B1+B3+B8 Hexaplexer
the B1+B3+B8 Hexaplexer is a mission-critical RF component used in mobile infrastructure to consolidate multiple frequency bands into a single antenna system. Specifically, it combines Band 1 (2100 MHz), Band 3 (1800 MHz), and Band 8 (900 MHz) into one output, allowing a cell site to transmit and receive all three bands simultaneously over a single feeder cable.
Description
Description
B1+B3+B8 Hexaplexer
Description of B1+B3+B8 Hexaplexer
The B1+B3+B8 Hexaplexer is a mission-critical passive RF component used in telecommunications to consolidate three of the most widely used mobile frequency bands—Band 1 (2100 MHz), Band 3 (1800 MHz), and Band 8 (900 MHz)—into a shared antenna system.
| Item | Band8-Rx | Band8-Tx | Band3-Rx | Band3-Tx | Band1-Rx | Band1-Tx |
| Frequency(MHz) | 890-915 | 935-960 | 1710-1760 | 1805-1855 | 1920-1980 | 2110-2170 |
| Bandwidth(MHz) | 25 | 25 | 50 | 50 | 60 | 60 |
| Insertion loss | ≤1.5dB | ≤1.5dB | ≤1.5dB | ≤1.5dB | ≤1.2dB | ≤1.0dB |
| In-Band Ripple | ≤1.0dB | ≤1.0dB | ≤1.0dB | ≤1.0dB | ≤0.6dB | ≤0.5dB |
| Intersection suppression(MHz) | ≥45dB @925 | ≥45dB @1782.5 | ≥45dB @2045 | |||
| ≥45@1887.5 | ≥45@1887.5 | |||||
| Isolation（dB） | ≥80@935-960 | ≥80@890-915 | ≥80@1805-1855 | ≥80@1710-1760 | ≥80@2110-2170 | ≥80@1920-1980 |
| ≥90@1710-1880MHz | ≥90@1710-1880MHz | ≥90@890-960MHz | ||||
| ≥90@1920-2170MHz | ≥90@1920-2170MHz | ≥90@1710-1855MHz | ||||
| VSWR | ≤1.25 | |||||
| Input power (W) | 50W/per port (average power) | |||||
| color | Black | |||||
| Operation temperature | -20°C to +65°C | |||||
| Storage temperature | -40°C to +85°C | |||||
| Relative humidity | 5% – 95% | |||||
| Connectors | SMA-F | |||||
| Dimension, mm | 255*123*47 | |||||
What is a B1+B3+B8 Hexaplexer?
The B1+B3+B8 Hexaplexer is an advanced multiplexer consisting of six internal filter branches. In modern 5G and LTE deployments, “Hexaplexer” typically refers to a Twin-Triplexer configuration housed in a single chassis. This allows for the simultaneous management of two separate signal paths (such as +45° and -45° polarizations) for each of the three frequency bands.
What Does B1+B3+B8 Hexaplexer Do?
- Feeder & Antenna Sharing: It allows three different radio units (RRUs) to share a single dual-polarized antenna. This process, known as co-siting, significantly reduces “tower loading” (weight and wind resistance) and lowers site rental costs.
- Frequency Isolation: Since these bands operate at different frequencies, the hexaplexer uses high-Q cavity filters to ensure signals do not “leak” between ports. It provides high isolation (typically >50 dB), protecting sensitive radio receivers from being damaged or desensitized by high-power transmitters in adjacent bands.
- Signal Integrity: It is engineered with extremely low Insertion Loss (typically <0.5 dB), ensuring that maximum radio power reaches the antenna to maintain the widest possible coverage footprint.
- PIM Mitigation: In 2026 networks, where 5G data speeds are paramount, these units are designed for Low Passive Intermodulation (PIM), typically rated at -161 dBc. This prevents the creation of internal interference that would otherwise slow down data throughput.
Typical Application for B1+B3+B8 Hexaplexer
Mobile operators use this product to deploy a “triple-layer” coverage strategy:
- Band 8 (900 MHz): Provides the “Coverage Layer” for deep indoor penetration and rural reach.
- Band 3 (1800 MHz): Serves as the “Capacity Layer” for high-speed 4G and 5G services.
- Band 1 (2100 MHz): Adds a “Data Boost Layer” to handle high-traffic urban demands.
By utilizing a B1/B3/B8 hexaplexer, an operator can provide all three service layers through a single set of cables, making it an essential tool for 5G site modernization.
Description
Technical information
