和功通信工業 List of Products and Services

We offer the "Deep Space Band Protection Band Rejection Filter." This band rejection filter is primarily connected to the transmission output of X-band transmitters and is designed to reduce spurious emissions radiated in the deep space band (8400MHz to 8450MHz) to the levels specified by the SFCG recommendation (ITU-R SA.1157). It is compact and lightweight, making it suitable for deployment on small artificial satellites, and has been specially designed with careful consideration in parts selection, manufacturing processes, and environmental testing to ensure reliable operation in space. ■ Orders can be placed in small quantities. *For more details, please refer to the PDF document or feel free to contact us.

• Other electronic parts

This is an electronic compact phase shifter (phase trimmer) that can shift the phase of an input RF signal by any angle by varying the applied DC voltage. It is used to correct the inherent phase amount of RF devices such as SW, FILTER, and AMP. We offer models with both ends SMA connector type "WPS-108 to 112" and SMT (surface mount technology) type "WPS-114 to 119." 【Features】 ■ Usable in the 5G band (3–5GHz) ■ Frequency range: 0.5–6.8GHz ■ Two types of models: one with both ends SMA connector and one for SMT ■ Easy to handle (just apply DC voltage) ■ Compact and lightweight * For more details, please refer to the PDF document or feel free to contact us.

• Other electronic measuring instruments
• Time-frequency measurements
• Voltage Meter

The "Band Reject Filter (BRF) 1.5GHz Band" is a high-performance filter that achieves passing characteristics up to 6GHz (4th harmonic) by removing spurious signals in the 1.5GHz band. Custom manufacturing is possible from a single unit according to your needs. We can also suggest mounting brackets and connector positions to suit the installation environment. Since there is no need for additional HPF, it contributes to cost reduction. This product is suitable for those who feel challenged by the narrow stopband in the development of wireless devices, communication equipment, and measuring instruments. 【Features】 ■ Proposals tailored to frequency and installation environment are possible ■ Achieves passing characteristics up to 6GHz with a single unit ■ Solves the challenge of a narrow stopband * We can propose custom filters according to your specified requirements. Please feel free to contact us.

• Other filters

The "Phase Shifter (WPS-102-XX)" is a compact phase shifter with a design weight of only 35g. In addition to phase correction for UHF band coaxial components, it can be used for phase adjustment in wireless devices, phase correction in UHF amplifiers, and in optical communication devices (wireless section). It is produced as a standard product, achieving low cost and short delivery times. Additionally, there is an option to change the connector part to SMA-P. 【Features】 ■ Outputs a signal that is shifted by a constant angle in phase relative to the input signal ■ Compatible with UHF band, various wireless bands, and optical communication (wireless section) ■ Supports low-loss variable phase of the signal ■ Low cost and short delivery time due to being a standard product *For more details, please refer to the PDF materials or feel free to contact us.

• Other electronic parts

This product is a compact version of a "band filter" that excels in satellite communication devices, micro relay devices, mobile phone base stations, and various wireless systems! We offer two types: "dielectric type" and "lumped constant type." If you wish to customize the specifications, please feel free to consult with us! 【Features】 ■ Smaller than conventional products, allowing for effective use of space. ■ Contributes to cost reduction due to compatibility with standard components. ■ High convenience for procurement as it is domestically produced. ■ Short delivery time (as short as 10 working days after order). *For more details, please refer to the PDF materials or feel free to contact us.

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The "X Band BPF" is a cavity-type bandpass filter recommended for frequencies ranging from 400MHz to 18GHz. By constructing the λ/4 to λ/8 resonant circuits with metal, it allows for high structural flexibility and achieves a high Q value. 【Product Specifications】 ■ Center Frequency Range (fo): 400MHz to 18GHz ■ Impedance: 50Ω ■ Bandwidth (BW): 0.5% to 10% ■ Insertion Loss: According to specifications ■ Input/Output Connectors: SMA, N, and others ■ Maximum Input Power: Up to 100W ■ Number of Circuit Stages: N=3 to 12 *For more details, please refer to the PDF document or feel free to contact us.

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- It is possible to change the center frequency within the adjustable range for three units. ○ 10-13GHz ○ 2.13-17GHz ○ 3.17-20GHz - For re-adjustment of the actual product, we can respond at low cost and with a short delivery time.

