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OTA
signals transmitted without cables. AKA: Over The Air
See Also: Wireless, Over the Air, Antenna Measurement
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Thermal Shock Chambers
We provide a large selection of thermal shock chambers to accommodate various types of product testing. Thermal Shock Chambers perform tailored environmental stress screening of component and board electronic assemblies. Our unique chamber design transfers product between two extreme temperature-controlled chambers, passing equal volumes of high velocity conditioned air over the product and resulting in rapid product temperature changes. The induced thermal stresses can reveal hidden manufacturing defects in electronic sub-assemblies and other components by the expansion and contraction of critical parts.
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Airborne Tactical Advantage Company
ATAC
Our sister company, ATAC operates a live-air training business focused on real-world combat situations and is the world’s largest outsourced civilian, tactical airborne training organization. ATAC has trained Navy, Air Force, Marine and Army air-crews, ship-crews and combat controllers in the air-to-ship, air-to-air and air-to-ground arenas. Over the last 20 years, ATAC has accumulated over 60,000 training flight hours and has pioneered much of what is now standard in the growing tactical airborne training services industry.
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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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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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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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Medium-size Reverberation Chamber
E-Series
The E medium-size multicavity Reverberation Chamber Series represents that state-of-the-art in reverberation chamber technology. The E-Series can make single measurements, batch tests, protocols or campaign tests for different frequency bands, different technologies and different channel models, running overnight without human intervention. Embedded frequency-, mode-, source- and platform-stirring in a double-shielded set of cavities allow Passive MIMO (Efficiency, Correlation, Diversity Gain, MIMO Capacity and others), Active MIMO OTA (TRP, TIS, TPUT, MTS, CQI, M2TxDT, RSRP, MCL and others) and Time-Domain MIMO (DL/UL TCP/UDP TPUT, RMS DS, STD, PL, CBW, Mute%, eNodeB, VDT-OTA) measurements up to 8x8 and 8DLCC to be performed for antennas and devices up to 50cm and 50kg ranging from 2G to 4G, covering all available cellular and wireless technologies to date, including wearables devices, sound acoustic mute, WLAN and W-IoT testing. There is no RC in the market more advanced than the E-Series.
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Condensate Pumps
Sauermann has been manufacturing condensate removal pumps for over 40 years. Our pumps are designed to detect and remove condensates from heating, ventilation, air conditioning and refrigeration (HVACR) systems.
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Small-size Reverberation Chamber
I-Series
The I small-size Reverberation Chamber Series is an amber gem set of OTA test chambers. With smart-stirring, the I-Series chambers have the smallest footprint in the market and are intended for IoT (LTE-M, NB-IoT and EC-GSM-IoT), MTC (LoRa, Sigfox), short-range radio technologies (BT 1.0/2.0, BLE, ZigBee, Z-Wave) and WLAN 802.11abgnac (2.4 and 5 GHz bands) for small devices up to 15cm and 5kg. The I-Series chambers provide for fast and accurate TRP, TIS, downlink and uplink Maximum Coupling Loss (MCL) and Downlink and Uplink TCP/UDP MIMO TPUT tests for UEs, IoT modules, wearable devices, wireless stations (STAs) and Access Points (APs), also with user-selectable technology, band, channel (including DFS ones), bandwidth, antennas, rates (MCS) and other parameters in an individual manner for each test on a batch, which can then be run overnight in an unsupervised manner, something that only the Test Systems from EMITE can do.
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Digital Anemometers
This multifunction anemometer provides instant data such as Air Speed and Temperature in Dual Level LCD display with Backlight. This tool has wide measuring range of wind speed from 0 ~ 45m/s (0 ~ 8800ft/min) and temperature from 0 ~ 45°C (32 ~ 113°F). This weather device is an ideal tool for windsurfing, sailing and kite flying. You can also use it for industrial and home purposes such as measuring speed and temperature of CPU computer fans, air-conditioners, airflow over the roof or walls.
