- Examination hall in Hubei
province used 800 sets of DX-102
type. - Examination hall in Shanxi
province used 720 DX-102 type. - Each examination hall in Jining
city Shandong province - Jails in Nanchang city Jiangxi
province - Each examination hall of Jilin
province - detention houses supervision
houses and prisons in cities and
counties of Guangdong Public
Security Bureau - Detention houses of Shenzhen
Public Security Bureau
(2)、Common style cellular phone signal shielding device：Adopting advanced foreign technology, HL-102 mobile phone signal isolator (also mobile phone interference unit/ interceptor/ suppressor/cutter/breaker/meeting information crypto) is developed by Hanllow by aiming at the phenomenon that in the course of the domestic college entrance examination, college entrance examination for adults, self-taught examination and examinations of various colleges and universities, some law breakers cheat with mobile phones, combining with the phenomenon that various middle and advanced high school students send messages with mobile phones in class, and the disturbances and noises in serious occasions as middle and small scale meeting room of administrative organs and enterprises, music hall, theatres etc. Hanllow has successfully and finely developed this hi-tech. product according to the actual domestic situation for mobile communication. It can isolate GSM/CDMA/DCS/PHS mobile phone signal within a range of 1-30m (50-350 sqm.) radius, making mobile phones can not be dialed out or receive call or message, while not interfere with the work of other electronic teaching equipment, and the mobile phone can restore to be normal when leaving the isolating range. The product returns schools with purity, meetings with quietness. 
※Product Features※
- Isolate four frequency bands of GSM/CDMA/DCS/PHS.
- Adopting aluminum alloy wiredrawing casing, making heat radiation more complete.
- TX power is 4-8W, each antenna 1-2W.
- Effective isolating radius distance is 1-30 m adjustable (adjusted according customer requirements)
- Environment friendly, free of harm to human body.
※Occasion Applicable※
- School, examination site, band, library, museum, commanding center, bidding assembly hall etc.
- Party and governmental organs, large and middle scale meeting hall of various enterprises, music hall, theatres etc.
- Detention house, labor reform criminal units, large, middle and small scale prisons, troops, courts, and interrogation room etc.