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• High frequency/microwave parts
• Other electronic parts

- Surface mount type BPF using coaxial dielectric resonator - Can be manufactured in pin type and connector type - Usable frequency range: 500MHz to 8500MHz

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• High frequency/microwave parts
• Other electronic parts

We design and manufacture various components of microwave waveguide types. We can accommodate up to 70GHz and will propose products tailored for straight and corner-type applications. 【Product Examples】 - Ku-band waveguide duplexer - Ku-band waveguide bandpass filter - Waveguide directional coupler - Ku-band OMT *For more details, please download our catalog. Feel free to contact us with any inquiries.

• High frequency/microwave parts
• Other electronic parts
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The "K, Ka Band Bandpass Filter" is a cavity-type bandpass filter operating in the frequency range of 18 to 40 GHz. Custom manufacturing is available for your desired pass frequency, bandwidth, and attenuation characteristics. 【Specifications Example】 ■ Attenuation Band Frequency: 18.0 to 21.95 GHz ■ Insertion Loss: 2.0 dB or less ■ Return Loss: 13 dB or more ■ Attenuation Characteristics: 50 dB or more at 15.3 GHz and 25.4 GHz *For more details, please download the PDF. Feel free to contact us with any inquiries.

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The "PIMD Measurement Unit" is a unit for measuring intermodulation distortion (Passive IMD) of passive components. By utilizing a 2CH amplifier unit, PIMD test unit, and your existing measuring instruments, you can reduce the overall cost of the system. The "Power Amplifier" serves as a signal source for power-on tests and evaluation tests. It can accommodate various power levels from 10 to 200W within the frequency range of 10MHz to 4000MHz. The 2CH has been integrated as a test signal amplifier for PIMD measurements. 【Features】 ■ PIMD Measurement Unit ○ Custom support for required frequencies from 700MHz to 3.5GHz ○ Capable of accepting up to 25W with 2 wave inputs ■ Power Amplifier ○ Accommodates various power levels from 10 to 200W within the frequency range of 10MHz to 4000MHz ○ 2 CH, 1 CH, wideband, and narrowband options available as needed For more details, please contact us or download the catalog.

• Other measurement, recording and measuring instruments

The "Wideband HPF" has been enhanced for high frequency using a distributed constant circuit compared to our conventional products. The passband frequency range has been broadened compared to conventional products. There are 4.2GHz HPF and 10GHz HPF available. The "[X-band BPF" is a wideband BPF using interdigital circuits. There are 9.7GHz BPF and 15GHz BPF available. 【Features】 ■ Wideband HPF ○ Input power: Up to 10W ○ Broadened passband frequency range ■ X-band BPF ○ Wideband BPF using interdigital circuits ○ Passband ratio of 10% or more For more details, please contact us or download the catalog.

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The "C-band group delay compensation bandpass filter" is a bandpass filter that flattens the DELAY deviation within the band, enabling measures against signal degradation in various communications. It ensures nearby attenuation characteristics due to its polar characteristic. 【Features】 ■ Measures against signal degradation are possible ■ Passband frequency: 4580 to 4620 MHz ■ Out-of-band attenuation: over 60 dB at 4530 and 4680 MHz *For more details, please contact us or download the catalog.

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The "Receiving Channel Filter" is a single-channel bandpass filter for the UHF band. It can be manufactured for specified channels and is available in small quantities. 【Features】 ■ Receiving Channel Filter ○ Can be manufactured for specified channels ○ Compact and low-cost *For more details, please request documentation or view the PDF data available for download.

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The "Band Reject Filter" (BRF) is a filter capable of removing unwanted waves and specific spurious signals. It achieves steep, high attenuation, and wideband pass characteristics. It can be manufactured over a wide range of center frequencies from 30MHz to 12GHz. 【Features】 ■ Capable of removing unwanted waves and specific spurious signals ■ Can be manufactured over a wide range of center frequencies from 30MHz to 12GHz ■ Achieves steep, high attenuation, and wideband pass characteristics *For more details, please contact us or download the PDF materials.

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• Other filters

The "IF Band 130MHz Group Delay Compensation Bandpass Filter" is a bandpass filter for the IF band (130MHz). It achieves a flat characteristic through a delay characteristic correction equalizer. The passband width is 17.4MHz. 【Features】 - For IF band (130MHz) - Center frequency: 130MHz - Passband width: 17.4MHz - Low price For more details, please contact us or download the catalog.

• filter

This product is a bandpass filter with a passband frequency of 4580 to 4620 MHz. It allows for measures against signal degradation in communication by maintaining a flat characteristic for delay deviation within the band. The polar characteristic ensures nearby attenuation characteristics. 【Features】 ■ Measures against signal degradation in communication are possible ■ Ensures nearby attenuation characteristics *For more details, please contact us or download the catalog.

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• High frequency/microwave parts