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- Ericsson Radio 4428 B3B KRC 161 721/1 Radio Unit
1. Basic Product Information
- Public Model: Ericsson Radio 4428 B3B
- Internal Part Number: KRC 161 721/1
- Device Category: Macro base station Remote Radio Unit (RRU)
- Product Series: Ericsson Radio System Portfolio
- Core Positioning: A key radio frequency (RF) component for mobile communication infrastructure, enabling multi-generation network compatibility and large-scale coverage.
2. Core Technical Specifications
- Frequency Band: 3GPP FDD Band 3 (1800MHz, mainstream global coverage band)
- Compatible Technologies: GSM, WCDMA, LTE (supports 2G/3G/4G multi-mode operation, adaptable to network upgrade needs)
- Carrier Capacity: Up to 12 carriers (GSM), 8 carriers (WCDMA), 6 carriers (LTE in MIMO mode)
- MIMO Configuration: 4T4R (4 Transmitters, 4 Receivers)
- Transmission Power: 4×40W (high-power output for extended coverage)
- Antenna Interface: 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)
- Connectivity: 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)
- Mechanical Design: Weight: 16kg; Volume: 15L; Installation modes: Rail-mounted, wall-mounted, pole-mounted (single-bolt installation for easy deployment)
- Environmental Adaptability: IP65 protection rating; Operating temperature: -40℃ to +55℃ (supports low-temperature startup at -40℃); Compatible with standard -48V DC base station power supply
3. Core Application Scenarios
Our Services
-
Cost-effective equipment
- Faster delivery
- Worldwide shipping
- Alternative supply
- Sample service
- Test and warranty
For 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.
About Us
Skyward Telecom also known as Skywardtel, it was established in 2009. From the beginning to the end, we have been based on the
motto of integrity，Our mission is to help engineers and businesses overcome the challenges of acquiring high-quality, low-cost
communication products.And has provided network security and computer asset management solutions for users in more than 80
countries around the world, and has been recognized by the market.
FAQ
1. who are we?
We 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.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
All products are sold only after passing professional technical testing;
Brand new, unopened switches, routers, servers, workstations, and other computer peripherals.
Brand new or refurbished equipment and circuit boards.BBU\RRU.
Brand new or custom-made communication cables (coaxial cables, fiber optic cables, network cables, power cords, AISG cables, etc).
Brand new or custom-made connectors.SMA connector, BNC connetor, RF connector, etc.
Brand new or custom-made cooling fans
Base station related accessories.
Weighing controller,Computer software,computer hardware,Weighing transmitter
4. why should you buy from us not from other suppliers?
Best quality！ Lowest price！ Quality assurance, honest transactions! Received high praise from numerous customers！ Leading through
exceptional service and creative solutions to help our partners succeed！
Skyward Telecom establish our foundation on integrity, win trust with professionalism, and warm hearts with service！
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,FCA,DDP；
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Koren,Hindi,Italian
Welcome to contact us to get super surprising prices!
