I had check with IBM technical support. This model does not have internal antenna. This model is fro auction. I bid it from eBay for 920$, everything is good except no antenna inside. And it comes with 3 years warrantee.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jim Thompson Sent: Thursday, August 12, 2004 11:27 PM To: [EMAIL PROTECTED] Subject: Re: [SOCALWUG] PCB Antenna In terms of gain, that will fit in a laptop? Yes, but the design will be essoteric. Are you sure you don't have one inside the laptop already? http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR -44060 On Aug 12, 2004, at 4:33 PM, mis.scottlu.hq.us wrote: > Maybe no gain antenna is ok. > I have a mini-pci 802.11b card from IBM. > > I had made a simple Dipole antenna and plug to mini-pci, seems it make > good signal(use software on laptop to view signal strength). > > Just want to know if there is any good design of pcb antenna better > than > simple dipole antenna. > > Thanks a lot > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of Jim Thompson > Sent: Thursday, August 12, 2004 7:06 PM > To: [EMAIL PROTECTED] > Subject: Re: [SOCALWUG] PCB Antenna > > It may already have one. > > As for no gain, I assume that you mean they provide 0dBi, which is > true. > > However quick question: how many mW in 0 dBm, 1dBm and 2dBm? > > Now remember that ye olde standard rubber duckie on that AP you got at > Fry's (or even from Cisco) has a 2.15dBi antenna on it. This is > about 65% more EIRP than a 0dBi antenna, but, in the great scheme of > things, not all that much. > > On Aug 12, 2004, at 2:10 PM, mis.scottlu.hq.us wrote: > >> Thanks a lot, >> Cause I want to add an internal antenna for my laptop "IBM X30". >> >> -----Original Message----- >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On >> Behalf Of Jonathan Kramer >> Sent: Thursday, August 12, 2004 4:42 PM >> To: [EMAIL PROTECTED] >> Subject: RE: [SOCALWUG] PCB Antenna >> >> PCB antennas are generally inefficient, and provide for no gain. >> Here's >> an >> interesting application note that illustrates what you can expect from > >> a >> PCB >> antenna for WLAN service: >> >> http://www.etenna.com/literature/application_notes/ >> EA5800%20App%20Note.p >> df >> >> >> Jonathan Kramer >> www.CableTV.com >> >> >> >> -----Original Message----- >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On >> Behalf >> Of mis.scottlu.hq.us >> Sent: Thursday, August 12, 2004 3:24 PM >> To: [EMAIL PROTECTED] >> Subject: [SOCALWUG] PCB Antenna >> >> >> I am looking for PCB Antenna design for WLAN. >> thanks
