Bell L Series

Product catalog summary

Introduction
The Spideradio Bell L Series Baseband Unit (BBU) is a component of a high-performance 4G LTE distributed solution, designed for both indoor and outdoor scenarios. It offers high reliability, easy deployment, and flexible configuration, making it a cost-effective solution for enhancing wireless coverage and capacity. The system is compliant with 3GPP Release 12 and supports GNSS synchronization.

Highlights
The Bell L Series BBU features compliance with 3GPP Release 12 standards, an advanced SOC platform, support for CPRI and eCPRI, and O-RAN compliance. It offers lower power consumption, supports LTE FDD/TDD modes, and includes plug-and-play capabilities with SON. The unit can manage up to 3 cells, with a maximum of 1800 online users per cell and 1200 active users per cell. Peak data rates are up to 300Mbps DL and 75Mbps UL for FDD, and 139Mbps DL and 52Mbps UL for TDD.

Technology
The BBU supports LTE-A TDD/FDD with bandwidths ranging from 1.4MHz to 20MHz and modulation schemes from QPSK to 256QAM. It supports multiplexing configurations of 2T2R, 4T4R, and 8T8R, and includes features like intra-/inter-RAT mobility, security, voice, SON, and RAN sharing.

Interface
The unit supports various protocols including IPv4, IPv6, and IPsec. It includes multiple interfaces for backhaul and fronthaul, as well as network management and GNSS antenna connections.

Performance
The BBU offers a deployment range of up to 5 kilometers, latency of 30 milliseconds, and a transmit power range of 0 to 47 dBm. It supports a 9-level QoS and has a mean time between failures (MTBF) of over 150,000 hours.

Features
Key features include Voice over LTE (VoLTE), SON capabilities, mobility management, and robust security measures. It supports local and remote maintenance, performance statistics, and software upgrades.

Physical Specifications
The BBU operates within a temperature range of -5°C to 55°C and can be stored between -40°C and 70°C. It has a typical power consumption of 50 W, weighs less than 6 kg, and is designed for installation in a standard 19-inch cabinet or wall mount.

Model Number
The Bell L3 4G BBU is designed for indoor use with support for 3 cells. Customized versions are available upon request.

Catalog excerpts

The Spideradio Bell L Series Baseband Unit (BBU) is part of a high-performance 4G LTE distributed solution, which consists of one 4G BBU and one or multiple 4G Remote Radio Units (RRUs). The product is built using established technology that provides high reliability, easy deployment, and flexible configuration, making it a low-cost solution to improve wireless coverage range and capacity. It is suitable for various indoor and outdoor scenarios. The Spideradio Bell L Series's software is based on 3GPP Release 12. The product provides the backhaul (through S1 interface) with the core network and the interconnection (through X2 interface) between base stations. It uses optical fiber or photoelectric hybrid cable for the communication with other modules. And it supports Global Navigation Satellite System (GNSS) synchronization. This product has a standard one-year warranty. An extended warranty is available. NOTE: Features can vary based on model or region. • Complies with 3GPP Release 12 standards • Based on advanced SOC platform to provide high performance • Support CPRI and eCPRI • O-RAN compliant • Lower power consumption to reduce OPEX • Supports LTE FDD/TDD mode • Plug&play with SON capabilities • Supports local and remote management • Maximum 3 cells, 1800 online users per cell*, and 1200 active users per cell* • Peak rate (up to): DL 300Mbps, UL 75 Mbps @ 20MHz for FDD 4T4R; DL 139Mbps, UL 52 Mbps @ 20MHz for TDD 4T4R

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