Product Overview
The 698-2700MHz Directional Coupler series is a high-performance passive component specifically engineered for IBS, BTS, and DAS applications. Covering all major 2G/3G/4G/LTE bands, these couplers are designed to sample signals with high precision while maintaining low insertion loss. With an exceptional PIM rating of ≤-150dBc and a robust 200W power rating, they are the ideal solution for reliable signal distribution in modern telecommunications infrastructure.
Technical & Mechanical Specifications
| Model No. | YF-DC-727-150-04 | YF-DC-727-150-06 | YF-DC-727-150-07 | YF-DC-727-150-10 |
|---|---|---|---|---|
| Frequency (MHz) | 698-2700 | |||
| Coupling (dB) | 3 / 4.8 | 6 | 7 | 10 |
| Insertion Loss (dB) | 3.5 / ≤2.85 | ≤1.95 | ≤1.45 | ≤0.8 |
| Accuracy (dB) | ±0.8 | ±0.8 | ±0.8 | ±1.0 |
| Isolation (dB) | 22 / ≥25 | ≥26 | ≥27 | ≥28 |
| VSWR | ≤1.25 | |||
| PIM (dBc) | ≤-150dBc @ 2x43dBm | |||
| Power Rating (W) | 200W (Average) | |||
| Impedance | 50 Ω | |||
| Connector Type | N-Female | |||
| Color | Black | |||
| Operating Temp | -35°C ~ +65°C | |||
| Net Weight | 0.25 kg | |||
| Application | Indoor | |||
| Humidity | 5% - 95% | |||
Frequently Asked Questions
- Q1: What are the primary applications for these directional couplers?
- A: They are essential for In-building Solutions (IBS), Base Transceiver Stations (BTS), and Distributed Antenna Systems (DAS). They allow for precise signal sampling and distribution across 2G, 3G, 4G, and LTE cellular networks.
- Q2: Why is the -150dBc PIM rating critical for DAS deployments?
- A: A Low Passive Intermodulation (≤-150dBc) rating is vital to minimize interference within the system. This ensures high data rates, clear voice quality, and maximum network capacity in multi-operator indoor environments.
- Q3: How does the coupling value affect my system design?
- A: Different coupling values allow engineers to balance signal levels throughout a building. Higher coupling values result in lower insertion loss on the main line, which is useful for long-distance signal runs in a daisy-chain configuration.
- Q4: Can this coupler handle high-power signals?
- A: Yes, it supports an average power of 200W. This high power handling capability makes it suitable for deployment near high-power BTS equipment without the risk of component degradation.
- Q5: What environmental conditions is this product designed for?
- A: Optimized for indoor applications, it features a wide operating temperature range from -35°C to +65°C and supports humidity levels from 5% to 95%, ensuring reliable performance in various building climates.
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