Sihuadon R-108

Description

The Sihuadon R-108 is a compact, multi-band radio receiver, featuring comprehensive spectrum coverage and advanced digital signal processing.

Frequency Coverage & Modes

• Full Spectrum Reception:
  • FM: 64-108 MHz (selectable sub-bands for Russia, Japan, EU/USA, e.g., 87.5-108 MHz)
  • MW (AM): 520-1710 kHz (selectable 9/10 kHz steps)
  • LW (Longwave): 150-450 kHz
  • SW (Shortwave): 1711-29999 kHz
  • AIR (Aircraft Band): 118-137 MHz
• Demodulation: Supports AM and FM (Stereo via headphones).

Signal Processing & Control

• DSP Architecture: Utilises Digital Signal Processing (DSP) for enhanced sensitivity, selectivity, and anti-interference capability.
• Audio Enhancement: Features selectable “Music” or “Voice” tone modes.
• AM/SW Bandwidth Control: Offers multiple selectable bandwidths (e.g., 1, 2, 3, 4, 6 kHz) for optimal reception in varying interference environments.
• Squelch (SQ): Variable squelch control for noise suppression across all bands.
• Display Metrics: Shows Signal Strength and Signal-to-Noise Ratio (SNR).

Tuning & Memory

• Flexible Tuning: Supports Automatic Tuning Storage (ATS), manual memory recall, and direct frequency entry via keypad.
• High Capacity Memory: Stores a total of 500 station presets, with 100 dedicated to each band (FM, MW, LW, SW, AIR).
• Tuning Speeds: Offers fast, slow, and stop tuning speeds via a multi-function knob.

User Interface & Power

• High-Visibility Display: Features a backlit LCD providing frequency, time, alarm time, temperature, and battery level.
• Integrated Clock & Alarm: Includes a real-time clock with alarm functionality (wake by radio or buzzer) and a configurable sleep timer.
• Key Lock: Keypad lock function to prevent accidental operation.
• Temperature Display: Shows the current ambient temperature.
• Power Source: Powered by a rechargeable BL-5C lithium-ion battery (included).
• Charging: Charges via USB-C port (USB cable included).
• Audio Output: Built-in speaker (Output: 1W) and 3.5mm stereo headphone jack.

Physical & Connectivity

• Antenna System: Utilises a 360-degree rotatable telescopic antenna for FM/SW/AIR and an integrated ferrite rod antenna for AM/LW.
• External Antenna Port: A 3.5mm jack for connecting an external wire antenna to enhance FM/SW reception.
• Compact Form Factor: Highly portable design (approx. 128 x 76 x 31 mm) with a lightweight build (approx. 210g without battery) and includes a flip-out stand.

What’s in the Box

• Sihuadon R-108 Radio × 1
• USB C Charging Cable × 1
• BL-5C Lithium Battery × 1
• User Manual × 1