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

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

DSP Architecture: Utilises Digital Signal Processing (DSP) for enhanced sensitivity, selectivity, and anti-interference capability.
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).

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.

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.

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.

Here’s what you’ll find included with your Sihuadon R-108 radio: