PCI Single Fast Ethernet Network card RTL8139D

Integrated 10/100M Ethernet Adapter card for PCI applications

  • PO: ST701
  • P/N: SP-LR8139A-BT
  • Chipset: Realtek RTL8139D
  • Host Bus: PCI
  • Interface: RJ45 Copper
  • Data rate: 10/100Mbps

Integrated 10/100  Ethernet Adapter card 

For PCI applications


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)

      ▪ 1 x RJ-45 Port

Basic Features
Main ChipsetRealtek 8139D
Bus Type

PCI * Rev2.2

ConnectorRJ-45 (Copper)
Transmission rate10/100Mbps
Cabling100Base-Tx Cat5, Cat5E, Cat6 or higher: up to 100m
10Base-T Category 3, 4, 5, 5E, 6 or higher: up to 100m

IEEE Standard / Network topology

10/100BASE-T Fast Ethernet 

IEEE 802.3z, IEEE 802.3, IEEE 802.1Q VLANs, IEEE 802.3x, IEEE 1588, IEEE 802.3az - Energy Efficient Ethernet (EEE)

System RequirementsWindows XP / ME / Server 2000 / Server 2003 / Server 2008 / 
Vista / Win 7 / Win 8 / Win 8.1 / Win 10 32&64Bit
Applicable fields

Home or office use

CertificationsFCC, CE, RoHS
Metal BracketFull-height end bracket / Low-profile end bracket
LED IndicatorsLink/Activity LED: Green + Orange
Operating temperature0 ~ 55 ℃ (32 ~ 131℉)
Storage temperature-40 ~ 70 ℃ (-40 ~ 158 ℉)
Storage humidity90% Non-condensing relative humidity at 35 ℃
Packing details
Dimensions (unit: mm)
Package Size(LxWxH)175x 125 x 30 mm

1 x PCI Single Fast Ethernet Network card RTL8139D

1 x User's Manual

1 x CD Driver

1 x Low profile bracket

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