So have you seen this? http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=3D748-1000= -ND Mark Vitaliy wrote: > Ruben, > > Yes we have, MRF24J40MA will be plan B. The big difference is cost, for t= he = > two sides you need $20, vs. about $6 for the MRF49XA (this includes the c= ost = > of passives + PCB + building the module, but not FCC certification). > > We may end up using both, but saving $14 per device is very tantalizing a= nd = > for the particular application we have in mind, range can be sacrificed (= 15 = > ft LOS would be plenty) and communication is point-to-point (not mesh). > > Please remember to share your experience with the MRF24J40MA once you get = > around to playing with it. :) > > Vitaliy > > > ----- Original Message ----- = > From: "Ruben J=F6nsson" > To: "Microcontroller discussion list - Public." > Sent: Wednesday, February 03, 2010 01:36 > Subject: Re: [EE] Wireless with the MRF49XA > > > Have you looked at the MRF24J40MA module for the 2.4GHz ISM band? > > Complete module with integrated pcb antenna and matching circuit, crystal = > and > voltage regulator for less than 10$. FCC, IC and ETSI compliant and with > regulatory approvals for modular devices. > > I/RM-ND> > > Range is up to 400m (outside, line of sight according to the datasheet). > > Can be used with microchips zigbee or miwi (p2p) stack. > > I have not used it yet but am planning to do some experiments for a wirel= ess > "intelligent home network" that initially uses temperature sensors and = > switches > to do in-house room to room heating management. > > /Ruben > > > = >> http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=3Den541404 >> >> Has anyone done a project with this chip? >> >> It looks insanely cheap for the performance you get, I'm trying to >> understand what the catch is. What is the (approximate) range? >> >> Vitaliy >> >> -- = >> http://www.piclist.com PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> >> = > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D > Ruben J=F6nsson > AB Liros Electronic > Box 9124, 200 39 Malm=F6, Sweden > TEL INT +46 40142078 > FAX INT +46 40947388 > ruben@pp.sbbs.se > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D > > = -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist