RAK3172-T-9-SM-I - LoRaWAN 9 LoRa Module | RAK3172 WisDuo LPWAN
N.º de pieza: RAK3172-T-9-SM-I ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $7.73 | $7,73 |
| 10 | $7.1 | $71,00 |
| 100 | $6.55 | $655,00 |
| 500 | $6.05 | $3.025,00 |
| 1.000 | $5.6 | $5.600,00 |
RAK3172-T-9-SM-I Descripción general
A LoRa module (LoRaWAN transceiver) is a radio-frequency sub-system that implements the physical layer of the LoRaWAN low-power wide-area networking protocol defined by the LoRa Alliance. Within a wireless IoT node hierarchy, a LoRa module sits below the sensor/MCU logic, above the antenna matching network, and is governed by class-A/B/C MAC behavior for uplink/downlink scheduling on sub-GHz ISM frequencies in unlicensed bands.
Key features of the RAK3172-T-9-SM-I include ultra-low-power sleep current suitable for battery-operated nodes, integrated ARM Cortex-M4 application core inside the STM32WLE5, native LoRaWAN 1.0.3 Class A/B/C firmware compatibility, and an SPI/UART/I2C host interface for external sensor integration. The IPEX MHF4 antenna connector simplifies field-replacement antenna selection and supports external high-gain antennas.
The architecture combines STMicroelectronics' STM32WLE5 SoC with an on-board TCXO and RF matching network; this delivers improved frequency stability across temperature and reduced phase noise compared with XTAL-only designs. Internal DC-DC and LDO regulation allow the module to operate directly from 2 V to 3.6 V sources including single-cell Li-SoCl2 primary batteries.
Typical applications include long-range battery-powered IoT sensors, agricultural and environmental telemetry nodes, smart-metering AMR/AMI endpoints, asset tracking, and industrial SCADA wireless extensions. Engineers choose the RAK3172 family for design-reuse compatibility across global LoRaWAN regional bands (8/EU868, 9/US915, AS923) via the trailing band code in the ordering scheme.
When designing with this module, ensure the host PCB reserves a clearance keep-out beneath the IPEX connector, and verify host-MCU UART logic levels are 3.3 V tolerant. Sleep-mode firmware configuration (STM32WL STOP2/STANDBY) is required to meet the uA-class standby current claims needed for multi-year battery life.
This page synthesizes distributor stock, regional band ordering variants, and practical design notes that the manufacturer datasheet alone does not compile in a single view.
Alternativas directas para RAK3172-T-9-SM-I — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con RAK3172-T-9-SM-I (mismo factor de forma y huella) — difiere en Operating Temperature, Supply Voltage, Modulation, Package / Mounting, Host Interfaces.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
RAK3172-9-SM-I
✅ Sustitución directa✓ En stock
$5.55 / unidad
Ver hoja de datos →RAK3172-9-SM-NI
✅ Sustitución directa✓ En stock
$5.4 / unidad
Ver hoja de datos →RAK3172-T-8-SM-I
✅ Sustitución directa✓ En stock
$6.25 / unidad
Ver hoja de datos →RAK3172-TE-9-SM-I
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
RAK3272-SiP-9-SM-I
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
RAK3172-T-9-SM-I Especificaciones (publicadas por el fabricante)
| Module Series | RAK3172 WisDuo LPWAN |
| Ordering Suffix | -T-9-SM-I (T grade, 9 band, surface-mount, with IPEX) |
| Chipset (SoC) | STMicroelectronics STM32WLE5CCU6 |
| LoRaWAN Specification | LoRaWAN 1.0.3, Class A / B / C |
| Modulation | LoRa, FSK |
| Frequency Band | 9 band - 902 MHz to 928 MHz (US915 / AU915 / AS923) |
| Tensión de alimentación | 2 V to 3.6 V DC |
| Transmit Current | 87 mA (continuous) |
| Receive Current | 5.22 mA |
| Temperatura de funcionamiento | -40 C to +85 C |
| Range (line of sight) | Up to 15 km |
| Host Interfaces | UART, SPI, I2C |
| Antenna Connector | IPEX MHF4 (I-SM-I suffix) |
| Module Footprint | SMD 15.5 x 15 mm castellated pads |
| Tipo de montaje | Surface Mount, castellated edge pads |
| Estado RoHS | Compliant |
Interfaces y conectores de RAK3172-T-9-SM-I
RAK3172-T-9-SM-I 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 V to 3.6 V DC |
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 V to 3.6 V DC |
| Temperatura de funcionamiento | -40 C to +85 C |
Parámetros de entrada de potencia y térmicos para RAK3172-T-9-SM-I según lo publicado por el fabricante.
