USB 2.0 to Ethernet 10/100 RJ45 Network LAN Adapter for Windows 7/8/10/Vista/XP
The SR9900 is a highly integrated, low-power, single-chip USB 2.0 to 10/100M Ethernet control IC. It integrates a USB 2.0 transceiverand a IEEE802.3 / IEEE802.3az-2010 10/100M Ethernet module. It is fully compatible with Microsoft's NDIS5 and NDIS6 (IPv4, IPv6, TCP, UDP) checksum features, supports IEEE802 IP2 layer priority coding, and IEEE802.1Q VLAN.

Chipset Features:
• Fast 10/100M Ethernet interface, supports USB full speed and high speed mode
• Supports CDC-ECM
• Network cable cross detection and automatic correction
• Auto-negotiation function
• Compatible with IEEE 802.3 10Base-T/100Base-TX/100Base-FX
• Supports twisted pair exchange, polarity, phase offset correction
• Supports full duplex IEEE 802.3x flow control and half duplex conflict pressure fallback flow control
• Supports IEEE 802.1Q VLAN tag
• Supports IEEE 802.3az-2010 (EEE) energy saving mode
• Dynamic power management reduces no-load and light load power consumption
• Supports Wake-on-LAN through network link status change, magic packet, and remote wakeup events
• Working temperature: 0℃ to 70℃
• Built-in TX/RX packet buffer
• Built-in IPv4/IPv6 packet checksum bearer engine, supports IPv4 TCP/IP/UDP/ICMP/IGMP, IPv6 TCP/UDP/ICMPv6 packet verification generation and inspection
• Supports Protocol Offloads (ARP and NS)

While it should not be necessary to download drivers, they are available for download here:
https://www.jacobsparts.com/images/drivers/SR9900.zip

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