CPU: Dual-core processor, 800 MHz

RAM: 512 MB DDR2 (expandable up to 2 GB)

Flash Memory: 256 MB Compact Flash (expandable up to 4 GB)

LAN Ports: 3 × Gigabit Ethernet ports (10/100/1000 Mbps)

WAN Interface Slots: 4 × EHWIC slots (Enhanced High-Speed WAN Interface Cards)

Network Module (NM) Slot: 1 slot

Digital Signal Processor (DSP) Slots: Supports PVDM3 for voice processing

USB Ports: 2 USB ports (Type A and Type B)

Console & AUX Ports: RJ-45 Console and Auxiliary port

VPN Support: Built-in support for IPSec and SSL VPN

Security Features: Zone-Based Firewall, Intrusion Prevention System (IPS) support

Voice Support (VoIP): Supports FXS/FXO modules, SIP, SCCP, and voice gateway functions

PoE (Power over Ethernet): Supported via external PoE module

Dimensions: 17.3 x 3.5 x 12 inches (W x H x D) ≈ 43.9 × 8.9 × 30.5 cm

Weight: Around 6.8 kg (15 lbs)