• 5 × 10/100Mbps adaptive RJ45 interfaces. • IEEE 802.3 (10BASE-T) and IEEE 802.3u (100BASE-TX). • IEEE 802.3x full-duplex and backpressure half-duplex • Store-and-forward architecture with wire-speed filtering • Automatic MAC address self-learning and aging • up to 2.5W maximum (powered by an external 5V DC adapter) • A highly compact plastic housing measuring 8.2 × 4.9 × 2.1 cm