Portable Passive HF/VHF Loop Antenna 10kHz–300MHz SDR
Portable Passive HF/VHF Loop Antenna 10kHz–300MHz SDR
Ultra-Portable Passive HF/VHF Loop Antenna – Low-Loss Broadband Reception
Take your radio monitoring to the next level with this Portable Passive HF/VHF Loop Antenna. Engineered for hobbyists, SDR enthusiasts, and field operators, this compact antenna delivers broad frequency coverage from 10 kHz all the way up to 300 MHz — no tuning, no power supply, no fuss. The passive design means zero adjustment is needed; simply connect and start receiving.
Built to strict quality control standards, the antenna features a low-loss broadband T-type balancer with a typical insertion loss of just 0.28 dB, ensuring clean, reliable signal performance across the entire HF and VHF spectrum. The rugged ABS + metal construction keeps it lightweight enough for portable use while maintaining the durability demanded in the field.
Made in Mainland China.
Key Features
- ✅ Passive design – no power required, no tuning needed
- ✅ Wide frequency range – HF: 10 kHz–30 MHz | VHF: up to 300 MHz
- ✅ Ultra-low loss – T-type broadband balancer, typical loss only 0.28 dB
- ✅ Portable & compact – ideal for field use, travel, and portable SDR setups
- ✅ High reliability – stable performance, rigorous build and test standards
- ✅ Ready-to-use cable bundle – includes SMA connectors and coaxial feeders
Full Specifications
| Color | Black + Blue |
| Material | ABS + Metal |
| HF Response | 10 kHz – 30 MHz |
| VHF Response | Up to 300 MHz |
| Max Power | 250 mW |
| Feeder Length | 6 meters (SMA male to male) |
| Typical Balancer Loss | 0.28 dB |
What's in the Box
- 1× T-type broadband balancer
- 1× Inverter
- 2× 1-meter RG402 coaxial cable
- 1× 6-meter RG174 coaxial cable feeder
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Frequently Asked Questions
Q: Does this passive loop antenna require a power source or battery to operate?
A: No — this is a fully passive antenna design. It requires no external power source, battery, or amplifier to function. Simply connect it to your SDR receiver or radio equipment via the included SMA coaxial cables and it's ready to use.
Q: What frequency range does this HF/VHF loop antenna cover?
A: This portable loop antenna covers a wide frequency range: HF from 10 kHz to 30 MHz, and VHF up to 300 MHz, making it highly versatile for shortwave listening, SDR monitoring, amateur radio reception, and more.
Q: What cables and connectors are included with the antenna?
A: The package includes one T-type balancer, one inverter, two 1-meter RG402 coaxial cables, and one 6-meter RG174 coaxial cable feeder with SMA male-to-male connectors — everything you need to set up right out of the box.
Q: Is this antenna suitable for Software Defined Radio (SDR) setups?
A: Yes, this antenna is an excellent choice for SDR (Software Defined Radio) applications. Its broad 10 kHz–300 MHz frequency response, passive design, and low 0.28 dB balancer loss make it well-suited for use with popular SDR dongles and receivers in both indoor and portable outdoor setups.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.