The current network model on the market mainstream alarm used mainly in the following two kinds: GSM and PSTN, of course, there are GSM / PSTN dual-network standard. Alarm Host GSM network standard under, mainly through SIM card into the phone card to realize dialing calls and sending alarm information, this model will be affected by mobile phone signals, especially cell phone signal is weak in some areas, alarm Host is difficult to work under the signal instability. With respect to the GSM network, PSTN mode will be more stable number, in this model is done by connecting the phone to send, alarm host alarm information in this mode can only dial stored phone or cell phone number, but can not send text messages, in the price will be cheaper than the GSM alarm. Of course, someone will certainly ask infrared burglar alarm, then why not choose GSM / PSTNS dual-network alarm host it? Indeed alarm mode dual network both in function or stability are relatively good, but the price of products is necessary to correspondingly higher, generally more expensive than around 100RMB infrared alarm GSM alarm, so, in When selecting burglar alarm infrared alarm site, users can consider the stability, price, functionality, several angles to choose is the best. KH8865GSM multi-functional burglar alarm security industry 10 national brands in Shenzhen City Keihin Electronics Co., Ltd. in Shenzhen and the Mainland has its own R & D and production base. In corporate aim of "integrity, service, quality build excellence, science and technology challenges of the future," the guidance, the company has invested heavily in the introduction of South Korea's Samsung Mounter, reflow, wave soldering and Japan, Europe and the United States advanced production equipment and testing instruments , strict management from the development, production, after-sales service, product quality first-class, service class of. Products through the extensive application of domestic and foreign customers, has won recognition and praise, and gradually developed into a well-known brands. The company actively enhance research and innovation capacity and management level, highly recognized by the society and industry, it has been selected as: Guangdong Credible enterprises, Chinese security product quality trust business, outstanding security companies in Guangdong Province, Shenzhen Security Industry Association units and so on; and successively won: Security Industry 10 national brands, the security industry's top ten innovative brand, safe city construction recommended brands, safe city construction recommended outstanding security products market share in the top ten Chinese police honor enterprises. Wireless infrared alarm, Keihin Electronics (certified), infrared alarm provided by the Shenzhen City Keihin Electronics Co., Shenzhen City Keihin Electronics Co., Ltd. (www.szkh.cn) Guangdong Shenzhen, alarm, alarm host of leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Keihin electronic leadership with the staff warmly welcome all inquiries negotiations to create the Keihin electronic better future.