KCM0A5S - Wi-SUN FAN 1.1 Sub-GHz Mesh Module | Quectel
N.º da peça: KCM0A5S ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
KCM0A5S Visão geral
Wi-SUN (Wireless Smart Utility Network) is an IPv6-based low-power wide-area mesh networking standard defined by the Wi-SUN Alliance under IEEE 802.15.4g. Unlike star-topology LPWAN technologies, Wi-SUN forms self-healing mesh networks in which each node can relay traffic for its neighbors, extending coverage over large areas such as utility districts and city grids while remaining tolerant of individual node failures.
The KCM0A5S implements Wi-SUN FAN 1.1, adding features over FAN 1.0 such as enhanced security, expanded device classes, and improved network scalability. Adaptive frequency hopping provides strong resistance to interference in congested unlicensed sub-GHz spectrum, while the mesh architecture delivers high network capacity and long-range transmission for dense IoT deployments.
Optimized for battery-powered operation, the module combines the low-power EFR32FG25 radio SoC with Quectel firmware supporting the full Wi-SUN FAN 1.1 protocol stack, letting developers integrate mesh connectivity through a serial host interface without implementing the RF stack themselves. The Cortex-M33 core also provides headroom for application-level processing and AES-128-CCM security operations required by the Wi-SUN specification.
Typical applications include smart electricity, water, and gas metering, smart street lighting, precision agriculture, industrial IoT sensor networks, and smart-city infrastructure. Long battery life, multi-year mesh stability, and 470 MHz to 928 MHz regional band coverage make the module well suited to deployments lasting a decade or more.
Designers should verify the regional frequency variant (470 MHz China band vs 902-928 MHz FCC band) before board layout, and reserve antenna clearance since the antenna is not included on module variants. Supply rails of 3.45 V to 5.5 V allow direct connection to lithium primary cells or 5 V logic supplies.
This page synthesizes verified distributor data, the official Quectel specification, Wi-SUN Alliance certification listing, and practical design guidance not found in the manufacturer datasheet.
Alternativas drop-in para KCM0A5S — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
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Solicitar alternativasKCM0A5S Especificações (publicadas pelo fabricante)
| Wireless Standard | Wi-SUN FAN 1.1 (IEEE 802.15.4g) |
| Frequency Range | 470 MHz to 928 MHz |
| DigiKey Variant Band (KCM0A5SACMD-0L-02) | 902 MHz to 928 MHz |
| Networking Topology | IPv6 wireless mesh with adaptive frequency hopping |
| Processor | ARM Cortex-M33, up to 97.5 MHz |
| Radio SoC | Silicon Labs EFR32FG25 sub-GHz wireless MCU |
| RAM | 256 KB |
| Flash | 2 MB |
| Tensão de alimentação | 3.45 V to 5.5 V |
| Temperatura de operação | -40C to +85C |
| Package / Form Factor | LCC, 22 x 28 mm, SMD |
| Antenna | Antenna not included (external) |
| Tipo de montagem | Surface Mount (SMT) |
| Security | Wi-SUN FAN 1.1 enhanced security |
| Certification | Wi-SUN Alliance certified (listing WSA476) |
| Target Applications | Smart metering (electricity/water/gas), smart lighting, smart cities |
| Status RoHS | RoHS compliant (per JLCPCB listing) |
| Evaluation Kit | KCM0A5SABTB-0L-2 evaluation board |
Interfaces e Conectores do KCM0A5S
KCM0A5S expõe as seguintes interfaces e conectores conforme publicado pelo fabricante: Sem fios, Entrada de Potência. A pinagem do header de expansão, a numeração dos pinos do conector e os limites elétricos estão definidos na documentação do fabricante.
| Sem fios | Wi-SUN FAN 1.1 (IEEE 802.15.4g) |
| Entrada de Potência | 3.45 V to 5.5 V |
Consulte a documentação do fabricante para a pinagem completa do conector de expansão e a numeração dos pinos do conector.
Características de potência e térmicas
| Entrada de Potência | 3.45 V to 5.5 V |
| Temperatura de Funcionamento | -40C to +85C |
Parâmetros de entrada de potência e térmicos para KCM0A5S, conforme publicados pelo fabricante.
Aplicações típicas
KCM0A5S é adequado para 6 aplicaçãos: Smart Electricity Metering, Smart Street Lighting, Water and Gas Utility Metering, Smart City Infrastructure Networks, Precision Agriculture, Industrial IoT Monitoring.
Smart Electricity Metering
The KCM0A5S was explicitly designed for smart metering per Quectel's specification, which lists electricity, water, and gas meters as primary use cases. Its Wi-SUN FAN 1.1 IPv6 mesh lets every meter relay neighbor traffic, so dense residential deployments gain coverage automatically as meters are installed, without dedicated repeaters. Adaptive frequency hopping over the 470 MHz to 928 MHz sub-GHz band maintains link reliability in crowded RF environments such as apartment complexes. The Silicon Labs EFR32FG25 core with 256 KB RAM and 2 MB Flash runs the mesh stack plus metering application logic concurrently, while the 3.45 V to 5.5 V supply range accepts battery or mains-derived rails directly. Utility-grade Wi-SUN security protects meter data end-to-end.
Recomendado
Smart Street Lighting
Street-lighting controllers are ideal Wi-SUN router nodes because they are mains-powered and mounted high, giving the KCM0A5S excellent line-of-sight propagation across a city grid. Quectel's positioning material and CNX Software's June 2025 review both name street lighting as a target application. The module's 470 MHz to 928 MHz coverage lets the same hardware design serve Chinese (470 MHz) and FCC (902-928 MHz) markets by selecting the correct suffix variant. Its IPv6 mesh self-heals when individual luminaires fail or are switched off, and adaptive frequency hopping coexists with other unlicensed-band traffic. The -40C to +85C operating range withstands pole-mounted thermal extremes in both hot climates and freezing winters.
