Product Description
The MN-FP-F7D-OD1 is a high-performance RF Low Pass Filter designed for the 758-775MHz frequency range. This N-type Cavity Filter is specifically engineered to extract useful signals while providing massive rejection of 85dBc at 777-786MHz. Built to withstand harsh environments with an IP67 waterproof rating, it is a critical component for large data acquisition systems used in public security, fire fighting, and emergency response communication industries.
Technical & Mechanical Specifications
| Model No. | MN-FP-F7D-OD1 | |
| Electrical Parameters | Specification | |
| Frequency Range | 758 - 775 MHz | |
| Insertion Loss | ≤ 4.5 dB Max | |
| Return Loss | ≥ 18 dB | |
| Rejection | 85 dBc @ 777-786 MHz | |
| Power Handling | 50 W | |
| Impedance | 50 Ω | |
| Mechanical & Environmental | Values | |
| Connector Type | N-Female | |
| Waterproof Grade | IP67 | |
| Operating Temperature | -20°C to +65°C | |
| Relative Humidity | 5% - 95% | |
| Dimensions | 300 * 117 * 57 mm (exclude connector) | |
| Packing | 1 Pce in box | |
Frequently Asked Questions
- Q1: Why is the 85dBc rejection at 777-786MHz so critical for this filter?
- The steep 85dBc rejection ensures that out-of-band noise and interference from neighboring frequencies (like the 777-786MHz block) are effectively eliminated. This allows the system to extract useful signals with extreme precision, which is vital for public security and emergency communication systems.
- Q2: What makes this N-type Cavity Filter suitable for outdoor deployment?
- The device features an IP67 waterproof grade, meaning it is fully protected against dust ingress and can withstand temporary immersion in water. Combined with a wide operating temperature range, it is perfectly suited for outdoor emergency systems and large data acquisition setups.
- Q3: How does the compact and low-weight design benefit field applications?
- Despite its high power handling and rejection capabilities, the compact and low weight profile of the MN-FP-F7D-OD1 makes it easy to transport and install in mobile command centers or portable emergency towers. It offers high reliability without adding significant bulk to the communication infrastructure.
- Q4: Is this filter compatible with modern 4G/LTE cellular bands?
- Yes, it supports 2G/3G/4G/LTE coverage within its operating frequency. Its high return loss (≥18dB) ensures that the signal reflected back to the transmitter is minimized, maintaining the health and efficiency of the overall IBS BTS DAS network.
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