Cell phone jammer can emits the low-power radio signal. 6

Party B before entering the construction site must comply with government, industry and the Party of the documentation requirements, pre-construction requirements must be doing a good job, "leveling" and construction design, construction design projects should be combined with the actual situation in the development of civilized construction site specific special measures, and implement the relevant requirements as follows: 1, adhere to the five criteria: First, the closed construction. Especially in the downtown of planning permission within the construction area was closed to isolate the construction, not the road, traffic and the area of social operation and construction of the regional mixed set together; second is to meet the needs of the temporary traffic organization. It is the main function of cell phone blocker. We should have a scientific and rational plan temporary traffic ease, so that the least impact on traffic construction; third is the "clean transportation." Construction materials within the region and closed the transport of construction waste and transportation management, vehicle wash before driving out of cleaning the site to prevent soil pollution of the environment; four environmental impact is minimized. Construction will cause noise, dust, nighttime illumination to reduce the impact on the surrounding environment to a minimum; five members of the public life and to reduce the impact of travel. Construction unit should difficulties for themselves, leaving the people to facilitate, for the tangible things. The transmitting power of cell phone jammer is 10dBm.2, around the stalls, a solid wall to a solid, clean, beautiful, 50cm brick around the bottom end of the base file, plus 2 meters of the upper sheet envelope, a height of not less than 2.5m, safety posters hanging all kinds of publicity, on-site board around the file must use double-sided color plate or sandwich plate with the appropriate hardness, color-coated steel sheets, etc. is strictly prohibited instead of using single or lower height. 3, B-site work area must be hard-floor construction, and keep the roads open, flat ground, no water; 55 Shanghai Metro Line 13 Phase I, World Expo site dedicated traffic tie-line equipment supply and engineering PSD Services Tender No.: 10248306 site must be set to three sedimentation tanks, must be to prevent mud, dirt clogging drains and wastewater discharge measures measures to ensure smooth drainage and flood prevention measures to be put in place; required to put up warning signs and a variety of security banners, set up bulletin boards, and the blackboard and read Baolan security zone at the scene with smoke point; living area with green layout.It is the quad-band signal cell phone jammer for the worldwide use.  4, the construction of the venue construction materials, components and materials at the construction site with a layout plan requirements neatly stacked, and the name of the display of materials, varieties, specifications, parts and other identification; focus on piling construction waste should be classified, according to the higher authorities and the Party of the documentation requirements for shipment, so that workers complete site clearance, explosive and other dangerous goods must be classified storage. 5, the construction work area and office, separate living area should be isolated, non-residential buildings and office mix, office room should be eye-catching signs, set "seven card two map" and to regulate the display of all kinds of neat charts; quarters placed daily neat, dormitories surrounding environment should be health, clean, safe, living area into a covered garbage container should be, and promptly clean up.  cell phone jammer can emits the low-power radio signal. 6, canteen kitchen should be the screen door, window screens.