This device uses aluminum alloy material, the signal penetration strength, abrasion resistance and strong, not distortion, along with the beauty of the sound shape of the magnetic system, RF radio frequency system, cost-effective, high-end shopping solution ideal for human security . Practical applications: medium-sized shoes stores, supermarkets, footwear stores, sporting goods stores. Specify: 
 ◆ Maximum channel width: 230 cm single hard tag. 
 ◆ High sensitivity: Special weak alarm signal recognition technology. 
 ◆ stability: the world's most advanced DSP (digital signal processing) technology and phase-locked ring synchronous recursive filtering technology, perfect to ensure system stability and reliability. 
 ◆ correct report: automatic adaptive, self-detection technology, automatic gain control technology to effectively identify, filter and interference suppression the external environment, to achieve high alarm, and correct report of the desired effect. 
 ◆ sound and light alarm; 
 ◆ elegant and stylish design: light and strong, abrasion resistance and strong, not distortion. 
 ◆ international standards: in line with the Federal Communications Commission (FCC) issued by the radio frequency, signal strength, electromagnetic interference (EMI), radio frequency interference (RFI) requirements. 
 North Technology Co., Ltd. Nanjing Double 
 Address: 81, 14 Longpan Road Building 
 Tel :025-86896103 8,512,710,613,327,710,987 
 Fax :025 -86896103-803 
 Code: 210016 
 E-mail: ztccl@163.com 
 QQ: 925275011 11181169 
 MSN: chunlei_222@hotmail.com 
 Website: http://www.jseas.cn www.easjs.com