplexing
• PPP over Ethernet (PPPoE)
• PPP over ATM (RFC 2364)
• Classical IP over ATM (RFC 1577)
• MAC Encapsulated Routing (RFC 1483 MER)
• OAM F4/F5
Virtual Private Network (VPN) 
• 16 IPSec VPN Tunnels 
 8 L2TP VPN Tunnels (Dial-in: 4, Dial-out: 4)
 8 PPTP VPN Tunnels (Dial-in: 4, Dial-out: 4)
• Embedded IPSec & PPTP client/server
• IKE key management
• DES, 3DES and AES encryption for IPSec
• Embedded powerful 3DES accelerator
• MPPE Encryption for PPTP
• L2TP within IPSec
• L2TP/PPTP/IPSec pass-through
Management
• Quick Installation Wizard and Auto-scan ADSL 
settings
• Web-based GUI for remote and local management
• Firmware upgrade and configuration data upload and 
download via Web-based GUI
• Embedded Telnet server for remote and local 
management
• Available Syslog monitoring
• SNMP v3, MIB-I and MIB-II support
• Supports DHCP server/client/relay
IPTV Application*
• IGMP Snooping
• Virtual LAN (VLAN)
• Quality of Service (QoS)
Quality of Service Control
• Supports the DiffServ approach
• Traffic prioritization and bandwidth management 
based-on IP protocol, port number and address
Operating Environment
• Operating temperature: 0 ~ 40ºC
• Storage temperature: -20 ~ 70ºC
• Humidity: 20 ~ 95% non-condensing
Models & Standards Support
• BiPAC 7402GA: Annex A 
• BiPAC 7402GM: Annex A & AnnexM
• BiPAC 7402GB: Annex B &U-R2
• Annex A and Annex M: ADSL over POTS
• Annex B and Annex U-R2: ADSL over ISDN
*Note: 
1. The router may require firmware modification for certain ADSL2/2+/Annex M DSLAMs.
2. IPTV application may require subscribing to IPTV services from a Telco/ISP.
3. Specifications in this datasheet are subject to change without prior notice.