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Computer security expert needed
wbha Posted in electronics，
12
January
2012
We are looking for a computer security expert to troubleshoot computer and laptop problems and suggesting methods to minimize damage by hackers.
Please send your resume by PM to the admin at free work at home jobs, with details of companies you have worked for earlier.
Regular work is available for competent freelancers.
WTB: Wifi Jammer
wbha Posted in electronics，
02
January
2012
Want to buy a Wifi Jammer for blocking unwanted WiFi signals over an area of 500 sq. ft.
Please send the following details so that the order can be placed at the earliest.
1. Specifications
2. Prices
3. Payment terms
4. Minimum order quantity
You can post your offer as a comment.
Fix your computer problems
wbha Posted in components, electronics，
20
September
2011
Repair your computer
Though new models of computers and laptops are introduced on a regular basis, the problems faced by computer users remain the same. Hardware problems like those related to a mouse, keyboard, hard drive , monitors are similar to those faced a few years ago. Operating systems have changed in last 5 years. Wifi networks are used today, making it easier for hackers to access your computer data. While an AMC is suitable for a large number of computers, it is better to learn how to fix minor problems yourself.
Man in the middle attack
waco Posted in electronics, Technology, telecom，
04
May
2011
With advances technology, man in the middle attacks are becoming increasingly common even in telephonic conversations. The intruders (who are often part of criminal gangs) will eavesdrop on conversations for years, so that they can replicate the voice of the 2 parties. They will then make phone calls whenever they want, at their own convenience.
Cenix voice recorder
waco Posted in electronics, recorder，
17
November
2010
Cenix voice recorder , model VR – P2340
The manual is common to both VR-P2170 (shorter recording time of 33hours) and VR-2340, but you can find the exact model no. by removing the battery cover.
Since this is a specialised voice recorder, it is very well designed and easy to use, with the voice recording start / stop and playback buttons in front. It has a provision for both High quality and low quality voice recording.
Air traffic control
waco Posted in aviation, components, electronics，
09
May
2010
Components for air traffic control
Bandpass Cavity:
137 MHz
144 MHz
BpBr Circuit Duplexer
144 MHz
VHF Equipment – PreSelector
VHF Equipment – TX Filter
Filters & couplers
waco Posted in components, electronics，
09
May
2010
Bandpass Filter
Features: High rejection, Low Insertion loss, , Compact design,
Rugged construction,
RX Multicoupler
Features: High gain, Low noise, Low cost, Isolated output ports,
+30dBm IP3, 2 & 4 Channel Options, Redundant amplifier
options, Optional preselector
2 Channel Hybrid Combiner
Features: Broadcast Frequency Agile, Close channel separation,
125W Power handling, Optimum use of space, Available
with Power/VSWR Monitoring, Optional preselector
Mobile components
waco Posted in components, electronics，
10
April
2010
Mobile components for cellular, GSM
Crossband Coupler
Duplexer
Full Band Duplexer
RX Bandpass Filter
DAMPS Cross Band Coupler
Masthead Amplifiers
Duplexer
waco Posted in components, electronics, telecom，
26
March
2010
Bandpass Duplexer
Features: High Tx-Rx rejection, Low Insertion loss, High power handling,
Compact design, 19″ Rack mounting option available
Tetra Bandpass Duplexer
Features: High Tx-Rx rejection, Low Insertion loss, Temperature
compensation design, Bandwidth options, 19″ Rack
configuration, Other configuratons available
Telecom products
waco Posted in components, electronics, telecom，
20
February
2010
Products used by the telecommunications industry worldwide are designed for high levels of reliability, in adverse RF and environmental conditions, worldwide.
The products include:
tower top amplifiers
coaxial cavity filters
duplexers
ferrite isolators
transmitter combiners
receiver multicoupler systems