In 1997 Ramsey Electronics® took technicians out of large expensive shielded screen rooms and put RF shielding into the palms of their hands. Our patented portable benchtop RF Shielded Test Enclosure was a revolution in RF testing, providing unprecedented visual and hands-on access to equipment in a tightly controlled RF-free test environment. With tens of thousands of Ramsey Electronics® RF Shielded Test Enclosures now in service worldwide, our STE designs and technologies have become the industry standard for efficient and cost effective RF isolated device testing.

Today, with over 30 standard models to choose from (and thousands of available custom configurations) that legacy continues but our commitment to excellence in RF shielding doesn't stop with our existing enclosures. Rapid changes in wireless technologies, frequency bands, and speed protocols make old standards obsolete every day, but at Ramsey Electronics® we want our customers to be prepared for the future. Models and I/O devices designed around tomorrow's standards are available now, with new innovations constantly under development.

From wireless chipset R&D, to global digital Forensics, to RF finished goods performance testing, we have RF Shielded Test Enclosures and I/O devices to meet your needs without breaking the bank. And if your application requires a custom size or additional functionality, we have you covered there also. From one-off engineering specials to large custom production runs, Ramsey Electronics® has designed and delivered hundreds of custom units at record speeds - and well within customer budgets.

In addition to our RF Test Enclosures, we also offer the latest I/O devices to keep your RF test environment well isolated. Whether your application is a Ramsey RF Test Enclosure, third party test unit, or RF screen room, our high quality I/O devices and interfaces provide the isolation you need for the RF technologies of the present - while making sure you are ready for the future.

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New High Performance I/O Interfaces for 2016


The impossible RF Test Enclosure I/O is now made possible by Ramsey Electronics®! Our STEHR140 interface provides a very compact HDMI I/O option that passes 4K video up to 2160p while maintain an RF isolation greater than 85dB from the low 600MHz bands all the way up to 8GHz! Like our USB and Ethernet interfaces, the 4K video interface maintains 100% shielding with its easy to install single-hole mount.



Yes, we said 10 Gigabit! Our brand new STE10GBE Ethernet interface provides 10GBASE-T copper Ethernet using standard CAT6A or CAT7 cables. The interface is also backwards compatible with 5GBASE-T, 2.5GBASE-T, 1000BASE-T, 100BASE-T, and 10BASE-T, and provides an RF isolation >90dB at all speeds. And just like our Gigabit interface it auto-detects and passes 802.3af/at PoE at all speeds! Our single-hole mount maintains 100% shielding and makes mounting simple.



Our extremely popular STEGBE4590 Gigabit interface has been ruggedized for 2016 by milling solid aluminum port protectors around both the internal and external Ethernet connector to handle production line cable stresses. Provides >90dB RF isolation from 700Mhz to 8GHz. Features our popular dual mode 802.3af/at PoE auto-detect and pass-through. Single-hole mounting maintains 100% shielding and makes mounting simple in any application.



Like our Gigabit interface, our popular STEUSB2071 USB2.0 high speed interface has also been ruggedized for extreme production line cable stresses on both sides of the unit. The interface provides >80dB RF isolation from 700MHz to 8GHz and also provides auto USB power detect. Like our other interfaces the STEUSB2071 also features a single-hole mount that maintains 100% shielding.



The STEIEC10250 Universal IEC Power Module is the latest interface designed to be your fully compliant regulatory certified RF Test Enclosure power interface while providing >90dB RF isolation. Features IEC standardized input and output connections making it compatible with virtually any country power standard. Regulatory certifications include EU CE, FCC, and Industry Canada.



The STEDC2010 is the low voltage brother to our AC Power Interface. Provides a staggering 20 lines of DC or signals up to 8MHz while providing >90dB of RF isolation! Perfect for multiple DC power feeds, sense and feedback circuits, audio, video, switching, alarm, and RS232/RS422 speed data. All connections made by simple plug-in Euroblock connectors and plugs.

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