- High-rises Yan-day control of mobile phone signals intelligence (intelligence shield / amplifier) is a system based on the GSM base station simulator technology. When we needed in a particular region in search of a particular state of stand-by mobile users, the users can test whether the presence in the region. Through a certain method of testing and search, mobile users can determine the exact location of the terminal.
According to the system need to be able to designate specific places restrictions on customer-level communication.
Application investigation
 arrest, location
- Number of known suspects to determine the exact location
- Against the known number of waiting
Counter-terrorism, remote-controlled bomb search 
- The designated area for shielding
- Discovered the existence of illegal mobile phone
- To detect the illegal presence of the specific location of mobile phone
 drug
- In the key areas for data collection and data mining, found that crime clues
 customer information for data mining-based data acquisition
- The main junctions, an important place for import and export
- Airport entry
- Border crossing
- Exhibition Hall, customer (customers can reach the show, and to facilitate the follow-up visit)
- Exhibition entrance
 rescue
- Snow Mountain Rescue
- Maritime Rescue
- Positioning the air rescue
VIP security 
- VIP around the mobile phone into a control zone, only the registered number can be used for other mobile phone numbers were shielded.
- Monitoring the school's examination room, according to the requirements of the school, you can phone the invigilator as the main channel of communication, all of the remaining restrictions on mobile phone communication in order to ensure order in the examination room.
- Custom VIP aircraft, with the exception of necessary communications, automatic restrictions on other means of communication.
To provide a virtual regional coverage 
- Network operators to imitate the parameters
- Adjustable power output
- Control of the regional coverage of all mobile users and operators of the action
Access to the region covered by number of users 
- IMSI
- IMEI
GSM signal for testing 
- Test launch of mobile phone users to specify signal strength
- User specified test fired in the direction signal
Characteristics
Small and light 
- Do not rely on vehicle
- Single Operation
 P / A high-value
- Transmitting power / coverage
 simple
 functioning
 adapt to the characteristics of the city in Asia