SIGNALPEN(TM) PENCIL SIZE RF DETECTOR LIGHT, 60 Hz to 1.2 GHz, Miliwatts to Kilowatts, Direct Contact or Inductive Detector, No Battery! Fits in Shirt Pocket!Product Details
SignalPen(TM)
Our device, in the style of a pen. A portable device that you hold at the end of the pen to detect any RF signal source in close proximity without a battery. It uses RF electromagnetic field as a power source to light up an indicating light. Simple tool/instrument to locate or troubleshoot any RF source from handheld transceiver, mobile radios, or base station and radio repeaters. This device also detects a high voltage AC power line from 15kV and above, also a handy tool for electrician. Just store in shirt pocket like your other pens!
Self-Powered RF Detection Light (No Battery Needed)
Product Dimensions: The size of a pen
Specifications: 60 Hz to 1.2 GHz
For Optional Models: 2.4 to 6 Ghz Min. to Max.
RF Powered Detection: Milliwatts to Kilowatts
Proximity Detection: Wireless: 0.5 in to 3 ft
Capable of in-circuit detection from 20 mW. 30 seconds at 100W
Warranty: 3 years warranty no matter what, except:Intentional breakage and tampering of device
USER MANUAL
HF 1-61 MHz coax feed line common mode chokes
SignalPen(TM)
Our device, in the style of a pen. A portable device that you hold at the end of the pen to detect any RF signal source in close proximity without a battery. It uses RF electromagnetic field as a power source to light up an indicating light. Simple tool/instrument to locate or troubleshoot any RF source from handheld transceiver, mobile radios, or base station and radio repeaters. This device also detects a high voltage AC power line from 15kV and above, also a handy tool for electrician. Just store in shirt pocket like your other pens!
Self-Powered RF Detection Light (No Battery Needed)
Product Dimensions: The size of a pen
Specifications: 60 Hz to 1.2 GHz
For Optional Models: 2.4 to 6 Ghz Min. to Max.
RF Powered Detection: Milliwatts to Kilowatts
Proximity Detection: Wireless: 0.5 in to 3 ft
Capable of in-circuit detection from 20 mW. 30 seconds at 100W
Warranty: 3 years warranty no matter what, except:Intentional breakage and tampering of device
USER MANUAL
1:1 feed line Chokes (also known as feed line current chokes, common mode chokes, line isolators, current mode chokes, and 1:1 baluns/ununs) are available in kit form or assembled form in a weatherproof Current Unun and Balun Enclosure which we call a CUBE™. All 1:1 chokes are ferrite based and are designed for 50 ohm coaxial cable input and 50 ohm output. 1:1 Ferrite toroidal or bead chokes have a higher choking impedance than our popular Sleeve Chokes and various models are available for specific frequency ranges and power levels.
1:1 Chokes are useful for choking common mode currents that may flow on the exterior of the coax cable shield while allowing the signals on the interior of the shield and the center conductor to flow unaffected and keeping the common mode current on the antenna. They isolate the coax shield and prevent it from becoming part of the antenna system.
1:1 Chokes are useful between balanced lines for center fed dipoles at their fundamental frequency (468/f (MHz), beam antennas with a 50 ohm balanced driven element, G5RV, loops, yagis, NVIS antennas, mobile installations, portable antennas and anywhere common mode current (or RFI) is a problem. They are also helpful between transmitter and linear amplifier or between linear amp and antenna tuner or as isolation chokes where higher choking impedance is needed (in the range of 2K-7K ohms).
1:1 Chokes are also very useful as feed line current chokes at the “radio end” of the antenna (we call them coax noise filters) where they choke/filter common mode current induced onto the coax shield from radiated waves (from your antenna, and other sources such as DSL routers, computer devices, plasma TVs, etc. originating in your house or your neighbor’s house). For RFI issues see RFI/EMI Solutions for general use or for specific radios and devices.
For best results we recommend a 1:1 choke at the “antenna end” of the coax and a coax noise filter at the “radio end” of the coax. (A side benefit is a reduction in noise level caused by common mode currents). 1:1 chokes are also available as Sleeve Chokes (Slip on or Snap on) for ease of installation and light weight on the antenna.