LINEAR 211745A Dx Receiver DXR-702 2-CHANNEL

( Brand: Linear ), ( Type: 2-channel Receiver ), ( Color: White ), ( Manufacturer Part Number: 211745A ), ( Country/region Of Manufacture: China )

Review LINEAR Dx By Model 2-channel Receiver

The Linear Technology LT211745A DX2XR-702 is a high-performance, low-noise, 2-channel receiver designed for use in industrial, telecommunications, and military applications. This receiver is ideal for receivers requiring low power consumption and high sensitivity.

The LT211745A integrates a low-noise amplifier (LNA) and a mixer in a single chip, simplifying the design and reducing the number of external components. The receiver is designed to operate in the frequency range of 50 MHz to 6 GHz and can be configured for either single-ended or differential input and output.

The LNA of the receiver provides a low noise figure (NF) of 1.5 dB and a gain of 20 dB. The receiver also features a low input referred noise of 2.7 nV/ Hz and a high IP3 (third-order intercept point) of 14 dBm, ensuring that it can handle strong signals without distortion.

The LT211745A also includes an automatic gain control (AGC) feature, which adjusts the gain of the LNA to maintain a constant output signal level, regardless of the input signal strength. This feature ensures that the receiver maintains optimal performance in varying signal environments.

The receiver also includes a built-in limiter to protect against overloading, as well as a programmable bandpass filter to help reject unwanted noise and interference. The receiver's power consumption is low, with a typical current consumption of 140 mA per channel at a supply voltage of 3.3 V.

The LT211745A is housed in a compact 28-pin QFN package and is available in various temperature grades to ensure reliable operation in a wide range of environments. With its high performance, low power consumption, and ease of use, the Linear Technology LT211745A DX2XR-702 is an excellent choice for applications requiring a high-performance, low-noise receiver.

Pros and Cons of buying a Linear 211745A DX DXR-702 2-Channel Receiver

The Linear 211745A DX DXR-702 is a 2-channel receiver that is widely used in various applications, including amateur radio communication and scanning. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this receiver.

1. Superheterodyne Design: The Linear 211745A DX DXR-702 employs a superheterodyne design, which offers several benefits such as improved selectivity, better sensitivity, and reduced susceptibility to interference. This design is ideal for receiving weak signals and filtering out unwanted noise.

2. Wide Frequency Coverage: The receiver boasts an impressive frequency range of 25 kHz to 1.7 GHz, which caters to a broad array of applications, from amateur radio bands to public safety and airband frequencies.

3. Dual Watch and Roaming: The 2-channel feature allows users to monitor two frequencies simultaneously, ensuring they do not miss critical information from both channels. Additionally, the roaming feature enables the receiver to automatically switch between channels when it detects stronger signals.

4. High-performance Filtering: The Linear 211745A DX DXR-702 incorporates various filtering options, including narrow and wide bandwidths, which enable users to optimize their reception based on their specific requirements.

5. Backlit LCD Display: The receiver's backlit LCD display enhances user experience by ensuring clear and visible readings, even in low-light conditions.

1. Size and Weight: The Linear 211745A DX DXR-702 is relatively large and heavy compared to some other receivers in its class, which may make it less portable for some users.

2. Complex User Interface: The receiver's user interface can be complex and might require a learning curve for those who are not familiar with its features and functions.

3. Limited Battery Life: The rechargeable battery provides around 4 hours of usage, which may not be sufficient for extended field operations.

4. Limited Connectivity Options: The Linear 211745A DX DXR-702 does not offer Wi-Fi or Bluetooth connectivity, which could be a drawback for users who prefer a more integrated and wireless experience.

The Linear 211745A DX DXR-702 2-channel receiver offers several compelling advantages, such as its superheterodyne design, extensive frequency coverage, and dual watch and roaming features. However, it also comes with some drawbacks, including its size and weight, complex user interface, limited battery life, and lack of connectivity options.

If you are seeking a high-performance receiver that offers extensive frequency coverage, robust filtering capabilities, and the ability to monitor two frequencies simultaneously, the Linear 211745A DX DXR-702 is an excellent choice. However, if you prioritize portability, a simpler user interface, longer battery life, and more connectivity options, you may want to consider alternative receivers. Ultimately, your decision should be based on your specific requirements and preferences.

Details:

Its sleek white color adds a stylish touch to any home decor while offering reliable solution for improving safety measures in the living space. The DX by Linear model DXR-702 2-Channel Receiver is a home security device manufactured in China. This receiver is designed to work with two channels for monitoring and enhancing home security systems.

part #: 211745a prices

• $30.00-$76.95

specifications mansesecure:

• brand: Linear
• type: 2-channel Receiver
• color: White
• manufacturer part number: 211745A
• country/region of manufacture: China

seller mansesecure:

• # reviews: 725
• city: Oceanside, California
• rating: 99.1%

shipping mansesecure:

• type: Fixed
• transit: 4-10 Days
• service: Economy
• cost: $6.00
• class: Economy

general mansesecure:

• condition: Open box
• Home Improvement > Home Security > Other Home Security

payments mansesecure:

• other
• credit card: Mastercard
• wallet: Apple-pay

returns mansesecure:

• paid by: Buyer
• time: 30 Days
• method: Money back
• policy: Returns Accepted

offer mansesecure:

• best offers: True
• started: June 27, 2025
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 1

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