1. omni-directional coverage: loop shape antenna design tends to make it has better omni-directional radiation characteristics, that is, in the horizontal plane in all directions of the signal transmission or reception is relatively uniform, suitable for broadcasting and multi-directional communication needs.
2. Wideband working ability: these antennas tend to cover a wide frequency range, including both medium wave (MF, Medium Frequency) and short wave (HF, High Frequency) bands, suitable for receiving or transmitting signals in multiple frequency bands.
3. Space efficiency: Due to its unique loop design, the donut antenna occupies less space than traditional long wire antennas, making it easy to be installed and deployed in space-constrained environments.
4. Easy Installation and Adjustment: Most designs are easy for users to install by themselves, and some models may provide tunable elements that allow users to adjust the operating frequency as needed to optimize reception or transmission.
5. Multi-functional use: compact, easy to carry, with variable capacitor tuning function to improve signal reception, ideal for use with malachite receivers.
Blue color: SW shortwave antenna
Frequency range: 4MHz-24MHz
Interface: SMA with pin connector
Dimension: L110*W100*H20mm
Frequency Range: 500kHz-2000kHz
Interface: SMA with pin connector
Size: L110*W100*H20mm
This set of circular antenna of medium wave ring (red) and short wave ring (blue) is narrowband high resistance resonant antenna (Hi-Z), therefore, when connecting with malachite receiver, the medium wave and short wave rings should be connected to the high resistance antenna input of malachite (Hi-Z), connecting it wrongly will result in the impedance mismatch of the antenna, which will cause the antenna detuned and can't work.
Donut short and medium wave antenna kit, one each short and medium wave, small loop antenna, loop antenna, mini loop, radio antenna, tuning loop. This antenna is narrowband high resistance resonant antenna, need to be used with malachite receiver high resistance input port, otherwise it will cause the antenna detuned can not work!
Frequency: 10k-180MHz
Connector: SMA male connector (internal needle and internal screw thread)
Size: L110*W100*H12mm
1 x Module
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