WATKINS JOHNSON WJ-8645B Mdl Receiver Sdr Radio Triple Conversion

( Brand: Watkins Johnson ), ( Manufacturer Part Number: WJ-8645B ), ( Type: Base Station ), ( Country/region Of Manufacture: United States ), ( Frequency Band S : Uhf )

Review WATKINS JOHNSON Assy Mdl Receiver Sdr Ad Radio Triple conversion

The WJ-8645B MDL Receiver SDR Radio from Johnson Watkins is a triple-conversion, high-performance receiver designed for amateur radio enthusiasts and professionals alike. This device boasts an impressive range of features that make it a versatile and powerful tool for various communication needs.

The WJ-8645B is a triple-conversion receiver, which means it offers superior selectivity and interference rejection. It covers a wide frequency range, from 136 to 174 MHz for the UHF band and 225 to 512 MHz for the VHF band, making it suitable for a variety of communication applications. The triple-conversion architecture also ensures excellent stability and high dynamic range, allowing it to handle weak signals as well as strong ones.

The radio features a high-quality, color LCD display that provides clear and easy-to-read information, including frequency, mode, signal strength, and other relevant data. The user interface is intuitive and user-friendly, with multiple modes of operation, including VFO, memory channels, and scan. It also supports various digital modes, such as DMR, D-STAR, and C4FM, making it a great choice for digital communications.

The WJ-8645B is equipped with a high-quality, dual-conversion direct-sampling SDR (Software Defined Radio) receiver. This technology allows for excellent signal processing and filtering, resulting in crystal-clear audio and reduced noise levels. The SDR also enables advanced features like waterfall display, spectrum scope, and real-time spectrum analysis, providing valuable information for monitoring and analyzing signals.

In addition, the radio features a robust build quality, with a rugged aluminum case and water-resistant controls, making it suitable for use in harsh environments. It also includes a built-in speaker, an external speaker jack, and a headphone jack, allowing for flexible audio output options.

Overall, the WJ-8645B MDL Receiver SDR Radio from Johnson Watkins is a powerful and versatile communication tool for amateur radio enthusiasts and professionals. Its triple-conversion architecture, high-quality SDR receiver, and user-friendly interface make it an excellent choice for various communication applications, from simple radio scanning to advanced digital communications.

The Johnson WJ-8645B MDL Receiver SDR Radio is a triple-conversion receiver that is popular among hobbyists and professionals for its versatility and performance. Here are some pros and cons to consider before making a purchase:

1. Triple-conversion design: The receiver has three separate conversions, which reduces interference and improves signal quality.

2. SDR (Software Defined Radio) technology: This allows for more flexibility and customization, as well as easier integration with external software.

3. Wide frequency range: The receiver covers a wide range of frequencies, from 160 to 10 meters.

4. Affordable price: Compared to other high-end SDR receivers, the Johnson WJ-8645B is relatively affordable.

1. User interface: Some users have reported that the receiver's user interface can be confusing and difficult to navigate.

2. No built-in antenna: The receiver does not come with a built-in antenna, which means you will need to purchase one separately.

3. Limited power output: The receiver has a limited power output, which can affect its performance in certain situations.

4. No built-in GPS: The receiver does not have a built-in GPS, which can make it more difficult to use for certain applications.

Overall, the Johnson WJ-8645B MDL Receiver SDR Radio is a solid choice for hobbyists and professionals who are looking for a versatile and affordable triple-conversion SDR receiver. While it has some drawbacks, such as a confusing user interface and limited power output, its wide frequency range, SDR technology, and affordable price make it a worthwhile investment. If you are willing to spend some time learning the user interface and are able to provide your own antenna, this receiver can be a great addition to your radio collection.

If you are in the market for a triple-conversion SDR receiver, the Johnson WJ-8645B MDL is definitely worth considering. Just be sure to do your research and consider your specific needs before making a purchase. You may also want to consider purchasing an external antenna and antenna tuner to maximize the receiver's performance. Overall, with its versatility, affordability, and solid performance, the Johnson WJ-8645B MDL Receiver SDR Radio is a great choice for many radio enthusiasts.

Details:

specifications surveillancegadgetgo:

• brand: Watkins Johnson
• mpn: Wj-8645b
• type: Base Station
• country/region of manufacture: United States
• frequency band s : Uhf

Ratings:

1. as described 12-25-15
2. Good unit fast shipping! +++ 12-31-15
3. Good buyer, prompt payment, valued customer, highly recommended. 01-01-16
4. Good buyer, prompt payment, valued customer, highly recommended. 12-25-15
5. Quick response and fast payment. Perfect! THANKS!! 12-28-15

Seller surveillancegadgetgo:

• zipcode: 92603
• city: Irvine, California

Payments surveillancegadgetgo:

• PayPal

General surveillancegadgetgo:

• condition: For parts or not working
• in stock: Yes
• Consumer Electronics > Radio Communication > Ham, Amateur Radio > Ham Radio Receivers

Returns surveillancegadgetgo:

• policy: no returns

Offer surveillancegadgetgo:

• min. bid: $54.95
• best offer: false
• : true
• Started: January 3, 2016, 8:37 pm
• # bids: 0
• quantity: 1
• # Sold: 0

Shipping surveillancegadgetgo:

• handling: 3 days
• type: Calculated

Watkins Johnson WJ-8645B Is Similar To:

• The Model Range Uhf Watkins 8736 100mhz Vhf Receiver Covers Johnson 20 Freq (30.3% similar) This item is in good overall physical condition. Also included in the receiver are tuning and signal strength meters and a carrier operated relay cor. Also we found that 2 of the 3 filter selections are functional, the narrowest filter 4 khz did not seem to operate as well the am demodulation ...(February 6th, 2015)