{"product_id":"ericsson-radio-4428-b3b-krc-161-721-1-radio-unit","title":"Ericsson Radio 4428 B3B KRC 161 721\/1 Radio Unit","description":"\u003cdiv class=\"auto-hide-last-sibling-br paragraph-pP9ZLC paragraph-element br-paragraph-space\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEricsson Radio 4428 B3B (Internal Part Number: KRC 161 721\/1) – High-Performance Macro Base Station Remote Radio Unit (RRU)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003ch4 class=\"header-iWP5WJ auto-hide-last-sibling-br\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1. Basic Product Information\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul class=\"auto-hide-last-sibling-br\"\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePublic Model\u003c\/strong\u003e: Ericsson Radio 4428 B3B\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eInternal Part Number\u003c\/strong\u003e: KRC 161 721\/1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDevice Category\u003c\/strong\u003e: Macro base station Remote Radio Unit (RRU)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e: Ericsson Radio System Portfolio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCore Positioning\u003c\/strong\u003e: A key radio frequency (RF) component for mobile communication infrastructure, enabling multi-generation network compatibility and large-scale coverage.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"header-iWP5WJ auto-hide-last-sibling-br\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e2. Core Technical Specifications\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul class=\"auto-hide-last-sibling-br\"\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFrequency Band\u003c\/strong\u003e: 3GPP FDD Band 3 (1800MHz, mainstream global coverage band)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCompatible Technologies\u003c\/strong\u003e: GSM, WCDMA, LTE (supports 2G\/3G\/4G multi-mode operation, adaptable to network upgrade needs)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCarrier Capacity\u003c\/strong\u003e: Up to 12 carriers (GSM), 8 carriers (WCDMA), 6 carriers (LTE in MIMO mode)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMIMO Configuration\u003c\/strong\u003e: 4T4R (4 Transmitters, 4 Receivers)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eTransmission Power\u003c\/strong\u003e: 4×40W (high-power output for extended coverage)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAntenna Interface\u003c\/strong\u003e: 4× 4.3-10 (F) ports, supports AISG Tower Mounted Amplifier (TMA) and Remote Electrical Tilt (RET) via RS-485 interface (compatible with 12dB TMA)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e: 2× CPRI interfaces (speeds: 2.5\/4.9\/9.8\/10.1Gbps), replaceable SFP optical modules; fiber-optic connection to baseband units (supports cascaded\/star topology, maximum distance: 40km)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMechanical Design\u003c\/strong\u003e: Weight: 16kg; Volume: 15L; Installation modes: Rail-mounted, wall-mounted, pole-mounted (single-bolt installation for easy deployment)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEnvironmental Adaptability\u003c\/strong\u003e: IP65 protection rating; Operating temperature: -40℃ to +55℃ (supports low-temperature startup at -40℃); Compatible with standard -48V DC base station power supply\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"header-iWP5WJ auto-hide-last-sibling-br\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e3. Core Application Scenarios\u003c\/span\u003e\u003c\/h4\u003e\n\u003cdiv class=\"auto-hide-last-sibling-br paragraph-pP9ZLC paragraph-element br-paragraph-space\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eIdeal for large-scale mobile signal coverage in \u003cstrong\u003eurban, suburban, and semi-urban areas\u003c\/strong\u003e. It integrates seamlessly with Ericsson baseband units (e.g., RBS 6000 series) to form a complete macro base station system, delivering reliable 2G\/3G\/4G connectivity. Its multi-technology compatibility and flexible networking capabilities reduce deployment costs for single-band\/multi-band networks, making it a preferred choice for telecom operators’ infrastructure expansion and network modernization projects.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"auto-hide-last-sibling-br paragraph-pP9ZLC paragraph-element br-paragraph-space\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"auto-hide-last-sibling-br paragraph-pP9ZLC paragraph-element br-paragraph-space\"\u003e\n\u003cdiv class=\"spec-row\" style=\"text-align: start;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eClick on email or WhatsApp. Online customer service.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"spec-row\" style=\"text-align: start;\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\" style=\"text-align: start;\"\u003e\n\u003ch3\u003e\n\u003cspan style=\"background-color: rgb(44, 192, 34); color: rgb(255, 255, 255);\"\u003e  \u003cstrong\u003eOur Services\u003c\/strong\u003e  \u003c\/span\u003e\u003cspan style=\"background-color: rgb(17, 135, 4); color: rgb(0, 0, 0);\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCost-effective equipment\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFaster delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWorldwide shipping\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAlternative supply \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSample service \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eTest and warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFor this model, we have new original, cost-effective compatible, and economical second-hand . We provide you with a variety of choices, the same quality! Each products has been strictly tested to ensure stable performance, worry-free use, and enjoy an efficient experience. Full range of options: new original quality assurance, compatible models are super value and practical, and second-hand are economical and durable. Strict quality control: each products is tested before shipment. Worry-free after-sales: warranty commitment, normal use, and quality problems can be returned or exchanged.