Aplicaciones típicas
RAK3172-T-9-SM-I es adecuado para 6 aplicacións: Battery-Powered IoT Sensor Nodes, Smart Metering and AMR / AMI Endpoints, Agricultural and Environmental Telemetry, Asset Tracking and Logistics Telematics, Industrial Wireless SCADA Extensions, Smart City Lighting and Parking Sensors.
Battery-Powered IoT Sensor Nodes
The RAK3172-T-9-SM-I's 5.22 mA receive current and sub-uA standby figures make it a strong fit for battery-powered IoT sensor nodes on the US915/AU915/AS923 bands. The integrated STM32WLE5CCU6 lets a host MCU delegate RF timing and LoRaWAN MAC state machine to the module, while waking only briefly to push sensor samples via UART. In a remote agricultural soil-moisture monitor, the module transmits one SF11 packet every 15 minutes from a 2.4 Ah primary cell, achieving multi-year battery life. Designers should pair the module with a low-quiescent 3.3 V LDO and add a TVS diode on the antenna feed for surge protection in outdoor installations.
Recomendado
Smart Metering and AMR / AMI Endpoints
Utility metering infrastructure benefits from the RAK3172-T-9-SM-I's 15 km line-of-sight range and Class B/C LoRaWAN support for downlink firmware updates and on-demand reads. The 9-band variant directly maps to US915 FCC Part 15 limits at 902-928 MHz and AU915 compliance rules for meter deployment. Placed behind a meter pulse counter or behind an M-Bus / Modbus host, the module forwards encrypted payloads via AES-128 LoRaWAN session keys; integrated TCXO improves frequency stability versus ambient-temperature XTAL-only modules, reducing base-station gate-way dropouts in cold-weather deployments.
Recomendado
Agricultural and Environmental Telemetry
The RAK3172-T-9-SM-I is well matched to outdoor agricultural telemetry where sensors must operate for years on battery across -40 C to +85 C ambient swings. Its STM32WLE5 sleep current of a few micro-amps preserves battery budget during night-time standby, while the IPEX MHF4 connector permits a high-gain fiberglass antenna for line-of-sight reach across crop fields. Paired with soil-Moisture, temperature, and PAR sensors, a single RAK3172 node can cover 50-100 acres when placed on a 5 m pole. Note: use conformal coating on the module to survive humidity and condensation in tropical deployments.
Recomendado
Asset Tracking and Logistics Telematics
Mobile asset-tracking deployments on US915 / AU915 / AS923 networks favor the RAK3172-T-9-SM-I for its 5.22 mA receive and 87 mA continuous transmit profiles. When combined with a GPS receiver or BLE companion over UART, the module forwards geolocation packets over LoRaWAN at intervals defined by motion-state logic. Slower LoRa spreading factors (SF10-SF12) trade airtime for link margin in container-tracking scenarios where line-of-sight to the gateway is intermittent. Trade-off: high SF11/SF12 packets consume more airtime and battery, so designers should use SF7-SF9 for fixed-route fleet tracking and reserve SF12 only for sparse low-rate updates.
Recomendado
Industrial Wireless SCADA Extensions
For Industrial Wireless SCADA extensions on unlicensed sub-GHz ISM bands, the RAK3172-T-9-SM-I offers transparent UART bridging to LoRaWAN, allowing legacy Modbus RTU devices to be deployed where running cable is impractical. Class C support provides always-on downlink for remote PLC command execution, while the AES-128 LoRaWAN session layer provides security equivalent to many SCADA VPNs. The module's -40 C to +85 C operating range and IPEX connector support external high-gain antennas on factory rooftops, extending the gateway's effective coverage. This is comparable in function to industrial cellular modems but at a fraction of the recurring cost.
