High-Resistance Amplifier Kit & Donut AM MW/SW Mini Loop Antenna for HFDY Malahiteam DSP/DSP2 HF Middle Wave Receiver

Product Specifications:

• Input Impedance: 1 Megaohm (1MΩ)
• Output Impedance: 50 Ohms (50Ω)
• Gain: 0dB
• Bandwidth: 180MHz
• Power Supply Voltage: 5V
• Built-in Battery Capacity: 800mAH
• Charging Current: 600mA
• Operating Time: More than 24 hours
• Dimensions: 50x45x18mm

Key Features:

1. Impedance Matching: This high-resistance amplifier serves as an impedance conversion device, effectively aligning higher antenna impedances with a standard 50-ohm output. This alignment optimizes signal reception and minimizes energy loss from impedance mismatches.
2. Wide Compatibility: Compatible with a range of radio receivers, SDRs, transceivers, and more, such as PeaCock, Mini Loop, HackRF One, and Donut antennas. It boosts the performance of your receiving equipment by enhancing energy capture from input antennas.
3. Direct Connection to LC Resonant Antennas: The amplifier can be directly connected to LC resonant antennas, including loop antennas like the Donut antenna and magnetic bar antennas, offering higher gain and selective frequency characteristics by extracting energy directly from these resonant antennas.
4. Long Operating Time: With an 800mAH built-in battery, this amplifier supports an extended operating time of over 24 hours, allowing for uninterrupted use during lengthy listening sessions or fieldwork.
5. Compact and Portable: The amplifier's compact size (50x45x18mm) ensures portability and ease of integration into your radio setup, making it an ideal companion for outdoor enthusiasts and radio hobbyists.

Package Includes:

• 1x High Impedance Amplifier
• 1x Donut Short Wave
• 1x Donut Medium Wave