Components such as amplifiers, receivers, and modulators, which are designed to operate in the range of the electromagnetic spectrum reserved for microwave or wireless communications.
RF, Microwave, and Wireless Components Categories

Access Points (221 suppliers)

Access points are transmitter / receivers (transceivers) that connect to a network through an interface such as a bus or connector. They receive, store, and transmit data between the wireless LAN and the wired structure.

Antenna Mounts (24 suppliers)

Antenna Mounts are used to hold and support antennas of all sizes and shapes.

Antennas (1,097 suppliers)

Antennas are structures or devices used to collect or radiate electromagnetic waves.

Bias Tees (62 suppliers)

Bias tees allow the insertion of DC voltages into a signal path without disrupting the existing signal in that path.

Board Mount EMI Filters and RFI Filters (58 suppliers)

Board mounted EMI Filters and RFI Filters are IC or board mounted devices designed to purify signals of unwanted noise.

Board Mount RF Filters (53 suppliers)

Board mount RF filters are devices mounted to a printed circuit board (PCB) which pass or reject signals by frequency.

Comb Generators (25 suppliers)

Comb generators create harmonic frequencies from which one frequency can be selected with a narrow filter and filtered out.

DC Blocks (82 suppliers)

DC blocks prevent the flow of direct current (DC) through radio frequency (RF) circuits. They serve as high-pass filters that prevent DC voltages, which have a frequency of zero Hertz (Hz), from interfering with sensitive RF components such as receivers. In other words, DC blocks are capacitors in series with a transmission line. They prevent the flow of DC energy while allowing RF signals to pass with little (if any) attenuation.  

Delay Lines (82 suppliers)

Delay lines are devices used to slow down a signal by a time interval in an electrical network. There are two basic delay line technologies: passive and active. 

EMI and RFI Shielding (630 suppliers)

EMI and RFI shielding includes coatings, gaskets, enclosures, sealants, resins and other products or materials that block out electromagnetic interference (EMI) and radio frequency (RF) interference.

EMI Filters and RFI Filters (341 suppliers)

Electromagnetic (EMI) filters and radio frequency interference (RFI) filters purify signals of unwanted noise by attenuating the high-frequency RFI (typically 150kHz and up) and passing the low frequency EMI.

Frequency Discriminators (20 suppliers)

Frequency discriminators are RF or microwave devices that are used to detect a signal with a particular frequency.

Frequency Synthesizers (105 suppliers)

Frequency synthesizers are electronic devices that generate frequencies by using a combination of other frequencies.

Horn Antennas (54 suppliers)

Horn antennas are used for the transmission and reception of microwave signals. They are usually fed by waveguides.

I/Q Modulators and I/Q Demodulators (68 suppliers)

I/Q modulators and I/Q demodulators change the amplitude, frequency, or phase of a carrier signal in order to transmit information. I/Q modulators split an incoming data stream into its in-phase (I) and quadrature (Q) components, mix the resulting signals with local oscillators that are 90º apart in phase, and then combine the outputs vectorially in a 0º mixer.

Noise Generators and Sources (64 suppliers)

Noise generators and sources are used to produce noise outputs for testing radio frequency (RF) equipment.

Noise Meters (23 suppliers)

RF noise meters are used to measure and/or monitor noise produced by RF equipment.

Noise Standards (5 suppliers)

Noise standards are used to calibrate other noise instruments.

Oscillators (536 suppliers)

Oscillators are devices that are used to generate repetitive signals. They produce output signals without an input signal. There are two major types of electronic oscillators: harmonic oscillators and relaxation oscillators. Harmonic oscillators produce sine wave outputs. Relaxation oscillators produce non-sine wave outputs such as square wave, rectangular wave, and sawtooth outputs.

Oscilloscopes (301 suppliers)

Oscilloscopes translate an electronic signal into a pattern or waveform on a screen. As it is traced across the screen, the waveform creates a signature of the signal's characteristics.

QPSK Modulators and BPSK Modulators (26 suppliers)

Quadrature phase shift keying (QPSK) modulators and binary phase shift keying (BPSK) modulators are used to change certain characteristics (amplitude, frequency or phase) of a carrier signal in order to transmit information. The changes in the parameter(s) of the carrier are made in accordance with an information-bearing signal (modulation signal).

Radar Systems and Products (179 suppliers)

Radar systems and radar products have synchronized transmitters and receivers that send radio waves and detect their reflections from objects, surfaces or sub-surface structures.

