ALLOYSEED SI4732 All-Band Portable Radio AM FM SW HF VHF

ALLOYSEED SI4732 All-Band Pocket Radio — AM, FM, LSB, USB, HF, SW, MW & VHF

Meet the ultimate compact radio for hobbyists, travelers, and shortwave enthusiasts. The ALLOYSEED SI4732 Mini Pocket Radio packs an impressive frequency range of 0.5–108 MHz into a palm-sized device — covering AM, FM, LSB, USB, HF, SW, MW, and VHF bands. Whether you're tuning into local broadcasts, international shortwave stations, or amateur radio SSB transmissions, this all-band receiver delivers crystal-clear audio wherever you go.

Made in Mainland China.

Why You'll Love This Pocket Radio

• All-Band Reception: Covers LW/MW/SW (150 kHz – 30 MHz) and VHF (64–108 MHz) — FM, AM, LSB, and USB modes in one device. Never miss a station again.
• SI4732 DSP Chip + ESP-32-S3 Controller: Advanced digital signal processing delivers sharp, clear audio across all bands with minimal noise and interference.
• Crisp 1.9-Inch IPS Display (170×320): High-resolution color screen is easy to read even in bright outdoor conditions, with adjustable backlight brightness for day and night use.
• 800 mAh Built-In Battery: Enjoy 10+ hours of continuous listening on a single charge via the Type-C USB port (standard charging; fast charging not supported).
• Independent Headphone Amplifier Circuit: The dedicated headphone amp delivers noticeably higher volume and audio fidelity through your 3.5mm earphones compared to older versions.
• Bandwidth Adjustment: Fine-tune your listening with customizable bandwidth settings for optimal reception in crowded or noisy frequency environments.
• Firmware Upgradeable: Keep your radio current with new features and improvements via firmware updates.
• Ultra-Compact Form Factor: At just 73 × 32 × 12 mm (approx. 2.87 × 1.26 × 0.47 inches), it slips easily into a pocket, bag, or backpack.
• SMA Antenna Connector: SMA-KE (inner hole) antenna interface for easy attachment of external antennas to boost reception.
• Built-In 1W Speaker: Clear, room-filling sound even without headphones.

Full Specifications

What's in the Box

• 1 × ALLOYSEED SI4732 Mini Pocket Radio
• 1 × Antenna
• 1 × USB Charging Cable
• 1 × Instruction Manual

Helpful Resources

For more information on radio frequency regulations and amateur radio resources, visit the FCC (Federal Communications Commission). For general consumer electronics guidance and product safety, see the U.S. Consumer Product Safety Commission (CPSC).

Please Note: Due to varying monitor settings and lighting conditions, the actual color of the item may differ slightly from product images. Please allow a 1–2 cm variance in measurements due to manual measuring.

Frequently Asked Questions

Q: What radio bands and modes does the ALLOYSEED SI4732 portable radio support?

A: The ALLOYSEED SI4732 all-band radio supports FM, AM, LSB (Lower Sideband), and USB (Upper Sideband) modes. It covers LW/MW/SW frequencies from 150 kHz to 30 MHz, plus VHF from 64 to 108 MHz. Please note it does not support the aviation band.

Q: How long does the battery last, and how is the radio charged?

A: The built-in 800 mAh battery provides over 10 hours of continuous listening. It charges via the Type-C USB port included. Note that fast charging is not supported — use a standard 5V charger for best results.

Q: Can I connect external headphones or an external antenna?

A: Yes! The SI4732 pocket radio features a 3.5mm stereo headphone jack with a dedicated independent headphone amplifier for improved volume and clarity. It also has an SMA-KE (inner hole) antenna connector, so you can attach compatible external antennas to enhance reception on shortwave and other bands.

Q: Is the firmware on this radio upgradeable?

A: Yes. The SI4732 mini radio supports firmware upgrades, allowing you to add new features and improvements over time, including brightness and bandwidth adjustment options that were introduced in this upgraded V3S hardware revision.