Recomendado
Water and Gas Utility Metering
Battery-powered water and gas meters benefit directly from the KCM0A5S's low-power sub-GHz radio and mesh relaying. Quectel's specification highlights that the module is 'designed for battery-powered applications', and the efficient EFR32FG25 radio minimizes transmit energy for meter-report traffic. Because buried or pit-mounted meters often lack direct line of sight, the Wi-SUN mesh routes reports through neighboring meters or streetlight-mounted routers, extending effective range far beyond a single hop. The 256 KB RAM / 2 MB Flash configuration stores firmware, security keys, and reporting schedules locally, and the Wi-SUN FAN 1.1 enhanced security suite protects billing data. The 22 x 28 mm LCC footprint fits standard meter-PCB module cavities.
Recomendado
Smart City Infrastructure Networks
City-scale deployments - environmental sensors, parking sensors, waste-level monitors, and traffic assets - converge naturally on Wi-SUN because a single utility-grade mesh can carry traffic from thousands of heterogeneous endpoints. The KCM0A5S's IPv6 addressing gives each sensor a routable identity that integrates with city IT backends through a Wi-SUN border router. Per Quectel's product page, the module delivers high capacity, long-range transmission, and enhanced security across large mesh networks, which matches multi-thousand-node city requirements. Adaptive frequency hopping in the 470 MHz to 928 MHz range keeps the network stable as unlicensed-band congestion grows, and Wi-SUN Alliance certification (listing WSA476) ensures multi-vendor interoperability for long-term procurement flexibility.
Recomendado
Precision Agriculture
CNX Software's June 2025 coverage identifies precision agriculture as a key KCM0A5S application, where soil-moisture probes, weather stations, and irrigation valves are scattered across fields with no fixed infrastructure. The module's long-range sub-GHz propagation at 470 MHz to 928 MHz penetrates crop canopies better than 2.4 GHz radios, and the self-forming IPv6 mesh extends coverage hop-by-hop as nodes are added, requiring only one mains- or solar-powered backhaul point per field cluster. Battery operation is practical because the EFR32FG25-based design targets low-energy duty cycling, and the -40C to +85C temperature range covers outdoor enclosures. Firmware-level Wi-SUN security protects irrigation-control commands from spoofing across the open field environment.
Recomendado
Industrial IoT Monitoring
Industrial plants and utility substations benefit from the KCM0A5S's strong anti-interference design: adaptive frequency hopping continuously avoids channels occupied by motors, welders, and switching supplies, which is exactly the interference profile Quectel cites as a module strength. The Wi-SUN mesh bridges monitoring points across large facilities where Ethernet or Wi-Fi cabling is impractical, and each mains-powered node strengthens the network. The ARM Cortex-M33 core at up to 97.5 MHz handles local sensor processing - vibration statistics, temperature trending - before transmission, reducing backhaul traffic. The industrial -40C to +85C rating and 3.45 V to 5.5 V supply range simplify integration into existing 5 V control panels, and IPv6 addressing maps cleanly onto plant asset-management systems.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para KCM0A5S — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto |
|---|---|
| Package | LCC 22 x 28 mm SMD |
| Brand | Quectel |
| Wireless Protocol | Wi-SUN FAN 1.1 (IEEE 802.15.4g) |
| Frequency Range | 470 MHz to 928 MHz |
| Processor | ARM Cortex-M33 @ 97.5 MHz |
| RAM / Flash | 256 KB / 2 MB |
| Supply Voltage | 3.45 V to 5.5 V |
| Operating Temperature | -40C to +85C |
Principais diferenciais
- Certified Wi-SUN FAN 1.1 stack preloaded (vs Generic IEEE 802.15.4 sub-GHz modules)
- Integrated Cortex-M33 application headroom (vs Radio-only sub-GHz modules)
- Wide 470-928 MHz regional coverage from one platform (vs Single-band sub-GHz modules)
Notas de projeto
The KCM0A5S is supplied without an antenna, so the host PCB owns the RF path. Reserve the 22 x 28 mm castellated LCC land pattern per Quectel's hardware design guide, keep the antenna feed as a controlled 50-ohm microstrip with a solid, unbroken ground reference, and place the antenna in a cleared corner of the board away from ground pours and metal enclosures. Validate matching and radiated performance with the KCM0A5SABTB-0L-2 evaluation board before committing to production tooling.
The module accepts 3.45 V to 5.5 V, so it can run directly from a 5 V panel rail or lithium primary cells without a regulator. Provide local decoupling (for example 10 uF bulk plus 100 nF ceramic close to the supply pins) because Wi-SUN transmit bursts create pulsed current demand that can sag a long supply trace. For battery endpoints, verify the cell's pulse-discharge curve against transmit current; verify exact peak current in the Quectel specification before sizing the battery, as the verified data does not list transmit current figures.
The KCM0A5S is a preliminary-specification product (spec V1.0.0 Preliminary dated March 26, 2025). Two pitfalls: first, regional suffix codes matter - the DigiKey-listed KCM0A5SACMD-0L-02 covers only 902 MHz to 928 MHz, while the family supports 470 MHz to 928 MHz, so ordering the wrong suffix breaks regional certification. Second, mesh network role assignment affects battery life; router nodes relay neighbor traffic and deplete cells much faster than leaf nodes. Confirm the released (non-preliminary) datasheet before mass production.
Informações de conformidade
JLCPCB part listing (C9900295029) marks the KCM0A5S as ROHS. Other compliance attributes are not stated in the verified data.
