cell phone jammer can work continuously for about 1 hour

The blocking radius of the GPS cell phone jammer is about 10-20m.
Degree of specialization of the current channel business is not enough to fully grasp the needs of consumers and its changes. Second, R & D, production and standardization. Only when the R & D and production are standardized, these resources can be more easily obtained from the market as a "lay" the channel will not be controlled by others. The operators involved in the mobile terminal. China Unicom in order to ensure the advance of the CDMA, had to personally save the market, the underwriting to the procurement of large quantities of CDMA mobile phones mobile phone manufacturers to supply the market. China Mobile in order to promote the GPRS service to Eastcom, Motorola and other one-time purchasing more than one million GPRS mobile phone. The GPS signal can be validly jammed by this GPS cell phone jammer .
Sales and marketing strategy: product-focused to promote their products, its sales pressure. Relatively ad spending is also relatively large. The final choice of a variety of means of publicity at the same time. TV: NEC purchased a CCTV-5 & 8 channel part of the period of advertising for the full year, so the only NEC branding 15 "advertising insert the words" standard board advertising to increase exposure. Outdoor Lightbox: focus Guangzhou, Shanghai, Shenzhen, Hangzhou. Guangzhou as being 480 square meters of outdoor light boxes of the pedestrian street of Zhongshan road, Shanghai, Shenzhen, Hangzhou, are the bus shelters in light boxes, the number of 30-60 blocks / urban; Network: Select young people like TOM, Netease and two IT Professional Web site. cell phone jammer can work continuously for about 1 hour. 
To create efficient marketing channels, such as the "one stop" service, "flat" marketing model. The construction of marketing channels, you can also to some extent, make up the difference in the quality of foreign brands, conducive to the enhancement of the competitiveness of the brand. Strengthen the construction of service system for self-marketing for the mobile phone manufacturers should establish a sound service system based on after-sales service, and value-added services to complement and with professionals in order to consolidate the customer base. Message: May 11, Analysys International said recently that the first quarter of this year, sold a total of 36.89 million GSM and CDMA mobile phones in the Chinese market. According to digitimes.