Concentric Technology Solutions is your one stop source for RF Shield Boxes, RF Enclosures, Bluetooth Testers, WiMax Testers, RFID Tester and RF Power Amplifiers. CTS is your answer to your testing needs for off-the-shelf RF Shield Box, RF Enclosure, Bluetooth Tester, RFID Tester or RF Power Amplifiers when you need maximum RF shielding and testing features with a solid RF Shield Box or RF Enclosure to produce repeatable results.