2026-02-12
Dual directional coupler is a precise passive microwave/RF device. This product provides high-performance solutions for fields such as broadcast communication, high-power RF testing, scientific research, and EMC testing with its excellent ultra wide operating frequency band of 0.6MHz to 60MHz, average input power processing capability of up to 500 watts, and excellent 40dB directionality.Read more
2026-02-05
A power amplifier is an electronic device designed to boost signal power, primarily functioning by amplifying weak input signals to sufficient strength to drive loads such as antennas and loudspeakers. By compensating for transmission losses and enhancing signal coverage distance and quality, Read more
2026-01-29
This product is a high-performance, voltage-controlled variable attenuator designed to operate over an extremely wide bandwidth from 0.05 to 6GHz, providing a continuous attenuation range of up to 30dB. Its standard SMA RF interfaces ensure convenient and reliable connections with various test systems and circuit modules Read more
2026-01-22
The 4-way power divider is a high-performance RF/microwave passive component specifically designed for multi-channel signal distribution. It features excellent power splitting capability, low insertion loss, and high isolation, making it suitable for demanding communication and testing environments. Read more
2026-01-15
The 8-way power divider is a high-performance RF/microwave passive component specifically designed for multi-channel signal distribution. It features excellent power splitting capability, low insertion loss, and high isolation, making it suitable for demanding communication and testing environments. Read more
2026-01-09
A 2 way power divider is a fundamental and essential passive microwave device. Its primary function is to evenly (ideally) divide an input signal into two output signals with consistent phase and equal amplitude, effectively "splitting the power in half." Conversely, when the signal flow is reversed, it can also serve as a combiner, merging two signals into one. Read more
2025-12-26
Detector Log Video Amplifiers (DLVAs) are a core signal conditioning component in modern RF and microwave systems. It directly performs peak detection on the input RF signal, logarithmically amplifies the resulting video voltage signal, and ultimately outputs a DC voltage that has a linear relationship with the input RF power. Read more
2025-12-18
The coaxial isolator is a microwave passive device based on ferrite materials and the principle of non-reciprocity. It allows unidirectional transmission of electromagnetic waves: Minimal attenuation in the forward direction (input to output) and maximal attenuation in the reverse direction (output to input).Read more
2025-12-11
A voltage controlled oscillator (VCO) is a stable and reliable frequency source whose output frequency can be precisely controlled by the input voltage. In short, minor variations in the input voltage can linearly and rapidly alter the oscillator's output frequency. Read more
2025-12-04
Qualwave has introduced a wideband digitally controlled attenuator with leading performance specifications. Its operating frequency spans from 0.1MHz to 50GHz, with an attenuation range of 0~31.75dB and a minimum step size of 0.25dB. Read more
2025-11-28
A high-power waveguide load is a device with a terminal at the end of a waveguide (a metal tube used for transmitting high-frequency microwave signals) or coaxial cable. It can absorb and dissipate almost all incoming microwave energy with minimal reflection, converting it into thermal energy. It serves as an indispensable key component in ensuring the safe Read more
2025-11-20
The 4-Way Power Divider is a high-performance RF passive component designed to split an input signal into four output paths with minimal insertion loss, excellent amplitude/phase balance, and high isolation. Read more
2025-11-13
Qualwave Inc. has launched a low-noise amplifier with the model number QLA-2-1200-30-10. This product delivers exceptional performance across an ultra-wide frequency range of 0.002GHz to 1.2GHz, providing solutions for fields such as communications, testing and measurement, and aerospace. Read more
2025-11-06
This product is a high-performance, voltage controlled variable attenuator designed to operate over an extremely wide bandwidth from DC to 8GHz, providing a continuous attenuation range of up to 30dB.Read more
2025-10-31
The 6-way power divider is a passive component used in RF and microwave systems, capable of evenly splitting a single input microwave signal into six output signals. It serves as an essential foundational element in the construction of modern wireless communication, radar, and testing systems.Read more
2025-10-23
This product is a high-performance, ultra-broadband DC bias tee, operating from 0.1 to 26.5 GHz. It features robust SMA connectors and is designed for demanding microwave RF circuit testing and system integration. It efficiently and seamlessly combines RF signals with DC bias powerRead more
2025-10-16
The 32-way power divider functions like a precise "signal traffic hub," evenly and synchronously distributing a single input high-frequency microwave signal into 32 identical output signals. Conversely, it can also serve as a combiner, merging 32 signals into one.Read more
2025-10-10
A balanced mixer is a circuit device that mixes two signals together to produce an output signal, which can improve the sensitivity, selectivity, stability, and consistency of receiver quality indicators.Read more
2025-09-25
Dual directional coupler is a precise passive microwave/RF device. This product provides high-performance solutions for fields such as broadcast communication, high-power RF testing, scientific research, and EMC testing with Read more
2025-09-18
The dual directional crossguide coupler is a high-precision passive device used in microwave RF systems. Its core function is to simultaneously sample and separate the energy of Read more
2025-09-11
