Product Overview & Features
The MNL-2-3-QMA-M is a high-precision RF Termination Load (Dummy Load) designed for stable performance from DC to 3GHz. This 50-ohm termination is ideal for 2G, 3G, 4G, and LTE applications, providing an excellent VSWR of ≤ 1.10. Featuring a quick-locking QMA-male connector, it is an essential component for terminating unused ports in high-density In-building Solutions (IBS) and laboratory testing environments where reliability and low reflection are required.
Technical & Mechanical Specifications
| Parameter Item | Specification Details |
|---|---|
| Model No. | MNL-2-3-QMA-M |
| Frequency Range | DC - 3GHz (3000 MHz) |
| VSWR | ≤ 1.10 |
| Average Power | 2 W |
| Impedance | 50 Ohms |
| Connector Type | QMA-male |
| Application | In-building Solutions, Testing & Measurement |
Frequently Asked Questions (Q&A)
- Q1: What is the primary advantage of the QMA connector on this load?
- A: The QMA connector features a "Snap-on" quick-locking mechanism. It allows for much faster installation than traditional threaded SMA connectors and can rotate 360 degrees after connection, which is ideal for tight spaces in RF racks.
- Q2: Can I use this dummy load for frequencies higher than 3GHz?
- A: This specific model is optimized and tested for performance up to 3GHz. While it may function at higher frequencies, the VSWR may increase beyond the 1.10 specification, potentially affecting measurement accuracy.
- Q3: Why is a VSWR of 1.10 significant for a termination load?
- A: A VSWR of 1.10 indicates that less than 0.23% of the power is reflected back. This ensures that the port is perfectly terminated, protecting sensitive equipment and preventing standing waves that could interfere with signal measurements.
- Q4: Does this 2W load require an external heatsink?
- A: No, at a 2-watt power rating, this load is designed to dissipate heat through its own body under normal operating temperatures. However, ensure there is adequate airflow if used at maximum power for extended periods.
- Q5: Is this product suitable for 5G applications?
- A: It is fully compatible with 5G Sub-3GHz bands. For higher 5G bands (like 3.5GHz or 4.8GHz), we recommend using our wideband models that cover up to 6GHz.
Product Picture
