ZM5304Ax-CME3 - Z-Wave 908MHz Transceiver Module | Silicon Labs
N.º de pieza: ZM5304Ax-CME3 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.8 | $168,00 |
| 100 | $14.95 | $1.495,00 |
| 500 | $13.2 | $6.600,00 |
| 1.000 | $11.95 | $11.950,00 |
ZM5304Ax-CME3 Descripción general
A Z-Wave transceiver module is a pre-certified wireless subsystem that bundles an RF transceiver, a network protocol stack, and a built-in antenna into a single reflow-compatible component. Within the broader taxonomy, the ZM5304 sits as a sub-module category in the RF module family, itself a branch of RF & wireless components for short-range personal-area networking and home-area sub-GHz mesh networking. Modules of this class remove the burden of RF matching, antenna tuning, and regulatory pre-compliance testing from the OEM designer.
Key features include on-board Z-Wave 500-series protocol stack handling MAC/PHY and mesh routing, FCC modular approval under part 15 limits plus pre-scanned CE conformance, deep-sleep current below 50 uA for battery-powered nodes, and a built-in chip antenna that supports a 30-50 m typical in-home range. The exposed pads align with the industry-standard ZM5304 footprint, enabling drop-in upgrade paths from prior Z-Wave 300/400-series modules without board rework.
The ZM5304Ax-CME3 architecture pairs the SD3503 modem SoC with an internal PA, LNA, TCXO and PCB antenna; the modem runs the Z-Wave protocol library via firmware loaded from an external host or optional on-module flash. Internal mesh routing handles up to 232 hops, supporting large multi-story smart-home installations.
Typical applications include Z-Wave smart-home gateways, door/window sensors, smart lighting dimmers, smart locks, and water-leak detectors. The compact surface-mount form factor also serves battery-powered HVAC thermostats and energy-harvesting switch nodes.
When designing with the ZM5304Ax-CME3, observe the keep-out zone underneath and around the chip antenna; place no copper, traces, or ground plane within 5 mm of the antenna pad to avoid detuning. Use a 4-layer or 2-layer board with a continuous ground reference and follow Sigma Designs reference layout AN-2014-007 for best RF yield.
This page synthesizes distributor pricing, drop-in alternative sourcing, and practical RF layout guidance not found on the manufacturer product page, helping engineers accelerate Z-Wave node design and second-source qualification.
Alternativas directas para ZM5304Ax-CME3 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ZM5304Ex-CME3
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ZM5202AU-CME3
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ZM5304AU-CME3
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ZM5304AU-CME3R
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ZM5304Ax-CME3 Especificaciones (publicadas por el fabricante)
| Product Type | Z-Wave Transceiver Module |
| Module Series | ZM5304 (Z-Wave 500-series) |
| Utilized IC / Part | SD3503 |
| Frequency Band | 908 MHz (US/Canada/ANZ) |
| RF Protocol | Z-Wave, ITU-T G.9959 |
| Tensión de alimentación | 2.3 V to 3.6 V |
| Receiver Sensitivity | -103 dBm |
| Serial Interfaces | SPI, UART |
| Antenna | Built-in chip antenna |
| Module Type | Surface Mount (SMT) |
| Regulatory Approvals | FCC Modular Approval, CE pre-scanned |
| Estado RoHS | Compliant |
Interfaces y conectores de ZM5304Ax-CME3
ZM5304Ax-CME3 expone las siguientes interfaces y conectores según lo publicado por el fabricante: Entrada de potencia. El patillaje de la cabecera de expansión, la numeración de pines de los conectores y los límites eléctricos se definen en la documentación del fabricante.
| Entrada de potencia | 2.3 V to 3.6 V |
Consulte la documentación del fabricante para ver el patillaje completo del conector de expansión y la numeración de pines del conector.
Características de potencia y térmicas
| Entrada de potencia | 2.3 V to 3.6 V |
Parámetros de entrada de potencia y térmicos para ZM5304Ax-CME3 según lo publicado por el fabricante.
Aplicaciones típicas
ZM5304Ax-CME3 es adecuado para 6 aplicacións: Z-Wave Smart Home Gateway, Smart Lighting Dimmer, Smart Door Lock, Water Leak / Flood Sensor, Window / Door Sensor, HVAC Smart Thermostat.
Z-Wave Smart Home Gateway
The ZM5304Ax-CME3 is the wireless front-end for a Z-Wave smart-home gateway or hub that bridges local mesh control to cloud services. Its 908 MHz operation matches North American Z-Wave deployments, and the -103 dBm receiver sensitivity ensures reliable two-way communication with battery-powered leaf nodes distributed throughout a multi-story home. The on-module Z-Wave 500-series stack handles mesh routing, AES-128 security, and FLiRS wake-up coordination for door locks and smoke detectors - removing the burden of writing custom MAC/PHY code on the host processor. With FCC modular approval integrated, the host gateway only needs to mount the module and supply a 3.3 V rail plus host SPI bridge, dramatically shortening time-to-market for retrofit or new-build smart-home installations.
Recomendado
Smart Lighting Dimmer
Use the ZM5304Ax-CME3 as the wireless mesh node inside a Z-Wave wall-switch dimmer or in-line smart bulb adapter. The module's sub-1 GHz operation penetrates walls and floors better than 2.4 GHz Wi-Fi, allowing dimmers installed in metal junction boxes to maintain reliable mesh links. Combined with an external TRIAC or MOSFET driver stage and a zero-cross detect circuit, the dimmer responds to Z-Wave SCENE and BASIC SET commands from the central gateway within 100-200 ms. The 2.3 V to 3.6 V supply matches the rectified mains-via-capacitive-drop architecture common in low-cost dimmers, eliminating the need for an extra LDO. Module deep-sleep current under 50 uA keeps standby draw at negligible levels for always-on wall switches.
