* * company products to "police cluster system" as the main core, has successfully developed ten remnant and cluster communication system supporting products, supplemented by, and will be able to meet the full range of * * industries to the diverse needs of wireless communication. The company's research and development direction in order to meet user demand as the main research and development have extensive application prospect in the market products. * * years in accordance with the entrustment of the * * department for * * system research and development "* * mobile query system".