Shenzhen EXCEED Technology Co. Ltd founded in 2008, focus on the manufacturing and sales of the telecom products and security equipment and personal privacy protection products. Our main products are mobile phone signal amplifier, mobile phone signal shielding device, signal detector. Since company establishment, the products have been sold to many countries and regions in the world. We could closely tailor kinds of RF signal Solutions for our customers, we could supply the OEM service for our customer. Please find the kinds of RF products or service we could supply as below Mobile phone jammers: Portable cell phone jammers, desktop Jamming Solutions, Handheld Jamming Solutions, Bomb Jammers, Vehicular Jamming Systems, Prison Jamming Systems Signal amplifiers with different output power and different frequency: Signal Repeater covers BTS, Fiber Optical Repeater, Frequency Shift Repeater, Frequency Selective Repeater, Wide Band Repeater, Trunk Repeater and indoor signal booster for GSM/CDMA /DCS/PCS/PHS/3G series. Our Goal is to provide the most professional Jamming Solutions that We Save lives and Prevent Leakage of Confidence. Committed to design the higher level Jamming systems as customers required, and continue to be contributed to the global RF Signal Jamming Solutions. If you are interested in our products, welcome to contact us at any time.