Dummy Load LD-200F-OMH DC-6000 MHz
The Low-Intermodulation High-Power Terminal dummy Load is the key RF device in radio frequency (RF) and microwave communication systems. The device is designed to efficiently absorb high-power RF energy within transmission lines, stabilize input impedance to prevent signal reflection, and simultaneously suppress intermodulation interference (PIM). It serves as the key supporting device for wireless network optimization, In-Building Distribution Systems (IBS), Base Transceiver Stations (BTS), Distributed Antenna Systems (DAS), and Antenna Feeder Systems (AFS).
Product Description
- Frequency covers DC-6000 MHz
- High power capacity
- Low PIM
- Suitable for indoor and outdoor applications
- Specifications
- Outline Drawing
- Applications
- Recommended Products
Specifications
Specifications
Frequency range |
DC-6000 MHz |
VSWR |
≤1.3 |
Inter-modulation IM3 |
≤-160dBc REV (2x43 dBm) |
Power capacity |
200 W |
Impedance |
50Ω |
RF Connector Type |
4.3-10 F or 4.3-10 M |
Net Weight |
≤2.7kg |
Dimensions (exclude connectors) |
200x170x64 mm /7.87x6.69x2.52 inch |
Operating temperature |
-35℃ to +75℃ |
Relative humidity |
≤95% |
Color |
Black or Custom |
RoHS |
Comply with RoHS |
Ingress protection |
IP65 |
Outline Drawing

Applications
Low Intermodulation High-Power terminal dummy load Product Description:
As a core passive device in RF/microwave systems, the Low Intermodulation High-Power terminal dummy load is designed to efficiently absorb high-power RF energy within transmission lines, stabilize input impedance to prevent signal reflection, and simultaneously suppress intermodulation interference (PIM). This ensures signal integrity and operational safety of the system. In multi-carrier, high-power operating scenarios, it achieves effective power dissipation through precise impedance matching, protecting downstream components from excess power damage. Furthermore, its low intermodulation design minimizes the generation of spurious signals, providing reliable support for system commissioning, calibration, and daily operation.
The Low Intermodulation High-Power terminal dummy load features the following:
1. Ultra-Low Intermodulation Performance
·Utilizing selected low-intermodulation materials and a combined design of precision coaxial cables, it achieves third-order intermodulation distortion (IM3) as low as -160 dBc, with certain models reaching -165 dBc. This effectively eliminates spurious interference from multi-signal superposition, ensuring signal purity in complex environments.
2. High Power Handling & Stable Thermal Management
· Power handling covers 100–300 W continuous output, with peak power capabilities reaching several kilowatts. It incorporates metal wire-wound posts, layered winding forms, and heat dissipation fin structures, significantly improving heat transfer efficiency.
3. Broadband Compatibility & Reliable Connectivity
· Frequency coverage spans 0–6 GHz, compatible with multi-standard signals such as 5G and LTE. Standard connectors include N-type, 4.3-10, and 7/16-DIN per industry standards. It provides precise 50Ω impedance matching, with a VSWR ≤ 1.25, high mechanical strength, and vibration resistance, making it suitable for demanding operating environments.
4. Ease of Installation & Maintenance
· Compact design, small size, and lightweight for easy installation and deployment.
Application Scenarios:
1. Mobile Communications
Serves as a key supporting component for wireless network optimization, In-Building Distribution Systems (IBS), Base Transceiver Stations (BTS), Distributed Antenna Systems (DAS), and Antenna Feeder System (AFS). Used in RF link debugging and base station power calibration to ensure stable signal coverage and call quality.
2. Test & Measurement
Provides accurate termination loads for laboratory RF equipment and signal generators, facilitating high-precision testing tasks such as PIM calibration and power detection, thereby ensuring measurement data accuracy.
3. Public Safety & Private Network Communications
Compatible with high-power communication systems in sectors such as public security, railways, and subways. Withstands harsh environments to ensure uninterrupted operation of emergency communication links.
4. IoT & 5G Communications
Its high reliability and low-interference characteristics meet stringent high-power signal processing requirements, making it an essential core component for various high-precision RF systems.