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"color: rgb(255, 255, 255); background-color: rgb(44, 192, 34);\"\u003e  \u003cstrong\u003eAbout Us\u003c\/strong\u003e  \u003c\/span\u003e\u003cspan style=\"color: rgb(255, 255, 255); background-color: rgb(17, 135, 4);\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSkyward Telecom also known as Skywardtel, it was established in 2009. From the beginning to the end, we have been based on the\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003emotto of integrity，Our mission is to help engineers and businesses overcome the challenges of acquiring high-quality, low-cost\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ecommunication products.And has provided network security and computer asset management solutions for users in more than 80\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ecountries around the world, and has been recognized by the market.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: rgb(255, 255, 255); background-color: rgb(44, 192, 34);\"\u003e  \u003cstrong\u003eFAQ\u003c\/strong\u003e  \u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cb data-spm-anchor-id=\"a2700.pc-decorate.0.i13.1e6c33339xF4pZ\"\u003e1. who are we?\u003cbr\u003e\u003c\/b\u003eWe are based in Guangdong, China, start from 2009,sell to Northern Europe(10.00%),Western Europe(10.00%),Mid East(10.00%),Eastern Europe(10.00%),South America(10.00%),North America(10.00%),Domestic Market(5.00%),South Asia(5.00%),Southern Europe(5.00%),Oceania(5.00%),Central America(5.00%),Africa(5.00%),Eastern Asia(5.00%),Southeast Asia(5.00%). There are total about 80-100 people in our office.\u003cbr\u003e\u003cbr\u003e\u003cb\u003e2. how can we guarantee quality?\u003cbr\u003e\u003c\/b\u003eAlways a pre-production sample before mass production;\u003cbr\u003eAlways final Inspection before shipment;\u003cbr\u003eAll products are sold only after passing professional technical testing;\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cb\u003e3.what can you buy from us?\u003cbr\u003e\u003c\/b\u003eBrand new, unopened switches, routers, servers, workstations, and other computer peripherals.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBrand new or refurbished equipment and circuit boards.BBU\\RRU.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBrand new or custom-made communication cables (coaxial cables, fiber optic cables, network cables, power cords, AISG cables, etc).\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBrand new or custom-made connectors.SMA connector, BNC connetor, RF connector, etc.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBrand new or custom-made cooling fans\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBase station related accessories.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWeighing controller,Computer software,computer hardware,Weighing transmitter\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cb\u003e4. why should you buy from us not from other suppliers?\u003cbr\u003e\u003c\/b\u003eBest quality！ Lowest price！ Quality assurance, honest transactions! Received high praise from numerous customers！ Leading through\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eexceptional service and creative solutions to help our partners succeed！\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSkyward Telecom establish our foundation on integrity, win trust with professionalism, and warm hearts with service！\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cb data-spm-anchor-id=\"a2700.pc-decorate.0.i14.1e6c33339xF4pZ\"\u003e5. what services can we provide?\u003cbr\u003e\u003c\/b\u003eAccepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,FCA,DDP；\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAccepted Payment Currency:USD,EUR,HKD,GBP,CNY;\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAccepted Payment Type: T\/T,L\/C,D\/P D\/A,MoneyGram,Credit Card,PayPal,Cash;\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eLanguage Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Koren,Hindi,Italian\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\n\u003ch3\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eWelcome to contact us to get super surprising prices!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0699\/4948\/9450\/files\/2a92da302a7a70de912c2269859793f.jpg?v=1764855207\" alt=\"Ericsson Radio 4428 B3B KRC 161 721\/1 Radio Unit\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0699\/4948\/9450\/files\/c3620c303c8e9e252586319a2c1875d.jpg?v=1764855207\" alt=\"Ericsson Radio 4428 B3B KRC 161 721\/1 Radio Unit\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0699\/4948\/9450\/files\/86ae0ecd6cee5b23d317656dd33c4e3_d8070508-f70b-4c62-a9e2-201d4a886525.jpg?v=1764855207\" alt=\"Ericsson Radio 4428 B3B KRC 161 721\/1 Radio Unit\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0699\/4948\/9450\/files\/e15170c92ce7db626684167735b0ed9.jpg?v=1764855207\" alt=\"Ericsson Radio 4428 B3B KRC 161 721\/1 Radio Unit\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Skyward Telecom","offers":[{"title":"Default Title","offer_id":50913534771498,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/4948\/9450\/files\/1_fb19c0a1-a37d-44c8-9d6c-974bd2804344.jpg?v=1764855152","url":"https:\/\/skyward-telecom.com\/de\/products\/ericsson-radio-4428-b3b-krc-161-721-1-radio-unit","provider":"Skyward Telecom","version":"1.0","type":"link"}