It is a W5500 ethernet with an RJ45 adapter. The W5500 from Wiznet does the TCP/IP Protocol and simplifies the output for the end user with the given male header pins.
Specifications:
- Does not support IP Fragmentation
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3.3V operation with 5V I/O signal tolerance
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LED outputs (Full/Half duplex, Link, Speed, Active)
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48 Pin LQFP Lead-Free Package (7x7mm, 0.5mm pitch)
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Chip type: W5500
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Supports both 3.3V & 5V.
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Hardwired TCP/IP Protocols : TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE
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10BaseT/100BaseTX Ethernet PHY embedded
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Supports automatic response (full duplex / half duplex mode)
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Supports 8 independent sockets simultaneously
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Internal 32Kbytes Memory for Tx/Rx Buffers
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Power off mode: supported
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Network wake: supported
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SPI interface (SPI MODE 0, 3), convenient connection with MCU
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Dimesions: 55mm x 28mm
 
    
             
 
 
 
 
  
 