This kind of cell phone jammer was made of good thermo stability

 The emission power of  cell phone jammer is 1W for every antenna.F2TP cable uses a unique double today's global aluminum foil shielding structure longitudinally, that is UTP cable outside of the vertical two 25μm thick aluminum foil packet, so the cable can be avoided when bending or heat shield appears tiny gap, but also reduce the the transfer impedance and improve the shielding effect, while the ground (including shield grounding and protective earth) is more convenient, and reliable. Because Shuangceng aluminum foil structure greatly simplifies the shielded cable connection, saving installation time, so Shuangceng aluminum foil FTP cable installation with the installation as simple UTP cable. Two layers of aluminum foil from the double-layer aluminum foil (conductive layer) and spreads in the surface of the plastic film (insulating layer) structure, the conductor layer relative. The cable termination, you can very easily out of the cable outer sheath and shield layer removed, exposing the inside layer of shielding, conductive layer outward.  cell phone jammer  is the environment-friendly product and does no harm human bodies.From the electromagnetic compatibility (EMC) of the considerations, the cable shield must be surrounded by large areas of exposed metal surfaces, the so-called 360 ℃ grounding Grounding. In the double foil shield system, just inside the shield layer card (Nexans patented Clip-onTM) card to the cable wire rack to ensure that shielded cables in patch panels and information outlets are to achieve 360 ℃ around the earth (Groun ding), will not produce the so-called "antenna effect."The surface temperature of  cell phone jammer can reach 50℃ at most
Clip-onTM cable wire frame and modular patch panels integrated in order to achieve the continuous shield throughout the link, to the connector with EMC shell, and is equipped with a special cable wire rack. For more than 10MHz electromagnetic wave shielding layer using reflection, absorption and the mechanism of skin to offset the effects of electromagnetic interference and electromagnetic radiation the higher the frequency, the more obvious the effect of the shield. This kind of  cell phone jammer  was made of good thermo stability.For low-frequency, electromagnetic waves less than 5MHz, the use of twisted-pair balanced nature of the offset. This double foil shield cable most prominent feature has two aspects: excellent shielding performance, to maximize the user-friendly installation. 4.2 grounding system using shielded cabling system measures must be a good grounding system. And shall meet the following requirements: (1) to protect the earth ground resistance. Separate grounding should not be greater than set 4Ω; a joint grounding should not be greater than 1Ω; (2) the use of shielded cabling system, all shielding continuity should be maintained; (3) the use of shielded cabling system, the shield wiring equipment FD or BD-side should be grounded, client, as the case ground terminal equipment.