PCI 8139D Single- RJ45 100M Fast Ethernet NICs

Realtek RTL8139D Integrated 10/100 Ethernet Adapter card Single-Chip 10/100M Fast Ethernet Controller With Power Managmet and Multi-Function

  • PO.: ST701
  • P/N.: SP-LR8139A-BT
  • Bus Type: PCI
  • Media Port: RJ45 Copper
  • Main Chipset: Realtek RTL8139D

Realtek RTL8139D Integrated 10/100  Ethernet Adapter card 

Single-Chip 10/100M Fast Ethernet Controller With Power Managmet and Multi-Function


The Realtek Network Interface Card is a Cost-effective10/100Mbps Fast Ethernet Card. With Auto-Negotiation capability, 

the NIC automatically supports data transmission bandwidth from 10Mbps to 200Mbps. This function smoothly and automatically switches drivers between 10Mbps and 100Mbps . The Network Interface Card is your best choose to improve network performance with the highest prformance/price ratio.


       - Chipset: Realtek Fast Ethernet Controller

       - Bus: PCI V2.2, 32-bit, 33MHz

       - IEEE802.3, IEEE802.3u, and IEEE802.3ab compliant.

       - Support for IEEE802.3x Full-Duplex flow control.

       - Complaint to PC99 and PC2001 standards

       - Auto-Negotiation support for Auto-Detect 10/100Mbps data rate and Full/Half-Duplex operation mode

       - Support ACPI and PCI power management

       - Supports PCI VPD (Vital Product Data)

       - Automatic crossover support for crossover or regular cable

       - Support Wake on LAN function and remote wake-up (Optional)

       - One RJ-45 Port

PCI local bus single-chip Fast Ethernet controller

       • Compatible with PCI Revision 2.2

       • Supports PCI clock 16.75MHz-40MHz

       • Supports PCI target fast back-to-back transaction

       • Provides PCI bus master data transfers and PCI memory space or I/O space mapped data transfers of RTL8139D's 

        operational registers

       • Supports PCI VPD (Vital Product Data)

       • Supports ACPI, PCI power management

       • Supports PCI multi-function to incorporate with other PCI master device

General specification
ControllerRealtek RTL8139D
Bus typePCI v2.2, 32-bit / 33MHz
Connectors1 x RJ45 Copper
Data rate10/100Mbps
Network Standards
Physical Layer Interface
IEEE802.3u Fast Ethernet, 100Base-TX and IEEE802.3 CSMA/CD 10Base-T
IEEE802.3, 802.3u, 802.3ab, 802.2, 802.3x, 802.1p/Q
Operating System

Windows 98SE / ME / NT4.0 / Server-2000 / XP / Server-2003 / Server-2008 /

Windows Vista / Windows 7 / Windows 8 / Windows 8.1 / Windows 10 (32-64bit)

DOS, Linux , Unix

Hardware & environment

LED Indicators10/100 Link: Green - ON (The port is connecting with 100 Mbps)
Active LED: Green - BLINK (Sending/Receiving Packets)
CertificationsFCC, CE, RoHS
Operating temperature0 ~ 70 °C
Storage temperature-55 ~ +125 °C
Packing Accessories list

1 x PCI RTL8139D Fast Ethernet Network card
1 x User's Manual
1 x Low profile bracket


Only the above package contents, other products are not included. 

The allowable error of size measurement is +/- 1~3mm, and the weight of the product is subject to the actual product. 

DimensionsL118 x W40mm (measured without PCIe bracket)
Package SizeL175 x W125 x H30mm (Built-in blister)
Product weight 43.2g
Package weight




PO#P/NSpecificationsOrdering Note
ST701Sp-LR8139A-BTPCI  Fast Ethernet 10/100M Network card  
Based on RTL8139D Ethernet Controller


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