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OTA
signals transmitted without cables. Also known as: Over The Air
See Also: Wireless, Over the Air, Antenna Measurement
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RF & Microwave Power Meters
Our RF & microwave power sensors ensure precise and reliable measurements. They provide the highest measurement accuracy and speed, simple operation, technological leadership in thermal, diode and OTA core measurement elements as well as traceability to national standards.
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Car-to-X Signal Strength Emulator
Qosmotec Software Solutions GmbH
QPER-C2X is a special adaptation of the signal strength emulator QPER, designed for mobile and Vehicular Ad-hoc Networks (MANet and VANet). Every radio devices in such an infrastructure-less network acts as a sender, receiver, and forwarder (router). Therefore, the ports of the QPER-C2X hardware are fully connected with each other by dynamically controllable attenuators. The system is fully designed for frequencies up to 6 GHz, since wireless communication for Intelligent Transport Systems (ITS) is based on the WLAN standard IEE 802.11p from 5.850 MHz to 5.925 MHz. The connected ITS stations can be either on-board units, as they are built into cars, or road side units that are used by road infrastructure (traffic lights, road work area delimiters, velocity signs). For tests in the lab, radio modules of such ITS stations are each kept in a shielding box that prevents any unwanted radiation over the air.
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Large-size Hybrid Reverberation / Anechoic Chamber
F-Series
The F large-size hybrid Reverberation/Anechoic Chamber represents the most versatile OTA test system in the market today. With the same unique test features of their E Series RC counterparts, the F-Series can also test large form-factor devices under test (DUTs) like laptops, large TV sets, solar and trash compactors, drones, fridges or washing and vending machines, among others. With up to 16x16, 8DLCC and DUTs up to 2m and 500 kg including full-body phantoms in a turntable, the F Series also expands the frequency range down to cover 200 MHz up to 40 GHz frequency ranges and the test modes to include EMC, BS, small cell, eNodeB and Virtual Drive Testing over the air (VDT-OTA). In an again unheard-of feature, the F-Series is also reverse-convertible into an Anechoic chamber, allowing Far Field (FF) and Spherical Near Field (SNF) radiation patterns, efficiency and gain measurements and pre-5G testing of antennas and devices. Conversion from RC to AC or vice versa can be performed within half a day.
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Antenna Test Systems and OTA Chambers
With our well-established experience in innovative solutions based on top-quality engineering, Rohde & Schwarz provides you with leading antenna test systems and OTA chambers.
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Super MUTT Deluxe Standard Edition
#9008-SE
Innovative Products of America
The Super MUTT places a load on the trailer's electrical circuits to identify wiring problems while providing remote control operation over both air brakes and lights. Built to facilitate a one-man testing operation, the Super MUTT reduces guesswork and inspection time to prevent failures that lead to expensive road calls and citations. The remote control allows for repetitive air brake actuation at each axle to reveal developing problems often missed by normal testing procedures.
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Antenna Couplers
Concentric Technology Solutions, Inc.
RF Antenna Couplers help create the ideal environment for shield boxes by providing a consist, stable and reliable environment for repetitive over the air (OTA) tests.
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Optimize Throughput And Cost For MmWave 5G Device Functional Test
Test engineers always have faced tough new test-coverage challenges. Those introduced by 5G measurements at mmWave are no exception, as they require over-the-air (OTA) radiated test solutions. But never have these pressures seen today’s intense time-to-market, manufacturing volume, and operational expectations! A solution that meets these demands must:
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Fully-Automated CTIA-Compliant OTA Test System
TS8991
The R&S®TS8991 OTA performance test system measures the spatial radiation and sensitivity characteristic as specified by CTIA and 3GPP.The system software provides ready-to-use test templates for OTA measurements and supports all wireless standards.The integrated report function collects all measured test data such as graphics or numeric results, test environments, EUT information and hardware setup in one document.
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Millimeter Wave Antenna Testing
If you are involved in antenna or system level design using mmWave or THz frequencies, then you understand the importance of dependable testing equipment. It may be that you are designing passive phase array or that you are designing a mmWave radar sensor system, but when it comes to validation of your design, simulation can only bring you so far. Phased array antennas have to be measured over the air (OTA) to ensure the radiation pattern of your design efficiently conducts energy in the right direction which is where the MilliBox comes in.
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Advanced Reconfigurable Modular OTA RF Test Enclosures, ≥100 DB Isolation, 300 MHz - 90 GHz
dbSAFE ARMOR
The dbSAFE ARMOR series of shielded boxes are cost-effective solutions for OTA testing in the mmWave spectrum. Providing a shielded, fully anechoic test environment, these RF test enclosures ensure stable and repeatable measurements over a wide frequency range (from 300 MHz to 90 GHz).
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Frontends & Converter
FExx Series
R&S®FExx external frontends extend the frequency ranges of Rohde & Schwarz signal and spectrum analyzers and signal generators up to 170 GHz. The R&S®FExx enables the up and down-conversion of the signal directly at the DUT. In an OTA environment it lowers cable losses, increases sensitivity and delivers more power at the antenna.
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Over-the-Air Radio Waveform Analyzers
Monitors and measures all radios on a network over-the-air (OTA) in real-time without user interventionProactively helps you manage all of your radios in your networkMultiple receivers may be networked to provide system wide coverage
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External Frontend
FE44S
The R&S®FE44S external frontend can extend the frequency range up to 44 GHz for Rohde&Schwarz signal and spectrum analyzers as well as signal generators. The R&S®FE44S enables signal up and downconversion directly at the device under test (DUT), lowering cable losses, increasing sensitivity and delivering more power at the antenna in an OTA environment. The R&S®FE44S uses a single RF connector to further reduce the number of antennas in over the air testing.