Radio Modems (164 suppliers)

Radio modems are radio frequency transceivers for serial data. They connect to serial ports (RS232, RS422, etc.) and transmit to and receive signals from another matching radio modem.

RF Adapters (226 suppliers)

RF adapters are used to connect different waveguides and/or coaxial cables. They are passive devices that direct radio frequency (RF) signals with minimal return loss.

RF Amplifiers (547 suppliers)

RF amplifiers are devices that accept a varying input signal and produce an output signal that varies in the same way, but with larger amplitude.

RF and Microwave Connectors (389 suppliers)

RF and microwave connectors are used to connect the ends of cables in systems that operate in the radio frequency (RF) or microwave spectrum. They include threaded or bayonet-style couplings that snap, screw, or push into place.

RF Attenuators (339 suppliers)

RF attenuators are circuits that reduce the power level of a signal by a certain amount (gain), with little or no reflection. They reduce the output signal with respect to the input and measure the power reduction in decibels (dB).  

RF Band Pass Filters (147 suppliers)

RF band pass filters are active or passive circuits that pass signals from a specific frequency band and reject signals from out-of-band frequencies. Surface acoustic wave (SAW) filters, crystal filters, and cavity filters are types of band pass filters.

RF Band Reject Filters (55 suppliers)

RF band reject filters are tuned circuits that prevent the passage of signals within a specified band of frequencies. These devices are also known as bandstop or notch filters.

RF Couplers (297 suppliers)

RF couplers are circuits that sample RF transmissions by combining (coupling) signals asymmetrically. There three basic types of devices: unidirectional, bidirectional, and dual directional.

RF Diplexers, Duplexers, and Multiplexers (209 suppliers)

RF diplexers are three-port frequency-dependent devices that may be used as a separator or a combiner of signals. RF duplexers allow a transmitter operating on one frequency and a receiver operating on a different frequency to share a common antenna with a minimum of interaction and degradation of the different RF signals.

RF Filters and Microwave Filters (417 suppliers)

RF filters and microwave filters are devices that pass or reject signals by frequency. Basic types include bandpass filters, band reject filters, low pass filters, and high pass filters.

RF Frequency Converters (172 suppliers)

RF frequency converters are integrated component assemblies required for converting microwave signals to lower (or intermediate) or higher frequency range for further processing.  

RF Frequency Multipliers (67 suppliers)

RF frequency multipliers are nonlinear devices that produce an output signal with a frequency that is larger than the frequency of a corresponding input signal by a predetermined factor.

RF Headends (17 suppliers)

RF headends are electronic control centers, generally located at the antenna site of a system, which includes the antenna, preamplifiers, frequency converters, demodulators and other related equipment.

RF High Pass Filters (74 suppliers)

RF high pass filters pass signals from high frequencies and reject signals from low frequencies.

RF Isolators and RF Circulators (136 suppliers)

RF isolators and RF circulators are passive devices used to control the propagation of an RF signal.

RF Limiters (54 suppliers)

RF limiters are circuits that prevent the amplitude of a waveform from exceeding a specified value. There are three basic types of RF limiters: conventional, feedback, and high power.

RF Low Pass Filters (97 suppliers)

RF low pass filters pass signals from low frequencies and reject signals from high frequencies.

RF Mixers (111 suppliers)

RF mixers convert RF power at one frequency into power at another frequency to make signal processing easier and more efficient.

RF Modules (164 suppliers)

RF modules are partially finished circuits that can be incorporated into larger designs.

RF Phase Detectors and Comparators (41 suppliers)

RF phase detectors and comparators are circuits or instruments that provide a DC output voltage proportional to the difference in phase between two RF signals.

RF Phase Shifters (109 suppliers)

RF phase shifters are twin-ported devices that alter the phase of an output signal in response to an external signal.

RF Power Detector ICs (9 suppliers)

RF Power Detector IC's. are chips that detect the presence and strength of an RF signals and provide a corresponding output.

RF Power Detectors (20 suppliers)

RF power detectors are devices that detect an RF signal and convert it to an output that corresponds to the RF power. These devices typically connect in-line with coaxial connectors.

RF Power Dividers and RF Power Combiners (299 suppliers)

RF power dividers and RF power combiners are circuits that accept input signals and deliver multiple outputs that are equal in phase and amplitude. There are two basic product categories: passive and active.

RF Receivers (264 suppliers)

RF receivers are electronic devices that enable a particular radio signal to be separated from all others being received and converted into a format for video, voice, or data.

