According to the actual needs of the parking lot, for vip vehicle access control, the use of long-range identification card swipe reader. Remote reader into effect active identification card and passive cards, active cards and identification distance according to the type of card is better than passive card from the recognition of long-range reader is generally 3 to 8 meters . Using remote reader reader, let the vehicle do not stop fast vip access parking. GPRS (General Packet Radio Service) wireless communication technology is General Packet Radio Service GPRS technology (General Packet Radio Service) short, it is a GSM mobile phone users a mobile data service available. It is often described as "2.5G", that is to say the technology is located between the second generation (2G) and third generation (3G) mobile communications technology. It is by using TDMA channels in the GSM network is not used, providing the data transfer speed. GPRS transmission rate can be increased to 56 or even 114Kbps. Moreover, because it no longer needs the existing wireless applications require mediation converter, so the connection will be more convenient and easier to transport. Popular explanation: Each handheld terminal, built a phone card, the mobile wireless network and Internet seamlessly, so the communication data transmission over a wireless network via the mobile Internet database, each client access the Internet, you can access to the relevant data. GPRS is fast, weather and global performance. Recruitment agents, dealers, welcome to inquire ~ ~ Zhao R: 18675535395 QQ:. 1376676599.