Product Overview
The MHC-727-21-DF-160 is a specialized 2-in 1-out hybrid coupler designed for high-performance signal combining in IBS and DAS infrastructures. Operating across the 790-2690MHz range, it allows for the efficient merging of two independent signal sources with superior port isolation and minimal interference. Featuring an ultra-low PIM rating of ≤-160dBc, high-power 7/16 DIN connectors, and an IP65 rugged housing, this coupler is an essential component for multi-carrier systems requiring long-term reliability in both indoor and outdoor environments.
Technical & Mechanical Specifications
| Parameter Item | Specification Details |
|---|---|
| Model Number | MHC-727-21-DF-160 |
| Frequency Range | 790-2690 MHz |
| Coupling | ≤ 3.2 ± 0.5 dB |
| Insertion Loss | ≤ 0.5 dB |
| Port Isolation | ≥ 23 dB |
| VSWR | ≤ 1.3 |
| 3rd PIM (dBc @ 2*43dBm) | ≤ -160 dBc |
| Average Power | 150W (Each Port) |
| Nominal Impedance | 50 Ohm |
| Connector Type | 3 * 7/16 DIN-Female |
| Operating Temperature | -35°C to +65°C |
| Environmental Rating | Indoor & Outdoor (IP65) |
| Dimensions | 200 x 200 x 103 mm |
| Relative Humidity | 5%-95% |
Frequently Asked Questions
- Q1: Why is a 2-in 1-out hybrid coupler used instead of a standard power splitter?
- A: Unlike a power splitter, a 2x1 hybrid coupler provides high isolation between the two input ports. This prevents signal reflection and interference between different signal sources (such as two separate base stations), ensuring both transmitters operate safely and efficiently.
- Q2: What does the -160dBc PIM rating mean for my network quality?
- A: A -160dBc PIM rating indicates extremely low passive intermodulation. In high-traffic LTE and 5G networks, low PIM is critical to maintaining a high Signal-to-Noise Ratio (SNR), which directly impacts mobile data speeds and voice call clarity.
- Q3: How much power is actually lost when combining signals through this coupler?
- A: In a 2x1 hybrid coupler, there is an inherent 3dB coupling loss because the power is split between the output port and the internal termination. However, our model features a very low dissipative insertion loss of ≤0.5dB, ensuring maximum signal efficiency beyond the theoretical split loss.
- Q4: Is the DIN-Female connector suitable for high-power applications?
- A: Yes. The 7/16 DIN connector is the industry standard for high-power RF systems. Its large contact surface area provides excellent heat dissipation and stable low-PIM performance, even when handling the 150W average power per port of this device.
- Q5: Can I install this coupler on a rooftop or in a coastal area?
- A: Absolutely. With an IP65 environmental rating and a wide operating temperature range of -35°C to +65°C, this coupler is designed to withstand harsh outdoor conditions, including dust, moisture, and temperature fluctuations.
Mechanical Drawing
Product Detail Images
