Hamgeek Blue Donut SW Antenna Mini Loop 4MHz-24MHz
Available for Pre-Order
This product is currently available at our warehouse in Fuhai, Shenzhen, PRC and is not stocked at our Kolkata facility.
Upon order confirmation, we will arrange sourcing and shipment through our global fulfillment network.
Estimated Delivery: Within 2 Weeks
Reserve your unit today by placing a pre-order.
Hamgeek Blue Donut SW Antenna Mini Loop 4MHz-24MHz
HamGeek Blue Donut SW Antenna Mini Loop 4MHz-24MHz
The HamGeek Blue Donut SW Antenna is a compact passive mini loop antenna designed to enhance shortwave reception from 4 MHz to 24 MHz. Utilizing a resonant loop design optimized for portable receivers and SDR applications, it provides improved reception of shortwave broadcasts and HF signals while maintaining an extremely lightweight and travel-friendly form factor. Its compact PCB construction and direct SMA connection make it ideal for portable listening stations and field monitoring applications.
Key Features
- Passive resonant mini loop antenna for shortwave reception
- Optimized frequency coverage from 4 MHz to 24 MHz
- Designed specifically for HF and shortwave listening applications
- Compact donut-style PCB loop construction
- Lightweight portable design for travel and field use
- Suitable for SDR receivers and portable shortwave radios
- SMA male connector for direct receiver connection
- No external power source required
- Plug-and-play installation with compatible receivers
- Narrow-band resonant loop design for improved signal pickup
- Compatible with Malachite DSP receivers and similar SDR platforms
- Compact footprint ideal for limited-space operation
- Durable PCB construction for long service life
- Portable solution for outdoor listening sessions
- Convenient antenna upgrade for compact HF receivers
- Can be used in temporary, portable, or travel monitoring setups
- Improves reception compared to built-in telescopic antennas in many applications
- Suitable for broadcast shortwave and utility signal monitoring
- Requires minimal installation space
- Easy storage and transportation
- Ideal companion antenna for portable DSP receivers
- Optimized for receive-only applications
- Simple integration with SMA-equipped receivers
- Suitable for hobbyists, SWLs, and radio monitoring enthusiasts
- Compact design minimizes packing space for field operations
Typical Uses
- Shortwave listening (SWL)
- Portable HF monitoring
- Software Defined Radio (SDR) applications
- Travel and field listening stations
- Broadcast shortwave reception
- Utility signal monitoring
- Portable DSP receiver enhancement
In the Box
- HamGeek Blue Donut SW Mini Loop Antenna
- Integrated SMA connector assembly
- User documentation (if supplied by vendor)
| Brand | HamGeek |
| Model Number | Blue Donut SW |
| Product Type | Passive Mini Loop Receiving Antenna |
| Antenna Type | Resonant PCB Loop Antenna |
| Frequency Coverage | 4MHz-24MHz |
| Operation | Receive Only |
| Design | Passive Narrow-Band Resonant Loop |
| Connector Type | SMA Male |
| Construction | PCB Loop |
| Power Requirement | None |
| Installation Type | Direct Receiver Connection |
| Application | Shortwave Reception |
| Compatibility | SDR Receivers |
| Compatibility | Portable DSP Receivers |
| Portability | Compact Travel Design |
| Size | 125 x 100 mm |
12 Months of Warranty against Manufacturing Defects Only
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