Welcome to the CSIR Meraka Institute's "COIN" Blog

Wednesday, November 03, 2004

Linksys WRT54G specs summary



* WAN: One 10/100 RJ-45 port for WAN connectivity
* LAN: Four 10/100 RJ-45 Auto-MDI(X) switched ports
* WLAN: 54mbps 802.11g on a MiniPCI card (1.0)/built-in (1.1) with dual external RP-TNC antenna ports

LED Indicators (1.0):

* Power, DMZ, Diag
* WLAN: Act, Link
* LAN: Link/Act, Full/Col, 100
* Internet: Link/Act, Full/Col, 100

Channels: 1-11 (USA)

System requirements: One PC (200MHz or Faster Processor) with: 64MB RAM, Internet Explorer 4.0 or Netscape Navigator 4.7 or Higher for Web-based Configuration, CD-ROM Drive, Microsoft Windows 98, Me, 2000, or XP, a 802.11g or 802.11b Wireless Adapter with TCP/IP Protocol Installed or Network Adapter with Category 5 Ethernet network cable and TCP/IP Protocol installed

In the box: Wireless-G Broadband Router, Power Adapter, Setup CD-ROM with User Guide, Ethernet Network Cable, Quick Installation guide, Registration Card

Device details:

* Width: 7.32 inches
* Height: 1.89 inches
* Depth: 6.89 inches
* Warranty, parts: 1-year limite
* Warranty, labor: 1-year limited

Transmit Power: 15 dBm (Can be increased to 20db/84mw) (FIX: 84mw=19.24db) Info: 15db=31mW 17db=50mW 20db=100mW

Receiver Sensitivity (unconfirmed):

* -65db for ofdm 802.11g 54 megs
* -80db for dsss 802.11b 11 megs

Power (1.0?): 5V @ 2.0A, center

Power (2.0): 12V @ 1.0A, center positive. (Regulated internally down to 3.3V by an AnaChip? 1501-33, so the unit should be very tolerant of input fluctuations from 5 to 40 volts. Get the polarity right and it'll make do with whatever you give it.)

To turn on ripd and zebra, go to Advanced -> Routing -> Dynamic Routing and click Apply."


njappboy said...

Quick How-To:

How-To Determine dBi from mW

log(mW) * 10 = dBi

so for 84mW

log(84) * 10 = 19.24dBi

for 251mW (sveasoft firmware max)

log(251) * 10 = 24 dBi

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