IC-7851

The IC-7851 is a high-end HF/50 MHz transceiver from Icom, designed for amateur radio enthusiasts seeking superior performance for shortwave and high-frequency communications. This transceiver features advanced digital signal processing (DSP) technology, offering exceptional transmit and receive capabilities. It is widely regarded for its clean signal quality, low noise floor, and high sensitivity, making it ideal for DXing, contest operations, and general amateur radio use.

Key Features of IC-7851

1. High-Performance Transceiver

   • Offers exceptional performance across HF (1.8–30 MHz) and 50 MHz bands with excellent transmit and receive characteristics.

2. Digital Signal Processing (DSP)

   • Integrates advanced DSP technology for improved signal clarity and selectivity, enhancing weak signal reception and eliminating unwanted noise.

3. High Dynamic Range (HDR)

   • Features high dynamic range for handling a wide variety of signal levels, making it perfect for both crowded contest environments and quiet band conditions.

4. Advanced Noise Reduction

   • Includes auto-notch filter, digital noise reduction, and notch filter features that significantly reduce unwanted interference and noise, improving audio quality.

5. Large, High-Resolution Display

   • Comes with a large, high-resolution LCD screen that provides clear and detailed information about frequency, signal strength, and other operational parameters.

6. Built-in Antenna Tuner

   • Equipped with an automatic antenna tuner for quick and efficient matching to a wide range of antennas, optimizing performance.

7. Multiple Band Coverage

   • Covers all HF bands and includes the 50 MHz band, making it versatile for both long-distance and local communications.

8. Microphone and Audio Enhancements

   • Features enhanced audio processing for clearer voice transmission, with multiple options for microphone settings and equalization.

9. Easy Operation

   • The intuitive interface and user-friendly controls make the IC-7851 accessible to both new and experienced operators.

Specifications

Applications

1. Amateur Radio (Ham Radio)

   • Ideal for DXing, contest operations, and general communication on HF and 50 MHz bands.

2. Shortwave Listening

   • Perfect for listening to international broadcasts, government transmissions, and other shortwave activity.

3. Emergency Communication

   • Can be used in emergency preparedness for reliable long-range communication in remote areas or during disasters.

4. Public Service Events

   • Excellent for public service communications and supporting community events where reliable and clear communication is essential.

Benefits

1. Outstanding Performance: Delivers clear signal quality, high dynamic range, and low noise for better reception in crowded bands.
2. Advanced DSP: Significantly improves weak signal handling and noise reduction for a cleaner overall signal.
3. Versatile and Wide Coverage: Covers HF and 50 MHz bands, offering flexibility for various modes of communication.
4. User-Friendly Interface: Easy-to-use controls and a large display simplify operation, even for novice operators.
5. Built-in Features: The automatic antenna tuner and noise reduction technologies enhance the overall efficiency and performance without additional equipment.