Teardown of a D-Link dir815 Wireless N-Router

Small, cheapish 2 Channel 2.5/5.8Ghz Router with 4 Port 10/100 Switch. Follow the links to get to the datasheets for the IC`s of the device. Full size pictures of the teardown at the end of the page.

 

Programing interface:

There is a Serial (UART) port for the RT3662 chip on the bottom left side of the pcb. The pinout is:

  • RXD
  • 3.3V
  • GND
  • TXD

Serial protocoll: 57600 baud, 8N1 (8 bit, no parity, 1 stop bit).

 

LAN Driver / Switch

  • IC+ IP175D 5 port 10/100 Ethernet switch

Wireless SOC (System on chip)

  • 5.8GHz band, Media Raillink RT3662 dual band N channel, 300MBit/s
  • 2.4Ghz dual band, Raillink RT3092 PCI wireless driver with RF stage

Rf Amplifier Stage:

  • 2x 5GHz siGe 2537L 30dB power amplifier
  • 2x 2.4GHz SST 12P15A 32dB power amplifier
  • Additional lumped & active (?) filters and other small RF stuff

Memory

 

Teardown pictures (Click for full size Download).

IMG_0822
Analog stage of the Dlink DIR815
Backside of the DIR815 PCB
IMG_0818
Dir 815 board overview
IMG_0828
Overview with shield removed.
RT366 Wlan SOC of the DIR815
RT366 Wlan SOC of the DIR815