company blog about Supply ST Long Range Product:LoRaWAN,Sigfox,NB-IoT,6LoWPAN,KNX-RF,Wi-Sun

Supply ST Long Range Product:LoRaWAN,Sigfox,NB-IoT,6LoWPAN,KNX-RF,Wi-Sun

Shenzhen Mingjiada Electronics Co., Ltd. is a renowned distributor of electronic components, offering a wide range of electronic products. We guarantee that all components supplied are sourced through official channels and are of reliable quality. The company consistently adheres to the principle of ‘serving and benefiting our customers’, providing them with high-quality and diverse electronic components.

Supply Advantages

Direct from Manufacturer: All chips are genuine factory-direct products, ensuring customers receive authentic quality and avoiding the risk of counterfeits.

Adequate Stock Levels: Leveraging our robust supply chain management capabilities, we maintain sufficient stock to meet customers’ urgent requirements.

Flexible Procurement Solutions: We support both small-batch samples and large-volume orders, offering highly competitive tiered pricing to meet the needs of customers of all sizes.

Rapid Delivery Capability: Leveraging our domestic warehousing centres and efficient logistics system, we can dispatch goods from our domestic warehouses within 48 hours, significantly shortening our customers’ project timelines.

I. LoRaWAN: Benchmark Technology for Ultra-Long-Range Self-Built Private Networks

LoRaWAN is an open, standardised LPWAN protocol based on the LoRa spread-spectrum physical layer. Standardised by the LoRa Alliance, it is the core technology of ST’s long-range wireless product line, featuring ultra-long communication ranges, ultra-low power consumption and flexible self-built networks, thereby completely resolving the pain points of insufficient coverage and excessive power consumption associated with traditional short-range wireless communications.

ST’s core hardware is the STM32WL series of SoCs, the industry’s first single-chip microcontroller to integrate LoRa RF functionality. It employs a dual-core architecture comprising a 48 MHz Cortex-M4 main controller and an optional Cortex-M0+ RF coprocessor, eliminating the need for additional RF chips and thereby significantly simplifying hardware design whilst reducing overall system costs and power consumption. The chip supports global Sub-GHz free ISM bands, with a reception sensitivity of up to –142 dBm. Communication ranges extend to 3–5 km in urban areas and 10–15 km in open suburban environments, whilst offering exceptional ability to penetrate walls, bypass obstacles and resist interference.

Key technical advantages: utilises adaptive modulation with variable spreading factors (SF7–SF12) to automatically balance transmission rate and communication range according to environmental interference; supports secure transmission via AES-128 encryption, with a triple-encryption mechanism for terminals, gateways and servers, ensuring high data transmission security; supports an ultra-low-power sleep mode for terminals, enabling a battery life of 5–10 years; Flexible network deployment allows enterprises to independently set up private networks without relying on operator networks, and with no subsequent data charges.

Typical application scenarios: Industrial equipment condition monitoring, meteorological monitoring in remote environments, reservoir water level monitoring, asset tracking in industrial parks, agricultural IoT, and sensor data collection for underground pipeline networks—all in remote scenarios without operator coverage that require long-term, maintenance-free operation.

II. Sigfox: Ultra-narrowband, minimalist, low-power IoT technology

Sigfox is a lightweight LPWAN technology based on ultra-narrowband (UNB) modulation. It is a minimalist IoT communication solution characterised by extremely low power consumption, ultra-low cost and massive device connectivity. Designed specifically for IoT scenarios involving small data volumes and infrequent uploads, Sigfox differs from LoRaWAN’s private network model in that it relies on the deployment of global operators’ public networks.

ST’s STM32WL series of chips natively supports the Sigfox protocol and is compatible with Sigfox frequency band specifications across all regions globally. The chip’s RF architecture is optimised for ultra-narrowband signal reception, with a reception sensitivity of up to –138 dBm, providing excellent weak signal capture capability. Compared to other wireless technologies, the Sigfox protocol stack is minimalistic, consumes very few hardware resources, and requires no complex network configuration.

Core technical advantages: extremely narrow transmission bandwidth, strong resistance to interference, minimal spectrum occupancy, and the ability of a single base station to support hundreds of thousands of connected devices; terminal power consumption is among the best in the industry, with extremely low energy consumption per data upload, enabling several years of battery life on a single button cell; low hardware costs, making it suitable for the mass production of low-cost IoT devices.

Technical limitations: Uplink and downlink bandwidths are extremely narrow, supporting only byte-level data uploads; it is unable to transmit large volumes of data. There are currently no commercial networks operated by domestic carriers; whilst it can be deployed in certain overseas regions, network service fees apply, resulting in limited autonomy and control.

Typical application scenarios: tracking of low-value assets, basic temperature monitoring in cold chains, status reporting from smart bins, parcel tracking in logistics, and ultra-low-frequency environmental data collection.

III. NB-IoT: Public Network IoT Technology with Full Coverage by Mobile Network Operators

NB-IoT is a licensed-band LPWAN standard based on 4G/5G cellular networks. As a carrier-grade public network IoT technology, it relies on the deployment of existing mobile communication base stations and is the most widely implemented public network long-range communication technology for IoT in China, characterised by comprehensive coverage, plug-and-play functionality and high stability.

ST provides comprehensive chips and solutions for NB-IoT applications. By combining mainstream low-power STM32 MCUs with compliant NB-IoT RF modules, these solutions support full-band coverage across China’s three major mobile network operators, are compatible with 3GPP standardised protocols, support eSIM encrypted authentication, and offer carrier-grade communication reliability. Devices do not require the construction of dedicated gateways; they can connect to the national cellular network as soon as they are powered on, completely eliminating network deployment costs.