RF Repeaters (110 suppliers)

RF repeaters have independent paths for reception and transmission, through which they collect and send signals to antennas and other stations.

RF Rotary Joints (28 suppliers)

Radio frequency (RF) rotary joints are electro-mechanical devices that provide crucial interfaces between stationary and rotating sections of radar and other rotating systems.

RF Switches (271 suppliers)

RF switches route radio frequency signals to particular waveguides.

RF Terminations (120 suppliers)

RF terminations are used to absorb energy and prevent RF signals from reflecting back from open-ended or unused ports.

RF Transceivers (260 suppliers)

RF transceivers are electronic devices that receive and demodulate an RF signal, then modulate and transmit a new signal.

RF Transformers (128 suppliers)

RF transformers transfer energy from one circuit to another by electromagnetic induction. Typically, they are used to increase or decrease voltage as it passes from one side through the other.

RF Transmitters (247 suppliers)

RF transmitters are electronic devices consisting of an oscillator, modulator, and other circuits that produce an RF signal.

RF Upconverters and RF Downconverters (131 suppliers)

RF upconverters and RF downconverters are integrated assemblies that convert microwave signals to another frequency range for further processing. Generally, they are designed to produce an output signal frequency for a particular frequency band.

RF Waveguide Amplifiers (16 suppliers)

RF waveguide amplifiers accept a varying input signal and produce an output signal that varies in the same way, but with a larger amplitude.

RF Waveguide Assemblies (31 suppliers)

RF waveguide assemblies include such waveguide components as bends, twists, straight sections, short sections, offset sections, and others.

RF Waveguide Attenuators (26 suppliers)

RF waveguide attenuators are waveguide components used to reduce the power level of a signal by a certain amount (gain), with little or no reflections. The output signal is reduced with respect to the input.

RF Waveguide Combiners and Dividers (33 suppliers)

RF waveguide combiners and dividers are circuits that combine or divide radio frequency (RF) signals.

RF Waveguide Components (232 suppliers)

RF waveguide components are circular, elliptical or rectangular metal tubes or pipes through which electromagnetic waves are propagated in microwave and RF communications. The wave passing through the medium is forced to follow the path determined by the physical structure of the guide.

RF Waveguide Couplers (50 suppliers)

RF waveguide couplers are RF circuits used to sample RF frequency transmissions by coupling (combining) signals asymmetrically.

RF Waveguide Isolators and Circulators (43 suppliers)

RF waveguide isolators and circulators permit a signal to pass in one direction while providing high isolation to reflected energy in the reverse direction. RF waveguide circulators are passive devices with three or more ports.

RF Waveguide Phase Shifters (14 suppliers)

RF waveguide phase shifters are two-port waveguide modules that alter the phase of an output signal in response to an external signal.

RF Waveguide Tees (20 suppliers)

RF waveguide tees are components that allow one signal (line) to branch into two or more lines.

RF Waveguide Transition Adapters (24 suppliers)

RF waveguide transition adapters are used to connect waveguide components of different cross-section sizes.

Telemetry Receivers and Telemetry Transmitters (363 suppliers)

Telemetry receivers and telemetry transmitters are data acquisition components used to gather information from remote locations via wireless communication.

Towers, Masts, and Poles (276 suppliers)

Towers, masts and poles elevate, support and/or position personnel and equipment such as antennas, lighting, surveillance cameras or sensors, wind turbines, weather instruments, and power lines.

Waveguide Pressure Windows (18 suppliers)

Waveguide pressure windows are used to seal waveguides at high pressure and prevent contaminants from entering the system.

Waveguide Rotary Joints (16 suppliers)

Waveguide rotary joints (WRJ) are waveguide components used to transmit microwave energy from stationary lines to rotating lines. They are also known as rotating couplers and RF rotary joints.

Waveguide Terminations (85 suppliers)

Waveguide terminations absorb energy and prevent RF signals from reflecting back from open-ended or unused waveguide ports.

Waveguide-to-Coaxial Adapters (53 suppliers)

Waveguide-to-coaxial adapters are used to connect waveguide devices to coaxial components.

Wireless Modems (536 suppliers)

Wireless modems transmit modulated data using electromagnetic waves.

Wireless Systems (272 suppliers)

Wireless systems consist of combined RF components such as transmitters, receivers, transceivers, filters, down / up converters, antennas and antenna positioners.


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