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"fiber optic network interface cards"
RS485 to Ethernet Converter with High-Speed Low-Power High-Stability Up-gradable Easy to Communicate Between RS485 and RJ45 Port Ethernet
Limited time offer, ends 10/31
$61.98
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RS232/485 to WiFi and Ethernet Converter with POE, Serial Server, Modbus Gateway, MQTT Gateway, Serial Port to HTTPD Client
Limited time offer, ends 11/04
$103.87
Free Shipping
RS485 to RJ45 Ethernet with POE Function Modbus/MQTT Gateway, Bi-Directional Transparent Data Transmission Between RS485 and Ethernet, 6~36V DC Screw Terminal, or PoE Port Power Supply
Limited time offer, ends 11/04
$78.39
Free Shipping
waveshare Industrial IoT 5G/4G/LoRa Wireless Expansion Board with UPS Module for Raspberry Pi Compute Module 4 Lite/eMMC Series, with CSI/HDMI/USB/Gigabit Ethernet/CAN / RS485 / M.2 B Key Interfaces
Limited time offer, ends 10/31
$114.58
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PCIe to Gigabit ETH Board (C) for Raspberry Pi 5,10/100/1000Mbps Network Standard,Pice x1 GEN2 Interface,RJ45 Gigabit Ethernet Port
Limited time offer, ends 11/01
$22.49
Free Shipping
RS232/485 to WiFi and Ethernet Converter Serial Server, Modbus Gateway, MQTT Gateway,Serial Port to HTTPD Client, Allow Serial Port to WiFi, Serial Port to Ethernet, Ethernet to WiFi
Limited time offer, ends 11/04
$92.11
Free Shipping
2-Channel UART to Ethernet Converter, Serial Port Transparent Transmission Module UART TTL and RJ45 Ethernet Bi-Directional Transmission, with Control Pin for Raspberry Pi/Arduino/STM32,ect.
Limited time offer, ends 11/04
$30.47
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3.0 Expansion Card 4-Port PCIE to 3.0 Expansion Controller Adapter for Narrow Spaces, Thick GoldPlated PCIE Interface, Card with Larger Heat Sink
Limited time offer, ends 10/31
$54.43
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PCIe to M.2 E Key Adapter with PoE HAT & Wireless-AX210 Module for Raspberry Pi 5, NGFF M.2 E Key NIC Compatible, Power Over Ethernet, 16PIN PCIe Interface, 5V/12V Output, Stackable GPIO Header
Limited time offer, ends 11/01
$144.98
Free Shipping
PCIe to USB 3.2 Gen1 Expansion Card for Raspberry Pi 5, PCIe Interface to 4X High Speed USB 3.2 Gen1 Ports,Plug and Play
Limited time offer, ends 11/01
$49.91
Free Shipping
PCIe FFC Connector to Standard PCIe x1 Slot Adapter Board, Support Raspberry Pi 5, Compatible with PCIe X1, X4, X8, and X16 Interface Devices
Limited time offer, ends 11/01
$43.68
Free Shipping
PCIe to USB 3.2 Gen1 Expansion Card for Raspberry Pi 5, PCIe Interface to 4X High Speed USB 3.2 Gen1 Ports,Plug and Play
Limited time offer, ends 11/01
$63.89
Free Shipping
PCIe FFC Connector to Standard PCIe x1 Slot Adapter Expansion Board (C) for Raspberry Pi,Compatible with PCIe X1, X4, X8, and X16 Interface Devices
Limited time offer, ends 11/01
$50.14
Free Shipping
LinksTek 2-Port PCI Express RS-232 DB9 Serial Port Card for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs, PCIE RS232 Card, PCIE Serial DB9 Port Card (PCIE-SE2)
Limited time offer, ends 10/31
$49.48
Free Shipping
LinksTek 2-Port PCI Express RS-232 DB9 Serial Port Card for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs, PCIE RS232 Card, PCIE Serial DB9 Port Card (PCIE-SE2)
Limited time offer, ends 10/31
$49.48
Free Shipping
PCIe FFC Connector to Standard PCIe x1 Slot Adapter Board, Support 5, Compatible with PCIe X1, X4, X8, and X16 Interface Devices
Limited time offer, ends 10/31
$47.28
Free Shipping