A manual phase shifter is a device that changes the phase transmission characteristics of a signal through manual mechanical adjustment. Its core function is to precisely control the phase delay of microwave signals in the transmission path.Read more
2025-09-04
Microwave frequency divider, also known as a power splitter, is a critical passive component in RF and microwave systems. Its core function is to accurately distribute an input microwave signal into multiple output ports in specific proportions (typically equal power), and conversely, it can also be used as a power combiner toRead more
2025-08-29
A 90 degree hybrid coupler is a four port microwave passive device. When a signal is input from one of the ports, it evenly distributes the energy of the signal to two output ports (each half, i.e. -3dB), and there is a 90 degree phase difference between these two output signals.Read more
2025-08-22
A 90 degree hybrid coupler is a four port microwave passive device. When a signal is input from one of the ports, it evenly distributes the energy of the signal to two output ports (each half, i.e. -3dB), and there is a 90 degree phase difference between these two output signals. The other port is an isolated end, ideally without energy output.Read more
2025-08-14
New Low-Noise Amplifier System Enhances High-Performance Signal Reception. In fields such as wireless communications, radar detection, satellite navigation, and precision measurement, high-fidelity amplification of weak signals remains a critical technical challenge. We are proud to introduceRead more
2025-08-07
RF coaxial termination is an important component in electronic circuits, usually used to connect to the end of coaxial cables, to absorb the energy of radio frequency (RF) or microwave signals and convert them into thermal energy. RF coaxial terminations are widely used in high-frequency applications such as Read more
2025-07-31
The SPDT (Single Pole Double Throw) RF switch is a high-performance microwave switch specifically designed for high-frequency signal routing, enabling rapid switching between two independent paths. This product features a low-loss, high-isolation design, making it suitable for Read more
2025-07-24
A 3KV high-voltage DC block is a key passive component used in high-frequency circuits, capable of blocking DC or low-frequency components while transmitting high-frequency signals, and withstanding DC voltages up to 3000 volts. Its core function is to "isolate direct current" Read more
2025-07-18
The 4-Way Power Divider is a high-performance RF passive component designed to split an input signal into four output paths with minimal insertion loss, excellent amplitude/phase balance, and high isolation.Read more
2025-07-11
A balanced mixer is a circuit device that mixes two signals together to produce an output signal, which can improve the sensitivity, selectivity, stability, and consistency of receiver quality indicators. It is a key component used for signal processing in microwave systems.Read more
2025-07-02
The 8-way power divider is a high-performance RF/microwave passive component specifically designed for multi-channel signal distribution. It features excellent power splitting capability, low insertion loss, and high isolation, making it suitable for demanding communication and testing environments.Read more
2025-06-26
Low noise amplifier is a key component in RF/microwave systems, mainly used to amplify weak signals while minimizing additional noise.Read more
2025-06-20
Waveguide switch is a critical component in microwave systems used to control signal paths, enabling switching or toggling signal transmission between different waveguide channels.Read more
2025-06-13
A power amplifier is an electronic device used to amplify the power of RF signals. It is widely used in fields such as communication, radar, electronic countermeasures, broadcasting and television, and is a key component in the RF signal chain.Read more
2025-06-06
TRF power amplifiers with a frequency range of 1-26.5GHz are wideband, high-performance microwave devices that cover the most critical and active frequency regions in modern wireless communication, radar, electronic warfare, and satellite communication.Read more
2025-05-29
The waveguide power divider adopts a waveguide structure, which is a rectangular, circular, or elliptical shaped metal conduit with air or other media inside. The main function of a 2-way waveguide power divider is to divide the microwave power input from one channel equally (ideally) into two output powers.Read more
2025-05-23
A waveguide fixed attenuator is a device used to control and reduce signal strength during electromagnetic wave transmission.Read more
2025-05-16
Low noise amplifier is an electronic device used to amplify weak signals, widely used in fields such as communication, radar, radio astronomy, etc.Read more
2025-05-09
Voltage controlled phase shifter is a device that changes the phase of RF signals by controlling the voltage.Read more
2025-04-25
A 256 frequency divider is a digital circuit module that reduces the frequency of an input signal to 1/256 of its original frequency.Read more
2025-04-18
Radio frequency probe is a key tool for high-frequency signal testing, widely used in the measurement and analysis of electronic circuits, semiconductor devices, and communication systems.Read more
2025-04-11
A 32-way RF power divider is a passive device that evenly distributes one RF signal to 32 output signals.Read more
2025-04-03
A power amplifier module is a critical component used to amplify the power of RF signals to a sufficiently high level for transmission through an antenna or driving other RF devices.Read more
2022-09-30
The 25th European Microwave Week is the largest trade show dedicated to microwaves and RF in Europe, including three forums, workshops, short courses and more for discussing trends and exchanging scientific and technical information.Read more
2013-11-18
Qualwave Inc. decided to renew the website to provide better service. Qualwave Inc. is a user oriented company. The leadership team was taking customer requirements as the momentum to make the company to success ...Read more