The high-level external technic of cell phone jammer

Resistance table, the error is less than or equal to 1%; b) a size of 300mm × 200mm brass plate electrode and a diameter of 30mm, height 50mm cylindrical brass electrodes with a terminal; c) the number of ball diameter of 4mm kg. 6.2.3.2 Test procedures will be flat on the plate electrode on the shoes, then cylindrical electrodes placed on the bottom surface of the shoe and install 4mm diameter of the ball spread around the electrode to cover the entire sole and 20mm deep reach (shown in Figure 8, measured at the heel), with a resistance meter to measure the resistance between two electrodes. Selection of cell phone jammershould pay attention to its shielding radius (i.e. power), performance stability, and lifetime and so on.Shunt connected with the line of shoes, the shoes flat on the plate electrode, the interior of the ball with a diameter of 4mm up to 20mm deep, can be connected in the shunt line and the measured resistance between the electrode plate. 6.2.3.3 Resistance test results shall not exceed 500 shoes?. 19 GB/T6568 -2008 6.2.3.4 Test report The test report shall include the contents of the same 6.2.1.5. Millimeters 1 - test electrode terminal; 2-- ball; 3 - test electrode resistance measurements Figure 8 Schematic 6.2.4 shoes hat hat shielding effect must test. Hat shielding effect in the test set of clothes together in the shielding performance test. The matching with cell phone jammer whose radius is adjustable (i.e. the power is adjustable) should be considered according to the site situation.Hat's protective cover overhang the edge of the tongue and must ensure that exposed parts of the body (such as the face) does not produce discomfort, and should ensure that the maximum operating voltage case, the surface of the body exposed parts of the field strength shall not be greater than 240kV / m. Must ensure that the hat and coat electrical connections between the good. 6.2.5 Mask for AC 750kV voltage level of shielding clothing must be equipped with masks, face shields must be shielded efficiency test, efficiency test method shield with 6.1.1. Mask of shielding efficiency of not less than 20dB. The matching with the directional antenna of cell phone jammerto control the main emission area (direction) of the shielding signal can also be considered.Complete shielding clothing jacket, pants, gloves, socks, hats, masks, shoes) shielding clothing (6.2.6 complete shielding clothing (shirt, pants, gloves, socks, hats, masks, shoes) resistance test is if the shield clothing more than one component, must ensure that all parts of the electrical connections are good, complete shielding garments should be assembled resistance test. 6.2.6.1 The main equipment a) a range of 0.1Ω ~ 50Ω resistor table, the error is less than or equal to 1 %; b) two brass electrodes, each electrode weight 1kg, bottom contact area of 1cm2; c) a common fabric clothing; d) a simulated person. Test 6.2.6.2 Test conditions to be at a temperature of 23 ℃ ± 2 ℃, relative humidity of 45% to 55% of the environment. 20 GB/T6568 -2008 6.2.6.3 Test Procedure a) give the simulation were put on a common fabric clothing, and then measured out and then put a shield clothing, and lying on the test table with a bar; Influence from human factor and normal machine loss should be considered forcell phone jammer.b) two vertical flat brass electrodes were placed on each measured point, the detection of gloves and socks and hats and socks between the resistance measuring point should be diverted away from the edges and seams cable 3cm beyond. 6.2.6.4 The results of any set of clothes between the two furthest endpoints resistance less than 20Ω.