Frequently Asked Questions (FAQ's)
Table
of Contents
Why
purchase Bluetooth OEM radios over other proprietary
radio modem products?
Why
is BlueRadios so different from other transceiver data
radio product suppliers?
I thought Bluetooth was only meant to be used within
a 10-20 m range?
Does
Bluetooth work on a broadcast methodology?
I
know that the 2.4 GHz band is license-free, and is therefore
used for many different types of applications.
Won't the Bluetooth transmission get interference from
all these different applications?
Don't
microwave ovens also work at about the same frequency, and
won't they interfere with a Bluetooth signal?
What
about security issues? I've heard that Bluetooth is
not very secure.
Where
will I be able to buy the BlueRadios products?
Will
the BlueRadios products be very expensive?
Why
use Bluetooth and not 802.11 / WiFi?
Is
Bluetooth good for location awareness?
Q. Why purchase Bluetooth OEM radios
over other proprietary radio products?
A. Interoperability and self discovery networking is at the
core of Bluetooth technology which translates into
seamless integration, installation and configuration to the
adopter or end user. Bluetooth is the only technology
that provides a separate dedicated voice channel. Proprietary
wireless OEM radios require additional custom networking software
and do not follow an international standard and will not communicate
with any other products on the open market. So before you
spend money on another short lived proprietary wireless solution
you better think again!
Q. Why is BlueRadios
so different from other transceiver data radio product suppliers?
BlueRadios
does not require a host controller Bluetooth embedded
stack and application. The Intelligent Serial Module AT Command
Set data radio modem interface is built into the RF Base band
processor. The product works like a wireless wire to the microcontroller
or virtual socket to a PC, it is as simple as that! A 2.4GHz
ceramic chip antenna is already integrated with the module
and we can instal custom firmware prior to shipment
Q.
I thought Bluetooth was only meant to be used within
a 10-20 m range?
A. Bluetooth
as originally envision was mainly aimed at cable replacement
and synchronization applications, in which case the above
range was quite adequate. Newer applications, however, require
longer distances, which are why a more powerful Bluetooth
radio module, Class1 have been developed with 100mW output
power for a +300 meter / (1000) feet range. BlueRadios
devices you can custom set the output power via software commands
to achive desire performance.
Q.
Does Bluetooth work on a broadcast methodology?
A. No, Bluetooth uses channels to establish connections.
The radio must be connected to another radio modem for it
to receive information. A point-to-point network has one available
channel. Multi-point network has 7 simultaneous connection
channels. You can park thousands of radio connections.
Q.
I know that the 2.4 GHz band is license-free, and is therefore
used for many different types of applications. Won't the Bluetooth
transmission get interference from all these different applications?
A. The Bluetooth
radio has built-in frequency hopping. The transmission hops
through 79 different frequencies at a rate of 1600 hops/second.
This gives a very robust transmission, which is not easily
susceptible to external interference. It also has guaranteed
packet delivery implemented and built in encryption and authentication.
Q.
Don't
microwave ovens also work at about the same frequency, and won't
they interfere with a Bluetooth signal?
A. It is correct
that microwave ovens work at a nominal frequency of 2.45 GHz,
which places it in the middle of the so-called ISM band (2.4
GHz). However, modern microwave ovens are well shielded and
tests have been made at very short distances (down to 1 m)
from active microwave ovens, and the Bluetooth signal
has remained intact.
Q.
What about security issues? I've heard that Bluetooth
is not very secure.
A. It is just
the opposite. First-level security is actually provided by
the frequency-hopping function within the Bluetooth
radio. In addition to this, the Bluetooth specification
provides built-in encryption PIN codes, which allow encryption
up to 128 bits, which is considered to be a satisfactory level
for financial transactions. Lastly the technology is based
on channel connections not broadcast methodology like other
radio proprietary technologies.
Q.
Where will I be able to buy the BlueRadios products?
A. Contact BlueRadios,
Inc. at info@BlueRadios.com
for information on purchasing BlueRadios
products directly from the Company or what we call factory
direct. Company does not sell through distributors to maintain
the lowest cost to and direct technical support to the client.
Q.
Will the BlueRadios
products be very expensive?
A. No, our product
is the lowest priced wireless solution on the market when
you take into account all the standard features and no development
and certification costs. However, even from startup, the BlueRadios
products are less expensive when compared with other competitor
products available on the market. The BlueRadios
solution does not require a Bluetooth host controller
embedded stack license or fees. Product includes integrated
antenna, custom software, and Bluetooth profiles.
Q.
Why use Bluetooth and not 802.11 / "Wi-Fi"?
A. Bluetooth
is smaller, lower cost, lower power consumption, has dedicated
voice channel, and self discovery protocol. Cell phones, PDA's,
laptops, and PC's are shipping now with Bluetooth technology
already installed! 802.11 is for wireless personal computer
networks and is not suited for battery powered mobile personal
area networks."A completely unproved business model -
a niche product for niche users"
Click here for
- Skepticism on 802.11 / Wi-Fi. (228KB)
Bluetooth
is also ideal Technology for Wireless,
Location-based Internet Services
|
Bluetooth
|
IEEE 802.11
|
DECT
|
3G
|
| Cheap
(Modules, Airtime, (ISM)) |
++
|
+
|
+
|
-
|
| High
Bandwidth |
o
|
++
|
-
|
o
|
| Short
Range |
++
|
o
|
o
|
-
|
| Small
Size |
++
|
+
|
+
|
+
|
| Low
Power Consumption |
++
|
o
|
+
|
o
|
| High
Interoperability |
++
|
++
|
o
|
++
|
| Security |
+
|
+
|
-
|
++
|
|
|
|
|
|
| Location
Granularity Basic (m) |
10-15
|
100
|
100
|
5-1000
|
| Location
Granularity Supported (m) |
0.5
|
5
|
-
|
1-50
|
|
SCOPE
|
Cost, Power
Location-
awareness
|
Performance
|
Voice
|
Coverage
|

|