Recomendado
Smart Door Lock
The ZM5304Ax-CME3 provides the Z-Wave connectivity inside a battery-powered smart deadbolt, where its FLiRS (Frequently Listening Receiver Slave) mode enables the lock to wake within 100 ms of a gateway unlock command while drawing under 1 mA average current from four AA cells. The on-module AES-128 and Z-Wave Security S2 cryptographic layer ensures tamper-resistant transmission of unlock credentials, satisfying banking-grade requirements for IoT door hardware. The integrated chip antenna simplifies mechanical design and avoids the failure modes associated with external whip antennas on door-mounted enclosures. Combined with a host Cortex-M0/M4 and a motor driver stage, the lock supports two-way audit-trail feedback to the user's mobile app.
Recomendado
Water Leak / Flood Sensor
Battery-powered water-leak detectors benefit from the ZM5304Ax-CME3's sub-50 uA deep sleep and Z-Wave notification framework. The module mounts on a 2-layer sensor PCB with two probe traces near the floor; when moisture closes the gap, the host wakes and transmits an ALARM REPORT Z-Wave notification to the home gateway. The 908 MHz sub-GHz link budget delivers reliable communication from basement or laundry-room installations where 2.4 GHz signals struggle. Optimised firmware polling at 5-minute intervals yields a CR123A coin-cell battery life of 3-5 years, exceeding typical industry expectations for residential water-leak sensors.
Recomendado
Window / Door Sensor
The ZM5304Ax-CME3 is the wireless uplink for slim-line surface-mount door/window contact sensors in security installations. Its tiny surface-mount footprint fits inside a CR2-battery-powered plastic housing adhered to the door frame, while the built-in antenna eliminates the external whip antenna that would interfere with the magnetic reed switch assembly. The Z-Wave notification class commands (NOTIFICATION_TYPE_ALARM) are sent immediately when the host detects the reed transition, typically <50 ms after switch closure. Battery life of 3+ years on a single CR2 is achievable in typical residential duty cycles, exceeding expectations for whole-home security deployments.
Recomendado
HVAC Smart Thermostat
Pair the ZM5304Ax-CME3 with a host Cortex-M microcontroller in a Z-Wave smart thermostat, where it provides the mesh uplink for climate control. Its reliable 908 MHz reception at -103 dBm maintains link integrity even when the thermostat is mounted on a brick wall or inside a metal backing plate. The on-module Z-Wave 500-series stack supports thermostat v2 device class with all five operating modes (Off, Heat, Cool, Auto, Fan Only) plus fan state reporting. Combined with a host-side 24 VAC to 3.3 V transformer circuit and an SPI-bridged control panel, the thermostat achieves a time-to-market advantage over custom Z-Wave implementations and remains updatable over the air via the Z-Wave OTA firmware update flow.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ZM5304Ax-CME3 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ZM5304Ex-CME3 | ZM5202AU-CME3 | ZM5304AU-CME3 | ZM5304AU-CME3R |
|---|---|---|---|---|---|
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Package | ZM5304 SMT module | ZM5304 SMT module - same | ZM5304 SMT module - same | ZM5304 SMT module - same | ZM5304 SMT module - same |
| Frequency Band | 908 MHz | 868 MHz (EU) | 908 MHz | 908 MHz | 908 MHz |
| Receiver Sensitivity | -103 dBm | -103 dBm | -103 dBm | -103 dBm | -103 dBm |
| Supply Voltage | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V |
| Utilized IC | SD3503 | SD3503 | SD3503 | SD3503 | SD3503 |
| Antenna Type | Built-in chip | Built-in chip | Built-in chip | Built-in chip | Built-in chip |
| Regulatory Approval | FCC + CE pre-scan | CE + FCC pre-scan | FCC + CE pre-scan | FCC + CE pre-scan | FCC + CE pre-scan |
Diferenciadores clave
- Built-in FCC modular approval (frente a ZM5202AU-CME3)
- 232-node mesh support (frente a ZM5304AU-CME3R)
- Z-Wave Security S2 (frente a ZM5304Ex-CME3)
Notas de diseño
Observe the antenna keep-out zone: maintain a minimum of 5 mm clearance (no copper, traces, ground plane, or components) underneath and around the chip antenna pad to avoid detuning. Place the module near the edge of the host PCB with the antenna facing outward. Reference Sigma Designs application note AN-2014-007 for the complete mechanical clearances and reference stack-up.
Decouple the module supply pin with a 10 uF X5R ceramic plus a 100 nF X7R bypass placed within 2 mm of the supply pad. Peak TX current can reach 70-80 mA; the bulk capacitor prevents supply droop during burst transmissions that would force re-transmissions. For battery-powered designs, verify average current budget with duty cycle modeling - FLiRS or frequently listening receivers stay under 1 mA average.
Do not route SPI/UART signals near the antenna area or parallel to high-frequency digital busses; signal crosstalk from 50 MHz host MCU clocks can degrade receiver sensitivity. Keep all digital I/O traces short and ground-referenced. Also verify the host-side firmware supports Z-Wave 500-series modem handshake - drivers written for the older ZM3102 (300-series) need a stack-library update, otherwise the modem NCP won't initialise.
Información de cumplimiento
FCC Part 15 modular approval plus CE pre-scan per Sigma Designs / Silicon Labs module approval certificate. RoHS compliance per Silicon Labs product declaration.
