Right, for the transmitter. That is the mPCI card that goes in the
laptop. I am talking about the laptop itself. Laptop = SBC = WRAP = RB
= ???
Dawn DiPietro wrote:
Scott,
In order for the system to be certified it must include the modular
transmitter and the antenna. If you did not include these parts what
would you be certifying exactly?
As quoted from said document;
The modular transmitter must comply with the antenna requirements of
Section 15.203
and 15.204(c). The antenna must either be permanently attached or
employ a “unique”
antenna coupler (at all connections between the module and the
antenna, including the
cable). Any antenna used with the module must be approved with the
module, either at
the time of initial authorization or through a Class II permissive
change. The
“professional installation” provision of Section 15.203 may not be
applied to modules.
Regards,
Dawn DiPietro
Scott Reed wrote:
And look as I might, I have trouble find what antennae the card
vendor is certified with.
From other discussions, I would ask a couple of additional
questions. If we assume we can find a mPCI card that has WISP usable
antennae in its certification then:
1) Couldn't someone just get an RBxxx or WRAP or whatever SBC
certified as a base unit and we could put the card in it?
2) If an SBC is certified without an enclosure, is it still certified
if it is in a box?
Here is what I am thinking. If we would get an SBC certified bare
as a base unit then we could use it with various cards in whatever
enclosure we want to use. The FCC seems to be interested in RF noise
being emitted. I don't think there are very many enclosures that
increase the RF output, so if a bare SBC is certified, putting it in
a box shouldn't negate the certification. That would be like saying
I can't put my laptop in a suitcase if the laptop is powered on.
If this is the case, getting some of the equipment many of us use in
our operations certified may not be as hard as once thought. And if
we can show the mPCI makers the advantage of including some of the
antennae we use in their certifications, we may be able to legally
use a lot more equipment.
Jack Unger wrote:
Scott,
I believe that your comments are substantially correct.
The main problem that I see with building our own equipment is that
very few (if any) manufacturers of modular wireless cards have
certified them with a range of usable external WISP-grade antennas.
I don't think this 2nd Report and Order changes that. Also, remember
that the software used must limit operation of the complete system
only to those frequencies and power levels that are legal in the U.S.
jack
Scott Reed wrote:
I haven't read it really well and I have not yet looked up the
referenced sections of Part 15, but I read the part that is not
about "split modular" to be the part the refers to a PC. And I
read it that if the PC is certified to have radio cards AND the
radio card is certified with an antenna, then that PC, radio card
and antenna can be used.
So, if that is true, then Tim may be on the right track. Jack is
right, not any "base," but I would read it that any "certified
base" is doable.
I have often wondered how it works for laptops, but hadn't bothered
to find it. This makes sense. Ubiquiti certifies the CM9 card
with a set of antennae. Dell certifies the laptop for a radio
card. Putting a CM9 in Dell's laptop is fine as long as it
connects to an antenna, using the proper cable, that was certified
with the CM9.
Therefore, if MT can get an RBxxx board certified as a "base" unit,
we should be able to use a CM9 in that RBxxx with the proper
antenna and be good. The "gotcha" here is those sections of Part
15 I have not yet followed up on. I am not sure what the
"professional installer" stuff is about.
What am I missing or is this good news?
Jack Unger wrote:
Tim,
I read the 2nd Report and Order and I don't see where it is saying
that a certified mini PCI radio can be put into any "base" unit.
I think what the FCC is doing is:
1. Providing eight criteria that clarify the definition of what a
legal modular assembly is.
2. Allowing some flexibility regarding on-module shielding, data
inputs, and power supply regulation.
3. Clarifying the definition of what a "split" modular assembly is.
4. Defining the (somewhat flexible) requirements that a "split"
modular assembly must meet.
Although a motherboard will certainly contain an operating system,
I don't think that a mini PCI radio plugged into any motherboard
meets the FCC's definition of a "split" modular assembly. I think
the FCC considers a "split" modular assembly to be where circuitry
that today would be contained on a single modular assembly is (now
or in the future) "split" between two different physical
assemblies. This splitting allows more equipment design
flexibility because one "transmitter control element" (the new
term that the FCC formerly called the module "firmware") could
theoretically be interfaced with and control more than one "radio
front end" (the amplifier and antenna-connecting) section.
Of course, that's just my interpretation. I'll bet others could
add more detail. The bottom line is - I don't think this 2nd
Report and Order contains anything that will substantially change
the way we do business.
jack
Tim Kerns wrote:
Am I reading this correctly???? Does this mean that if a mfg of a
mini pci radio gets it certified with different antenna, that it
then can be put into ANY base unit and be certified?
Please correct me if I'm wrong, but isn't this what we have been
asking for?
Tim
----- Original Message ----- From: "Dawn DiPietro"
<[EMAIL PROTECTED]>
To: "WISPA General List" <wireless@wispa.org>
Sent: Wednesday, April 25, 2007 8:36 AM
Subject: [WISPA] Modifications of Parts 2 and 15 of
the,Commission’s Rules for unlicensed devices and,equipment approval
All,
I just received this document and thought it might be of some
interest to the list.
http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-07-56A1.pdf
Regards,
Dawn DiPietro
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