Core technical advantages: Leveraging operator base stations to achieve comprehensive, gap-free coverage across urban areas, rural areas and underground spaces; utilising licensed frequency bands, it avoids ISM band interference issues, offering superior communication stability and real-time performance compared to non-public network technologies; supports massive concurrent terminal connections with strong network scalability; supports low-power sleep modes to meet the long battery life requirements of IoT terminals.

Technical Limitations: Relies on mobile network signals and cannot be used in areas without base stations; requires regular payment of IoT SIM card fees, resulting in higher long-term operational and maintenance costs compared to self-built private networks; power consumption is slightly better than traditional 4G but inferior to pure LPWAN technologies such as LoRaWAN and Sigfox.

Typical Application Scenarios: Remote meter reading for smart water, electricity and gas; smart urban fire safety; smart parking; bike-sharing; remote monitoring of municipal equipment; and large-scale deployment of IoT terminals nationwide.

IV. 6LoWPAN: Lightweight, Low-Power IPv6 Networking Technology

6LoWPAN is a lightweight IPv6 wireless communication protocol based on the IEEE 802.15.4 standard, designed specifically for embedded IoT devices with low bandwidth, low power consumption and limited processing power. Its core value lies in enabling micro-IoT devices to connect directly to IPv6 networks, facilitating end-to-end IP communication between terminals and the cloud.

Several of ST’s low-power STM32 MCUs natively support the 6LoWPAN protocol stack, featuring optimisations such as packet compression and fragment reassembly. This addresses the challenges associated with the IPv6 protocol stack—namely its large size, high power consumption and unsuitability for micro-devices—enabling stable operation on embedded devices with limited processing power and memory. This technology supports both star and mesh network topologies, catering to both short-range interconnection and medium-range coverage, and is well-suited to the networking requirements of IP-based IoT.

Key technical advantages: Enables direct IPv6 connectivity for IoT endpoints without the need for gateway protocol conversion, resulting in a simple network architecture and convenient cloud-based management; based on the standard IEEE 802.15.4 physical layer, it offers exceptional compatibility and can interface with all major types of IoT devices; the lightweight protocol stack features low power consumption and minimal resource usage, making it suitable for embedded endpoints; supports multi-node mesh networking with high network fault tolerance.

Technical limitations: The communication range per node is shorter than that of Sub-GHz LPWAN technologies; bandwidth is limited, making it suitable only for small-data IP networking scenarios.

Typical application scenarios: Interconnection of smart home devices, small-scale industrial sensor networks, monitoring of in-building equipment, and clusters of low-power, IP-enabled IoT terminals.

V. KNX-RF: Specialised Wireless Communication Technology for Building Automation

KNX-RF is a wireless radio frequency protocol based on the international KNX building bus standard. As a specialised wireless technology for the building automation sector, it replaces traditional wired KNX bus systems, addressing the issues of complex building cabling and the difficulty of retrofitting. It serves as the standardised core technology for smart building and smart home automation.

ST provides dedicated RF solutions for KNX-RF building applications. The chips comply with the KNX Alliance’s standard protocol, support Sub-GHz wireless communication, and offer strong resistance to interference, making them suitable for complex indoor environments with wall obstructions whilst ensuring stable and reliable communication. The solution is compatible with traditional wired KNX systems, enabling hybrid wired-wireless networking, and is suitable for both retrofitting existing buildings and new construction projects.

Key technical advantages: A standardised protocol exclusive to the building industry, offering exceptional device interoperability; KNX devices from different brands can interact seamlessly; high communication stability, resistance to indoor electromagnetic interference, and suitability for long-term, uninterrupted operation; low-power design, suitable for battery-powered building sensors and switches; support for networked coordination, enabling integrated automated control of lighting, curtains, air conditioning and security equipment.

Technical limitations: Highly industry-specific, limited to building automation scenarios; low adaptability to general IoT applications; communication range is primarily short to medium distances indoors.

Typical application scenarios: High-end smart home systems, building automation in commercial office blocks, smart electrical control in hotels, coordinated operation of building equipment in smart campuses, and wireless smart retrofitting of older buildings.

VI. Wi-Sun: Large-Scale Industrial-Grade Mesh Networking Technology

Wi-Sun (Wireless Smart Utility Network) is an industrial-grade, low-power, wide-area mesh networking technology based on the IEEE 802.15.4g standard. Standardisation is led by the Wi-SUN Alliance, with a focus on large-scale, long-range, highly reliable and self-healing mesh networks. Originally designed specifically for smart grids, it is now widely used in large-scale industrial and municipal IoT scenarios.

ST’s STM32WL series of chips natively supports the Wi-Sun protocol and is one of the few general-purpose RF MCUs compatible with multiple networking protocols. Adapted to Wi-Sun’s large-scale multi-hop mesh networking mechanism, it supports automatic node onboarding, link self-healing and dynamic route switching. A single network can support thousands of end nodes, with a coverage range far exceeding that of conventional wireless networking technologies.

Key technical advantages: Industrial-grade communication reliability; support for multi-hop relay networking; long-range, wide-area coverage with no communication dead zones; strong network self-healing capabilities, ensuring that the failure of a single node does not affect overall network operation; low-power design suitable for unattended operation in long-term industrial scenarios; standardised protocols ensuring strong device interoperability, making it suitable for large-scale network deployment.

Technical limitations: The protocol stack is complex, making network configuration and debugging more challenging than with standard LPWAN technologies; it is suited to large-scale cluster scenarios, whilst offering poor value for money in small, single-point applications.

Typical application scenarios: Smart grid meter reading, cluster control of municipal street lighting, large-scale sensor networks in industrial sites, smart urban water management, and monitoring of large-scale photovoltaic power stations.