The height may be a factor. That is interesting. I
tested it on the ground. My maximum distance in
an open football field with PCB antenna is
25 meter ( 80 feet ?) that
is similar result to 100 feet. In such a
short distance the PCB antenna is not much helpful outdoor. Anybody
knows the in
How high off the ground do you have the motes? To get good transmission distances I would recommend to you that you place them at least 1 yard off the ground, 2 yards is even better. I have done range testing with the standard antenna and some external antennas in an open hay field. We had simil
I have only had a max distance of 100 feet outdoor line of sight :(
-Matt
Chang Li wrote:
What is the maximum distance between two motes who can communicate
outside by your chip antenna?
Hi,
Does anyone know the dBi gain of the PCB antenna on the tmote sky
modules?? We have layed out a bo
; <[EMAIL PROTECTED]>
>To: "Matt Thompson" <[EMAIL PROTECTED]>
>CC: tinyos-help@Millennium.Berkeley.EDU
>Subject: Re: [Tinyos-help] Antenna gain on tmote
>Date: Tue, 18 Jul 2006 11:03:04 -0700
>
>Tmote Sky's antenna has about a 1-3dBi gain. Impedance mat
in
impedance matching?
Best Regards,
Terence
From: "Joe Polastre" <[EMAIL PROTECTED]>
To: "Matt Thompson" <[EMAIL PROTECTED]>
CC: tinyos-help@Millennium.Berkeley.EDU
Subject: Re: [Tinyos-help] Antenna gain on tmote
Date: Tue, 18 Jul 2006 11:03:04 -0700
Tmote
What is the maximum distance between two motes who can communicate
outside by your chip antenna?
Hi,
Does anyone know the dBi gain of the PCB antenna on the tmote sky
modules?? We have layed out a board with fractus 1dBi gain antennas,
and we're not getting close to the range of the tmote
Tmote Sky's antenna has about a 1-3dBi gain. Impedance matching is
tough, and it took a few tries for us to get the right match.
-Joe
On 7/18/06, Matt Thompson <[EMAIL PROTECTED]> wrote:
Hi,
Does anyone know the dBi gain of the PCB antenna on the tmote sky
modules?? We have layed out a board
Hi,
Does anyone know the dBi gain of the PCB antenna on the tmote sky
modules?? We have layed out a board with fractus 1dBi gain antennas,
and we're not getting close to the range of the tmote antennas. Trying
to figure out if this is due to lack of gain, or other
design/manufacturing issue
