Huawei R4850N R4850N1 48V50A DC power rectifier modules Rectifier Convert for Huawei ETP48100 ETP48100-B1 ETP48200

Sandes Technology Ltd.(STL), was established as one of the leading distributor of telecommunication equipments and terminals, and also as one of the most professional solution provider in public security and video surveillance. STL focus on the integration and development of telecommunication infrastructure and solution, and established the strategic cooperative relationship with most of key telecommunication supplier around the world, including Huawei, ZTE, Emerson,CISCO, Juniper, Fiberhome, Legrand, Narada, TP-Link. Our aim is to provide one-top purchasing platform for our customer, with optimal levels of service. After a series of restructuring and resources integration, at present STL has formed three major business sectors: Telecommunication Distribution Telecommunication Engineering, Network Planning and Solution Integration Security Solution 1) Telecommunication Distribution - GPON EPON FTTX Access: provide all series of Huawei,ZTE, Fiberhome OLT,ONU,ONT,MDU; - SDH DWDM PTN Transmission: provide all series of Huawei,ZTE, Fiberhome, SDH DWDM PTN product; - PSTN DSLAM MSAN Fixed-line Access: provide all series of Huawei, ZTE, PSTN DSLAM MSAN product and spare part; - Telecom Power and Batteries: provide all series of Emerson, Huawei, ZTE telecom power supply UPS and Narada Costlight Shoto Leoch Santak Battery; - WLAN WiFi Access: provide all series of Huawei, ZTE WLAN AP AC and integration solution; - IP Datacom: provide all series of CISCO, Huawei, ZTE, Juniper Routher, Switch, Security Gateway, Firewall; - Optical Accessories: provide all series of CISCO, Huawei, ZTE, Juniper optical transceiver, patch cord, optical jumper ODN product; 2) Telecommunication Engineering, Network Planning and Solution Integration - FTTX network plan and ODN network plan & implementation; - Room power supply system design and implementation; - WLAN network design and implementation; - Transmission network design and implementation; - Network Management System (Huawei U2000, ZTE NetNumen); 3) Security Solution - City traffic video surveillance solution; - GSM CDMA WCDMA cell phone interceptor solution; - Vehicle mounted monitor solution; - Internet monitor solution; - WiFi monitor solution; - Secure telecommunication solution; Comparing with Huawei, ZTE, Emerson, we provide the same original high-quality product, but we pay more attention to SME customer and provide better service than original suppliers. We can provide Plenty of Stock, Fast Delivery, Better price, and Original guarantee.