ZDKG 3MHz-30MHz 100W 1-to-3 Shortwave Antenna Automatic Switch with M-type Connector (Domestic Microcontroller)

Features:
- Adopting domestically produced microcontroller with high cost-effectiveness.
- Convenient Automatic Switching: Eliminates the need for frequent manual antenna switching; automatically matches the appropriate antenna interface based on RF for frequency, improving efficiency.
- Wide Application: Compatible with single, dual, and triple antenna applications, meeting diverse needs.
- Comprehensive Safety Protection: Built-in VSWR protection mechanism with clearly defined power handling limits (≤100W) to prevent overload damage.
- Clear Parameter Display: Equipped with a display screen that shows real-time power values, VSWR values, interface for frequency band settings, and currently connected interfaces, providing a clear overview of the operating state.
- Stable and Reliable Connection: Employs for M-type connectors with isolation ≥45dB and insertion loss ≤0.3dB, stable transmission and reducing loss.

Specifications:
- Frequency Range: 3M - 30MHz
- Power Handling Capacity: Max. 100W
- Minimum Input Power: ≥20W
- Measurement Accuracy: Power ±10%, SWR ±10%
- Impedance: 50Ω
- Insertion Loss: ≤0.3dB
- Voltage Standing Wave Ratio (VSWR): ≤1.2
- Isolation: ≥45dB
- Connector: Type M (M Connector / SO-239)
- Built-in Protection: 50Ω (Protection time limit ≤5 seconds)
- Power Supply: DC 9-15V, 500mA

Package Included:
- 1 x Antenna Switch