HiLetgo ENC28J60 ENC28J60-I/SO HR911105A Ethernet LAN Network Module SPI Interface 3.3V for Arduino AVR PIC LPC STM32 Share 0 See on Amazon Main Chip: ENC28J60-I/SO The board 25MHZ crystal RJ45 connector HR911105A isolation transformer Power supply 3.3V
28 Port 2.5G Web Managed Switch, 24×2.5G Ethernet, 4×10 Gigabit SFP Ports, Web/CLI L3 Managed, Metal Multi-Gigabit Desktop/Rackmount Binardat Network Switch
9 Port 2.5G PoE Switch, 8 x 2.5G Base-T PoE Ports with 1 x 10G SFP, IEEE802.3af/at, 120W Unmanaged 2.5Gb Network Switch Compatible with 100/1000/2500Mbps for AP, PC/Metal/Fanless/Wall Mountable
Gigabit Ethernet Media Converter, MultiMode Dual LC Fiber to Ethernet RJ45 Converter for 10/100/1000Base-Tx to 1000Base-SX(with a SFP MMF 850-nm Module), UL Certified, up to 550-m, Pack of 2