出售二手IFR4921屏蔽箱IFR4921

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IFR 4921 RF Shields

The unit under test should be isolated from its environment to prevent radiation from different sources affecting each other. Interference would result in unreliable or even wrong test results, incorrectly adjusted transmitters or failed tests even when the equipment actually performs within specification. Aeroflex’s RF shields meet the needs of production and repair centers in terms of isolation of the unit from other RF equipment such as radio base stations.4921 RF ShieldNew shield box meets high volume testing of service centers and manufacturers Aeroflex's 4921 RF Shield is an established RF shielding solution for testing 4G mobile phones, as well as data cards and WLAN equipment in large service centers and production lines. The 4921 is the optimum solution for service centers and manufacturers with high volume phone testing because it can endure the high open/close rates involved. The RF Shield is designed to eliminate interference from any adjacent mobile phones, the local base station, and to isolate the environment from the RF emitted from the phone (or other device under test).4931 and 4932 RF ShieldsNew generation of medium sized shield boxesThe 4931 RF Shield takes the concept of high shielding and excellent absorption of the predecessor and adds further improvements.Highlights of the predecessor inheritedShielding is the most important requirement for an enclosure like the 4931 RF Shield. Therefore, the shielding is kept at the same level as the very successful predecessor the 4921 RF Shield and we are verifying every box in our production to guarantee that data sheet values are exceeded.In addition Aeroflex uses only high-class absorber material in its boxes to avoid reflections. This way Aeroflex can guarantee that tests in different boxes are comparable and the test results are reliable and repeatable.Since the physical dimensions remain unchanged, the coupling loss values of the Aeroflex database can be also used for the new 4931 RF Shield.The 4921 RF Shield features:Exceeds 80 dB attenuation requirement for RF shielding Reliable, robust design, yet small size and weight make it a portable solution Ideal for high-volume testing; guaranteed number of open/close cycles Suitable for mobile phones of all sizes; approved by leading phone manufacturers Modular conception - A whole concept of shielding and coupling with the Aeroflex 4916 Antenna Coupler Bluetooth option for Go/NoGo testing available The 4931 and 4932 RF Shield features:High shielding factor for safe testing in all applications High-grade absorption for repeatable test results Works with the 4914, the 4916 and the 4918 Antenna Couplers Microprocessor-controlled solenoid latching Gas springs are outside for more space No finger stocks to ease maintenance

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