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A: We have a professional test team and test platform. We will perform functional tests before delivery and provide a day warranty. Is there after-sales service? A: We provide a day warranty. If there is any quality problem in the product during the period, it will be returned unconditionally. Delivery time? Sales of new, used and refurbished communication network equipment We have the largest inventory of used telecommunications equipment, including Huawei, ZTE, Ericsson, Alcatel-Lucent, Bonfire and Nortel.
Provide fixed line and wireless hardware spare parts to global operators. Asset Management Recycling Asset Recovery We offer true end-to-end framework solutions that include asset cleanup, evaluation, processing, storage and resale to leverage critical value compliance through asset tracking, audit trails and the environment. We work with you to create an asset recovery program that meets your requirements and maximizes the reuse, resale and recycling value of your legacy and remaining equipment.
View larger image. Hot sale in. Product Details. Company Profile. Quick Details. Dimensions and Weight. Power consumption. The OBSAI interfaces on both system modules can be used for radio connections in case of concurrent operation of several radio technologies. It has capability to distribute the 48 VDC power for up to 4 radios and one auxiliary device. The number of the external alarm inputs can be increased to 24 using optional Flexi alarm extension module FSEB.
The radios have also External alarm and control interfaces for Feederless or distributed site applications. RRH has 2 alarm inputs and RFM 4 alarm inputs and 4 control outputs that are compatible with the system module alarm interface. And a Q 1 interface for managing legacy Nokia Siemens Networks equipment. RF module Functions Each branch consists of a transmitter, two receiver chains, and front end software tunable filters STu.
FXxx is a 3 U high module with an integrated, replaceable 3 -fan assembly for module cooling. It consists of two individual branches designed to transmit and receive Multicarrier signals of multiple radio technologies concurrently.
Each branch contains the transmitter and receiver chains and the front end filters. Each branch contains one receiver chain in the RRH. The front end filters are fixed filters covering the whole band. A contains integrated antenna line supervision. RRH uses natural convection cooling, i. There is a common baseband part for. There can be several radios simultaneously in a BTS configuration and they can be of different frequency band. The radios can be both 3 -sector radio modules and remote radio heads.
The radios can be used in dedicated or in concurrent mode. The connection can be used for synchronization only as well as for user and control data. The system modules are interconnected using RP 3 The system modules within a BTS configuration are co located. If there are two system modules this means that the radio technologies have dedicated radios in use.