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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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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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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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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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Environmental Chamber
REXMED REC-200
MOD. REC-200, AC 230/380/415V, 1/3 phase, Environmental chamber, HS CODE: 841989, UNCCS CODE: 484384, UMDNS CODE: 16327, Main construction: SS304, Interior: SS304, Exterior: SS304 powder coated, Insulation: Rigid polyurethane foam and glass wool, Controller: Fix point PID controller, temperature ˚C/PV and ˚C/SV, humidity %/PV and %/SV display and setting, Temperature range: -20˚C~100˚C, Humidity range: 20%RH~98%RH, Constancy: ±0.3˚C ±2.5%RH, Uniformity: ±1˚C ±3%RH, Temperature and humidity sensor: PT 100Ω, Temperature and humidity audio and visual warning and OFFS correction setting, Temperature heater: 1.5KW X 2pcs, Humidity heater: 2.5KW X 1pc, Heat up transition time: -20˚C~100˚C within 35 min, Refrigeration system: Air cooled, single stage, Cooling compressor: Bristol hermetic compressor, Cooling capacity: 1,892 Watts, 6,455 BTU/hr, 1,630 Kcal/hr, Cool down transition time: 20˚C~-20˚C within 45 min, Safety devices: No fuse breaker, refrigerator over load relay, refrigeration high pressure switch, over temperature protector, protection relay, protection fuse, water level control and overheat protector, Chamber: L50 X W60 X H75cm, Capacity: 225L, chamber with key lock, with lamp (DC 12V 50W) X 1pcs and double glass viewing window, testing cable port with cover: Ø25mm, 4 castors, W/S: shelf X 2pcs, standard testing wet cloth X 5pcs, PCV water container X 1pc
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*High Current Switches
B-1002
Ross High Current Switches are available up to 36,000 amps continuous and over 1,700,000 amps 20µsec RC pulse, with voltage ratings of 6 volts to 400kV peak test. Standard Ross high current switches are built with 80 to 120psi air cylinder actuators. Air cylinder or motor operated for high contact force. Arcing contacts optional for closing current. G-10 epoxy glass laminate is standard insulation on most models. G-7 silicone glass is used on models available for RF applications above 100kHz. Most Ross high current switches are available with additional lengths of insulation, where the high voltage contacts need to be spaced at a greater distance from the actuator and control circuit. Voltage withstand value is at least doubled and the interrupt capability is much greater when high current switches are immersed in insulating oil, fluid or SF6 gas. For gas atmosphere, no modifications are necessary; however, oil or fluid immersion requires modification at a slight extra cost.
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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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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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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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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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High Current Switches
B-1002
Ross High Current Switches are available up to 36,000 amps continuous and over 1,700,000 amps 20µsec RC pulse, with voltage ratings of 6 volts to 400kV peak test. Standard Ross high current switches are built with 80 to 120psi air cylinder actuators. Air cylinder or motor operated for high contact force. Arcing contacts optional for closing current. G-10 epoxy glass laminate is standard insulation on most models. G-7 silicone glass is used on models available for RF applications above 100kHz. Most Ross high current switches are available with additional lengths of insulation, where the high voltage contacts need to be spaced at a greater distance from the actuator and control circuit. Voltage withstand value is at least doubled and the interrupt capability is much greater when high current switches are immersed in insulating oil, fluid or SF6 gas. For gas atmosphere, no modifications are necessary; however, oil or fluid immersion requires modification at a slight extra cost.
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Automotive Tester
An automotive tester can be used to inspect one or more aspects of an automobile. For example, a borescope automotive tester is an automotive inspection camera used by auto body mechanics to see inside car, truck and other vehicle engines before removing any engine parts. Other kinds of automotive tester devices are used to adjust belt tension, test the electronic ignition starter, search for air conditioning leaks, measure the force required to press a brake pedal, determine the antifreeze concentration, or check the paint thickness over collision repairs.PCE Instruments (PCE) offers a wide variety of automotive tester products. These diagnostic support tools help professional automobile mechanics identify a number of vehicle repair needs. PCE's automotive tester products can aid in the diagnosis of many different mechanical and electrical system issues, including but not limited to locating the cause of an engine misfire, testing fuel injector resistance, pinpointing an engine coolant leak, or detecting car cylinder head problems. It's no wonder so many auto repair technicians choose to stock theirs shops and garages with PCE automotive tester products.