Recomendado
Smart City Lighting and Parking Sensors
Municipal smart-city pilots deploy RAK3172-T-9-SM-I nodes for street-light monitoring and parking-occupancy sensing on the 902-928 MHz band. The module's 87 mA peak current and sub-1 mA standby enable solar-powered pole-top installations without trenching power wiring. With SF9 spreading and an SF rate-limited cadence, a single LoRaWAN frame per 5 minutes sustains reliable uplink even through dense urban canyon attenuation. Using the IPEX antenna variant with a low-profile fiberglass whip preserves visual aesthetics on heritage street furniture while delivering 5-6 dBi gain.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para RAK3172-T-9-SM-I — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | RAK3172-9-SM-I | RAK3172-9-SM-NI | RAK3172-T-8-SM-I | RAK3172-TE-9-SM-I | RAK3272-SiP-9-SM-I |
|---|---|---|---|---|---|---|
| Package | 15.5 x 15 mm castellated SMD (RAK3172) | 15.5 x 15 mm castellated SMD - same | 15.5 x 15 mm castellated SMD - same | 15.5 x 15 mm castellated SMD - same | 15.5 x 15 mm castellated SMD - same | WisBlock Core SiP - different footprint |
| Brand | RAKwireless | RAKwireless (same-brand) | RAKwireless (same-brand) | RAKwireless (same-brand) | RAKwireless (same-brand) | RAKwireless (same-brand) |
| Frequency Band | 902-928 MHz (US915/AU915/AS923) | 902-928 MHz (9 band) | 902-928 MHz (9 band) | 863-870 MHz (8 band, EU868) | 902-928 MHz (9 band) | 902-928 MHz (9 band) |
| Antenna Connector | IPEX MHF4 (I suffix) | IPEX MHF4 | RF solder pad (no IPEX) | IPEX MHF4 | IPEX MHF4 | IPEX MHF4 |
| Supply Voltage | 2.0 - 3.6 V | 2.0 - 3.6 V (same) | 2.0 - 3.6 V (same) | 2.0 - 3.6 V (same) | 2.0 - 3.6 V (same) | 2.0 - 3.6 V (same) |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C (same) | -40 C to +85 C (same) | -40 C to +85 C (same) | -40 C to +85 C (extended grade) | -40 C to +85 C (same) |
| Chipset | STM32WLE5CCU6 | STM32WLE5CCU6 (same) | STM32WLE5CCU6 (same) | STM32WLE5CCU6 (same) | STM32WLE5CCU6 (same) | STM32WLE5 system-in-package |
Diferenciadores clave
- STM32WLE5 integrated SoC reduces BOM (frente a RAK3272-SiP-9-SM-I)
- Family-wide pin compatibility across regional bands (frente a RAK3172-T-8-SM-I)
- Integrated TCXO for frequency stability (frente a XTAL-only LoRa modules)
Notas de diseño
Reserve a copper keep-out zone beneath the IPEX MHF4 connector footprint to avoid signal-plane coupling that detunes antenna matching. Place the IPEX connector at the module edge of the host PCB so the antenna can protrude off-board without crossing signal traces. Maintain 50 ohm controlled-impedance routing from the IPEX feed to the on-board RF pad stub if the NI variant is used.
Power the module from a low-quiescent LDO (under 5 uA Iq is ideal) when battery life matters. Decouple the host 3.3 V supply with 10 uF bulk plus 100 nF ceramic directly at the module VIN pads. Voltage transients below 2.0 V during TX bursts will cause the integrated DC-DC to derate RF output power and reduce link margin.
Do not exceed 3.6 V on VIN. Connecting the IPEX antenna port directly to a DC-shorted test fixture will load the matching network and may damage the RF output stage. Always run antenna selection from the -SM-I (IPEX) variant vs -SM-NI (pad) variant at the BOM setup stage - mid-prototype swaps require PCB respins because the host footprint differs at pin 1's antenna signal path.
Información de cumplimiento
RoHS compliance confirmed by RAKwireless product page and JLCPCB listing. REACH, halogen-free and conflict-minerals status were not explicitly disclosed in verified web data and are listed as 'unknown'. AEC-Q100 not applicable - this is an RF transceiver module, not an automotive-grade IC.
