For malahiteam receiver only. Radio not included. The antenna is a narrow band resonant antenna that must be used in conjunction with the impedance input port of the malachite receiver, otherwise it may cause antenna detuning. Easy installation, stable performance and reliability. Frequency range: 4 MHz 24 MHz. Key benefits Compatible with the malachite receiver via the impedance input port to prevent detuning and optimize reception. Simple setup with dependable, stable performance for daily use. Narrow band resonance targeted for the 4 MHz to 24 MHz range to support efficient shortwave reception. Use scenarios Home shortwave listening: connect to the malahiteam receiver's impedance input to receive signals in the 424 MHz band. Field checking: portable setup for outdoor monitoring with the malahiteam receiver, ensuring reliable performance within its operating range. Amateur and international band monitoring: suitable for sessions focused on 424 MHz communications and broadcasts when paired with the appropriate receiver input.