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SparkFun MicroMod Environmental Function Board
The SparkFun MicroMod Environmental Function Board adds additional sensing options to the MicroMod Processor Boards. This Function Board includes three sensors to monitor air quality (SGP40), humidity & temperature (SHTC3), and CO2 concentrations (STC31) in your indoor environment. To make it even easier to use, all communication is over the MicroMod's I2C bus!
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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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UAV / Robotics
The telemetry antennas help ground engineers and control room personnel acquire airborne and ground telemetry data. With over 55 years of antenna design and manufacturing experience, the suite of telemetry antennas developed by ARA can operate across a wide range of frequencies and environmental conditions. The wide range of bandwidth, sizes, and mounting options make these antennas suitable for air platforms and ground stations. These antenna designs function efficiently to monitor system telemetry over long distances for drones and Unmanned Aerial Vehicle (UAV) systems.
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Automatic Engine Balancing Technology
AutoBalance™ System
Continuously adjusts fuel flow to each power cylinder to maintain balanced operationMinimize emissions and fuel consumption over a wide range of operating loadsReduce mechanical wear and maintenance costsReduce personnel costs and risk by eliminating manual engine balancingSupports engines with up to 20 power cylindersOn-Guard Diagnostic software for monitoring, analysis, reporting and trendingSupports automated air manifold pressure control for minimum emissions at varying loads
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Strength Testing
Sataton Instruments Technology CO., Ltd
Air permeability tester is professional designed to determine the permeability of materials to air. By testing the rate of flow of air passing perpendicularly through a given area of tested sample under a given pressure over a given time period, the tester can provide results of air permeability performance by calculation the indices. The air permeability testing instrument is applicable to many type of materials, including industrial fabrics, nonwovens, made-up textiles, paper and board, foam and other materials.
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Over-the-Air Performance
As a CATL (CTIA Authorized Test Lab), CETECOM is accredited to perform OTA measurements following the specifications of the Test Plan for Mobile Stations Over-theAir Performance. OTA measurements are a requirement to obtain PTCRB certification and compulsory for wireless devices that are launched on the North American market. The globally recognized GCF Regime has similar requirements regarding OTA measurements.
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Portable Analyzers
The key to the operation of Alpha Moisture Systems' Portable Analysers is the unique Desiccant Dry-Down Chamber. By keeping the sensor dry between tests, the special assembly of the head ensures that the instrument is always ready for immediate use. The head assembly consists of two chambers which have a telescopic action. When the head assembly is in the 'closed' or 'Dry-Down' position, the sensor is completely surrounded by desiccant, which absorbs the remaining water moisture from the sensor and hence it is dry and ready for use. The small space at the bottom of the test chamber enables the sample pipe to be purged before the test commences without wetting the sensor. By placing a finger over the outlet of the head, the sample pressure is able to open the test chamber automatically, exposing the sensor to the gas being tested and enabling accurate reading of moisture content in the sample gas. After each test the head assembly is closed by depressing the inner section so that the sensor will again be dried by the desiccant, leaving the sensor ready for use time and time again. The desiccant is kept in the inner chamber and is not exposed to ambient room air or the sample gas, therefore there is no need for frequent regeneration or replacement of the desiccant.
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Glass Door Humidity Chambers
FW30
The Bemco FW30, mechanically cooled, Glass Door Humidity Chamber has a temperature range of -18 C to +94 C (0 F to 200 F) and a humidity range of up to 5% RH to 95% RH. This chamber features dry air injection and a direct humidity sensor. It operates without dewpoint limit from 5% RH to 95% RH over the range of 30 C to 85 C and even allows operation at 20% RH at 5 C and 50% RH at -14 C!
