Product Overview
This professional-grade Triple Band Combiner is an essential component for multi-operator and multi-frequency co-siting. It efficiently combines 698-960MHz, 1710-2170MHz, and 2300-2700MHz bands into a single feeder system. With a modular double-unit design, it features an ultra-low PIM rating of -155dBc and exceptional isolation (≥55dB), ensuring maximum throughput and minimal interference for both indoor and outdoor wireless infrastructure.
Electrical Specifications
| Parameter | Specifications |
| Band 1 Frequency Range | 698-960 MHz |
| Band 2 Frequency Range | 1710-2170 MHz |
| Band 3 Frequency Range | 2300-2700 MHz |
| Insertion Loss (Band 1) | ≤ 0.2 dB |
| Insertion Loss (Band 2 & 3) | ≤ 0.4 dB |
| Isolation (between ports) | ≥ 55 dB |
| Return Loss (All Ports) | ＞ 20 dB |
| Power Handling | 300 W per port |
| PIM (@ 2x20W) | ≤ -155 dBc |
| PIM (@ 2x43dBm) | ≤ -153 dBc |
| DC Pass | 3 A |
| Impedance | 50 Ω |
Mechanical & Environmental Specifications
| Connector Type | DIN-Type Female (7/16 DIN) |
| Dimensions (LxWxH) | 168 * 146 * 105 mm |
| Weight | 4.30 kg |
| Waterproof Rating | IP65 |
| Operating Temperature | 0 to +55 ºC |
| Operating Humidity | 0 - 95% |
| Mounting Option | Pole or Wall Mount |
| Color | Grey (Customizable) |
Frequently Asked Questions
- Q1: How does this combiner handle multiple frequency bands simultaneously?
- A: The Triple Band Combiner uses high-rejection filters to multiplex three distinct frequency bands (698-960MHz, 1710-2170MHz, and 2300-2700MHz) onto a common port. This allows operators to use a single antenna and feeder cable for multiple services, reducing equipment footprint.
- Q2: What is the significance of the 55dB isolation rating?
- A: Isolation of ≥ 55 dB is critical to prevent the high-power transmit signal of one band from leaking into the receiver or transmitter of another band. This high isolation ensures stable operation and prevents cross-band interference.
- Q3: Can the DC Pass feature be used for AISG or TMA power?
- A: Yes, it supports DC Pass (up to 3A), which allows power and control signals to travel from the base station to tower-top devices like Tower Mounted Amplifiers (TMA) or AISG-enabled antennas through the RF feeder line.
- Q4: Is the IP65 rating sufficient for extreme outdoor environments?
- A: An IP65 rating provides full protection against dust ingress and protects the device against water jets from any direction. This makes the combiner highly reliable for permanent outdoor installation in varied weather conditions.
- Q5: Why is PIM measured at both 2x20W and 2x43dBm?
- A: Measuring PIM (Passive Intermodulation) at different power levels (≤-155dBc @ 2x20W and ≤-153dBc @ 2x43dBm) provides a more comprehensive picture of the device's signal integrity under different operating loads, ensuring optimal performance for modern high-speed data networks.
Mechanical Drawing
Product Detail Images
