1. Full-band reception: Covers 100kHz-149MHz, supports 1Hz fine-step tuning 2. Multi-mode demodulation: CW/AM/SSB/WFM/stereo FM/I-Q output, meeting professional monitoring needs 3. Real-time spectrum analysis: Adjustable bandwidth of 192kHz/128kHz/64kHz, dynamic display of FFT spectrum and waterfall plot 4. High-precision hardware: TCXO 26MHz ±0.5ppm temperature-compensated crystal oscillator, Taylore mixer achieving ≥50dB sideband rejection 5. Flexible operation: Resistive touchscreen + encoder control, supports 99 channel storage and customizable settings. Display Technology: 4.3-inch IPS 800x480 resolution DC dimming high-brightness LCD Control Method: Resistive touchscreen + rotary encoder Frequency Range: 100k-149MHz Operating Modes: CW, AM, SSB single sideband (LSB/USB), WFM, FM stereo radio (headphones required) Step Frequency: 1Hz/10Hz/100Hz/1kHz/10kHz/100kHz/1MHz/10MHz Spectrum Bandwidth: 192kHz, 128kHz, 64kHz, FFT real-time spectrum display Antenna Interface: BNC male connector, impedance 50Ω, maximum input power -20dBm Reference Crystal Oscillator: TCXO 26MHz ±0.5ppm Audio Interface: Supports standard 3.5mm headphones or CTIA (US standard) headphones Speaker Power: Maximum 3W, 4Ω multimedia speaker Charging Port: USB Type-C, 5.0V/2A Current Consumption: Approx. 250mA @ 5V Battery Capacity: 5000mAh/3.7V, 18.5Wh Usage Time: Approximately 10-12 hours, depending on volume and brightness settings Channel Saving: 99 preset channels, preset station names, frequencies, and demodulation methods Receiver Parameters: RF Preamplifier Gain: Fixed 20dB Circuit Type: Zero Intermediate Frequency (ZIF) Sideband Rejection: ≥50dB (The product printed words may vary depending on the batch, but this does not affect use) Color: Black Material: CNC Al