Tagged Questions
0
votes
0answers
42 views
Embedded project using Mux and Demux for antenna
In our current embedded project we are implementing a GPS ,GSM and Wifi Module. To connect these modules to external antenna board,separate SMA cables are used.As our design requires each of the ...
1
vote
2answers
71 views
Embedded system with SMA connectors
I am developing an embedded system that performs GPS and Wifi operation with separate modules for each and two SMA connectors to connect the respective antennas. Once it is being installed, is there a ...
1
vote
1answer
77 views
WiFi antenna 1T1R mode
I have a question related to 802.11n wi-fi antenna. What actually do we mean by 1T1R mode for Wi-Fi?
As per wiki, the same channel is used for Tx & Rx:
http://en.wikipedia.org/wiki/MIMO
...
2
votes
1answer
179 views
WiFi antenna's shield
Newbie question:
I've an Android TV stick (Rikomagic MK802 III) and I'm having wifi signal problems. I've opened the device, and this is what I've found:
Both the wire and the shield are connected ...
0
votes
1answer
312 views
Boosting wifi antenna with aluminum foil: ideal placement/size?
On more than one occasion I have successfully (and significantly) improved the wifi signal a desktop computer was getting simply by taking a flat sheet of aluminum foil and curving it into a ...
1
vote
2answers
87 views
Using a WiFi antenna for UMTS
I'm thinking of increasing my 3G USB modem's signal reception using an antenna. I know a UMTS(2.1 GHz) antenna is recommended.
I need to know whether a WiFi (2.4 GHz) antenna will do the job (as I ...
3
votes
2answers
279 views
Does Wifi signal strength affect link speed?
If Windows says my signal strength is poor, is my bit-rate lower than if Windows says the signal strength is excellent? I have poor signal strength and I have:
1) raised my access point to clear ...
0
votes
1answer
117 views
wifi antenna issue signal amp 10 dbi antenna
I am running a dlink 2100ap with a (30dBm) 1W signal amp to a 10 dbi antenna. I am having issues picking up the signal on my laptop, could it be possible that the amp is making the antenna broadcast ...
4
votes
1answer
334 views
How does a wifi antenna work in full-metal laptops?
As far as I understand, metallic covers of devices like MacBook Air should shield the interior from electromagnetic waves rather effectively.
Even if a wifi antenna is right behind the screen, the ...
-1
votes
1answer
115 views
Wifi device with directional antenna and programmable power [closed]
I need to set up a cheap device for an experiment that sends Wifi signal in a single direction but also allows me to set the power level on the Wifi signal.
I've tried to find a solution and looked ...
2
votes
0answers
509 views
Add external antenna to router with only internal antennas? [closed]
Does anyone know if its possible to add an external antenna to a router with only internal antennas? I'm trying to improve the signal of my Linksys e4200v2. I'd like to add a high gain antenna if ...
3
votes
4answers
1k views
Does higher dBI mean further range, for an antenna?
I recently purchased this (ridiculously expensive) Bluetooth module for my Arduino from SparkFun. On the item's page it says that it has been tested at 100m. I contacted SparkFun for info about ...
3
votes
2answers
342 views
Anyone got any idea what type of antenna these Wireless routers that have no “visible” dipole antenna on the outside use?
Referring to these type of wireless routers' antennae like : Netgear N150 and Linksys E1500