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CATR Benchtop Antenna Test System
ATS800B
Very compact far-field over-the-air (OTA) test system based on compact antenna test range (CATR) technologyUnrivaled quiet zone size within 0.8 m2 footprintState-of-the-art reflector ensuring a high quiet zone accuracyUnique benchtop CATR system supporting over 50 GHzIndirect far-field method (approved by 3GPP for 5G OTA testing)
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5G | OTA | Bluetooth | PTCRB Testing Services
Eurofins E&E Wireless Device Over-the-Air (OTA), 5G Performance, Bluetooth, PTCRB, and Global Certification Forum Testing.
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5G Radio Test Set
Operating from 20 to 40 GHz, two radios may be connected to the system allowing full duplex operation. Each radio may operates over identical Air Interface with uni or bi-directional multipath. The delays between radios may be varied from 0 to 1 mile in 5 foot steps with propagation loss control. The 2040+ creates a variable test range right in your lab. It can be used as a design aid and as a test tool for new modulation and encryption schemes prior to expensive and time consuming field testing.
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Rack-Mountable CATR Chamber for 5G NR mmWave Signals
ATS800R
The R&S®ATS800R CATR based 5G NR mmWave test chamber provides a very compact over the air (OTA) testing environment for testing 5G FR2 antennas, modules and devices in R&D. The R&S®ATS800R has a very small footprint and wide frequency range, and offers maximum functionality and test coverage in a small space. The flexible setup options and range of extensions make the R&S®ATS800R a solid and future-proof environment for your FR2 testing needs.
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High Dynamic Receivers
ZRX
converter series with high dynamic range receivers. Typical applications are antenna measurements (OTA) and signal analysis. The ZRX Receivers are used wherever full S-parameters are not required.
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Compact Anechoic Chambers
If you have mmmwave or THz antenna phased-array that require Over the Air measurements, MilliBox has the equipment and tools that you need. With the help of MilliBox compact anechoic chamber system, you can plot radiation pattern , collect data from those plots, and assess your antenna performance easily and precisely.
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Wireless Devices
Schweitzer Engineering Laboratories, Inc.
Wireless devices use radio signals to communicate and pass data over the air, eliminating the need for traditional cabling.
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Broadband Amplifiers
Blonder Tongue Laboratories, Inc.
Blonder Tongue offers a variety of RF amplifiers for broadband CATV or OTA (over-the-air) applications. Be it a 1GHz power doubling two-way indoor distribution amplifier or a mast-mounted preamplifier, or anything in between, we have you covered.
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Wireless Transmission
Wireless transmission is a form of unguided media. Wireless communication involves no physical link established between two or more devices, communicating wirelessly. Wireless signals are spread over in the air and are received and interpreted by appropriate antennas.
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SmartCab OTA
SmartCab Over-the-Air (OTA) enables “Over the Air” delivery of software and configuration file updates for the locomotive control system and onboard devices, improving delivery productivity and efficiency.
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UXA In-band 5G NR/MIMO OTA Testing up to 50 GHz
N9040BM
The N9040BM UXA bundle solution for in-band 5G NR/MIMO OTA testing allows you to make worry-free measurements up to 50 GHz with included 5G measurement apps. Achieve a full 5G NR test setup complete with software, hardware options, and accessories for increased accuracy and precision.
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Sensor Device for Developers
Waspmote
Libelium Comunicaciones Distribuidas S.L
Ultra low power (7µA)120+ sensors integrated on 10 Sensor Boards15 radio technologies:Long range: 4G / 3G / GPRS / LoRaWAN / LoRa / Sigfox / 868 MHz / 900 MHzMedium range: ZigBee / 802.15.4 / DigiMesh / WiFiShort range: RFID/NFC / Bluetooth 2.1 / BLEOver the Air Programming (OTA)Encryption libraries (AES, RSA, MD5, SHA, Hash)Certified encapsulated line (Plug & Sense!)Industrial Protocolos: RS-232, RS-485, Modbus, CAN Bus, 4-20mA
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Wireless HDMI Video Transport
1B-HDMI-W-TX/RX
QuestTel''s long range wireless HDMI Transmitter/Receiver kit fully compliant with HDCP, extends high definition audio and video to any HDTV display up to 650 feet (up to 200 meters). It supports HD resolutions up to 1080p. Wirelessly transmit the HDMI signal to any HDTV over the AIR, it also supports IR remote control function to control source device content from long distance.
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Propsim Channel Emulation Solutions
Propsim Channel Emulation Solutions are versatile and easy-to-use in a wide range of applications including MIMO, Beamforming, WLAN, Aerospace, MANET and MIMO OTA testing.
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Over The Air (OTA) Tests
OTA testing is a way to ensure that the wireless devices designed or selected are performing as expected. The OTA test measures the entire signal path and antenna performance. The antenna performance is influenced by different product requirements, applications, size of the housing, materials, bandwidths, frequencies, etc.
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5G Active Antenna Innovator’s Kit
AWMF-0129
The AWMF-0129 is an active array for 5G wireless applications developed using planar antenna technology resulting in a very low profile, lightweight unit. The surface mount assembled antenna board is based on Anokiwave’s AWMF-0108 Silicon Quad Core IC and demonstrates the performance achievable using low power silicon integration and efficient antenna layout and design. Using the AWMF-0108, the antenna provides +50dBmi output power while consuming just 12W DC power in the RF circuits and has achieved Gb/s data rates in OTA trials. The electronic 2D beam steering is achieved using analog RF beam forming, with independent phase and gain control in both Tx and Rx operating modes. The AWMF-0129 antenna leads the way in showing how 5G coverage can be rolled out by network operators using the mmW bands, with low power footprint and high energy efficiency, while meeting key operating specifications for data rate, latency, coverage, and reliability.
