General Testers : ETS Lindgren 5211

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ETS-Lindgren 5211
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The ETS Model 5211 Wireless Interface Test System, (WITS ), is a self-contained portable enclosure that can check cell phone transmit and receive functionality with or without direct cable connection to the RF or data ports. Description: This is accomplished using a patent-pending near field coupler in the enclosure that couples with the phone s own antenna. The coupling coefficient has a flat response over the frequency range of 700 MHz - 2 GHz. With this (CAI), or common air interface, the operator performs the test faster and simulates a real-world environment. In contrast, the direct connection method bypasses the antenna and adds up to several dB of loss to the measurement. The CAI method provides a shorter signal path and readily detects a faulty antenna. (A connector is provided for testing with a direct connection if desired.) To eliminate nulls and hot spots, each enclosure is lined with ETS-Lindgren RF absorber, which improves test repeatability. Compressible RF gasketing is used to seal the lid on closure. Nominal shielding effectiveness > 80 dB, although higher values are possible. Consistent orientation of the phone in the enclosure is important for test repeatability. To help the operator position the phone correctly, a sliding clamp and alignment post are built into the bottom of the enclosure. The base is also marked with an illustration of a typical phone position. The enclosure includes one external Type-N connector, which links the antenna coupler to the test set; one Type-N connector feed through for traditional direct connection testing; and a 9-pin filtered D-sub connector for more advanced test procedures. Key Features * >80 dB Typical RF Isolation * Custom Configurations Available * Flat Coupling Response over 700 MHz - 2 GHz * On-The-Air Test TX, RX Functionality Without Direct Cable connection to Cell Phone Data Port * Phone Placement Fixture Assures Test Repeatability * Works with Mobile/Cellular Radio Test Sets: HP 8924
  • 制造商: ETS Lindgren
  • 模型: 5211