Q-BIT QB-202 Coupler 13DB

( Brand: Q-bit ), ( Manufacturer Part Number: QB-202 ), ( Type: Power Amplifier )

Review Q BIT Corporation 13db Coupler

The Q-Bit QB-202 13dB Coupler is a high-performance, microwave component designed for use in various applications, including wireless communication systems, radar systems, and satellite communications. This coupler is a crucial component in microwave networks, as it allows for the division of microwave power between two or more output ports while maintaining a high degree of signal integrity.

The QB-202 13dB Coupler is a 13dB directional coupler, which means it provides a significant power split between the input port and the first output port, while the second output port receives a much lower amount of power. This design ensures that the desired signal is strongly coupled to the first output port, while the unwanted signal is minimally coupled to the second output port.

The QB-202 Coupler is characterized by its excellent performance, with a return loss of over 20dB and an insertion loss of less than 2dB. It operates over a wide frequency range of 2-18 GHz, making it suitable for use in various microwave applications. The coupler is also compact in size, with a width of just 0.24 inches, making it easy to integrate into various microwave systems.

The QB-202 13dB Coupler is constructed using high-quality materials and advanced manufacturing techniques. It features a rugged, gold-plated SMA connector, which provides excellent resistance to corrosion and ensures reliable signal transmission. The coupler is also designed to operate in harsh environments, with a temperature range of -55 C to 85 C.

In summary, the Q-Bit QB-202 13dB Coupler is a high-performance microwave component that provides excellent signal splitting and isolation. Its wide frequency range, low insertion loss, and high return loss make it a reliable choice for use in various microwave applications. Its compact size, rugged construction, and gold-plated SMA connector ensure reliable performance even in harsh environments.

1. High Quality: Q-bit is known for its high-quality products, and the QB-202 is no exception. It is made of durable materials and is designed to provide reliable performance.

2. Wideband: The QB-202 has a wideband frequency range of 10 MHz to 18 GHz, making it suitable for a wide range of applications.

3. Low Loss: The 13db coupler has a low loss of 1.5dB, which means that it does not significantly attenuate the signal.

4. Easy to Install: The QB-202 is easy to install and requires minimal setup, making it a convenient option for many applications.

1. Cost: The QB-202 is a high-end coupler, and it comes with a premium price tag. It may be too expensive for some budget-conscious buyers.

2. Size: The QB-202 is larger than some other couplers on the market, which may be a disadvantage for applications where space is limited.

3. Limited Frequency Range: Although the QB-202 has a wideband frequency range, it may not be suitable for applications that require a frequency range beyond 18 GHz.

The Q-bit QB-202 13db Coupler is a high-quality, reliable, and easy-to-install option for applications that require a wideband coupler with low loss. However, its high cost and large size may be a disadvantage for some buyers. If budget is a concern, there may be cheaper options available with similar performance characteristics. If space is a concern, there may be smaller couplers that can be used instead. Ultimately, the decision to purchase the QB-202 will depend on the specific requirements of the application and the budget available.

If budget is not a concern and the application requires a wideband, low-loss coupler, then the Q-bit QB-202 13db Coupler is an excellent option. It is a reliable and high-quality product that is easy to install and provides excellent performance. However, if budget or space is a concern, it may be worth considering other options that may be more suitable for the specific application.

Details:

#M-1793-3, Only items pictured are included - If a part is not pictured, or mentioned above, then it in the sale. Q-Bit Corporation QB-202 13dB COUPLER, This used item has been Tested, is in working condition, May have Minor sign of as I showed at the photos, Please refer to attached photos before purchase.

part #: qb202 price

• $29.48

specifications hamamateuradio:

• brand: Q-bit
• mpn: Qb-202
• type: Power Amplifier

general hamamateuradio:

• Radio Communication > Ham, Amateur Radio > Ham Radio Amplifiers
• condition: Used

payments hamamateuradio:

• wallet: Paypal
• credit card: Discover
• other

seller hamamateuradio:

• rating: 97.3%
• city: San Jose, California
• # reviews: 4176

returns hamamateuradio:

• policy: No Returns

offer hamamateuradio:

• options: Ship-to-home
• availability: In Stock
• best offers: True
• quantity: 1
• sold: 0
• started: October 9, 2024

shipping hamamateuradio:

• service: USPS Ground Advantage
• class: Standard
• carrier: USPS
• type: Calculated
• transit: 6-10 Days
• cost: $0.00

Q-bit QB-202 Is Similar To:

• Q-bit Qb-150 Ham Q-bit Corporation Mhz Radio Microwave Rf Amplifier 15-24 Vdc (58.3% similar) I purchased this from the estate of a ham operator. It was still inline and presumed working, however I am unable to test it...(January 2nd, 2026)
• Q-bit Corporation Qbh-9-147 Rf Amplifier (57.8% similar) Q bit corporation QBH-9-147 RF amplifier, used, good working and cosmetic condition. I26-1849, G4...(May 5th, 2026)