E22-400MM22S - SX1268 LoRa 433/470MHz Module | Ebyte
N.º de pieza: E22-400MM22S ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.71 | $3,71 |
| 10 | $3.52 | $35,20 |
| 100 | $3.34 | $334,00 |
| 500 | $3.17 | $1.585,00 |
| 1.000 | $3.01 | $3.010,00 |
E22-400MM22S Descripción general
A LoRa module is a sub-GHz radio transceiver subsystem that implements Semtech's LoRa spread-spectrum (chirp spread spectrum) and traditional GFSK modulation to deliver long-range, low-power wireless links. Within the system hierarchy it sits above the bare RF chip (here the Semtech SX1268) and below full application nodes, providing the RF front end, matching network, and host interface that an MCU controls over SPI.
Key features include a very low receive current of 6.5 mA (with DC-DC power configuration), wide 1.8 V to 3.7 V supply range, transmit current of 100 mA, and a communication range of up to 7 km in open field. The SX1268 core supports multiple modulation schemes, enabling both long-range LoRa links and higher-throughput GFSK links on the same hardware.
The SX1268 generation adds improved link budget and configurable power-amplifier and LDO/DC-DC supply modes; selecting the high-efficiency buck converter mode substantially lowers receive current for battery-powered nodes. Sensitivity of -147 dBm at low data rates allows deep penetration and multi-kilometer range, making the module well suited to dense deployments with infrequent small-payload transmissions.
Typical applications include smart agriculture sensor nodes, industrial telemetry and metering, smart-city infrastructure, and asset tracking in the 433/470 MHz regional ISM bands.
Design consideration: at 22.3 dBm output the module requires a good ground plane and an efficient antenna (IPEX whip or matched PCB antenna); always verify duty-cycle and EIRP limits for your regional 433/470 MHz regulations before deployment.
This page synthesizes distributor pricing from LCSC, JLCPCB, and Chipmall, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para E22-400MM22S — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
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Solicitar alternativasE22-400MM22S Especificaciones (publicadas por el fabricante)
| RF Chip Solution | Semtech SX1268 |
| Frequency Range | 410 MHz to 493 MHz (433/470 MHz bands) |
| Modulation | LoRa, GFSK |
| Max Transmit Power | 22.3 dBm |
| Receive Sensitivity | -147 dBm |
| Tensión de alimentación | 1.8 V to 3.7 V |
| Transmit Current | 100 mA |
| Receive Current | 6.5 mA |
| Max Communication Distance | 7 km |
| Host Interface | SPI |
| Antenna Interface | IPEX / antenna pad |
| Package Type | SMD stamp hole, 10 x 10 mm |
| Dimensions | 10 x 10 x 2.5 mm |
| Estado RoHS | Compliant |
| Tipo de montaje | Surface Mount |
Interfaces y conectores de E22-400MM22S
E22-400MM22S 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 | 1.8 V to 3.7 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 | 1.8 V to 3.7 V |
Parámetros de entrada de potencia y térmicos para E22-400MM22S según lo publicado por el fabricante.
Aplicaciones típicas
E22-400MM22S es adecuado para 6 aplicacións: Smart Agriculture Sensor Networks, Industrial Telemetry and Metering, Smart City Infrastructure, Asset Tracking, Remote Control and Security Systems, Wireless Sensor Network Prototyping.
Smart Agriculture Sensor Networks
Soil moisture, weather, and irrigation nodes spread across farms benefit directly from the E22-400MM22S combination of -147 dBm sensitivity and 7 km open-field range, which lets a single gateway cover large plots without repeaters. The module operates from 1.8 V to 3.7 V, matching a single lithium cell, and its 6.5 mA receive current in DC-DC configuration keeps average consumption low when nodes wake briefly to upload readings. The LoRa modulation trades data rate for range, which suits the small periodic payloads typical of agricultural telemetry. Designers should size the antenna (IPEX whip or tuned PCB antenna) for the polarization and mounting of the enclosure, and verify regional 433/470 MHz duty-cycle limits for network-level throughput planning.
Recomendado
Industrial Telemetry and Metering
Factory-floor and utility metering links demand robust sub-GHz connectivity tolerant of metallic obstructions, and the E22-400MM22S addresses this with its 22.3 dBm transmit power and deep link budget from -147 dBm sensitivity on the Semtech SX1268. The 433/470 MHz bands penetrate buildings better than 868/915 MHz in many installations, and the 7 km stated range covers campus-scale meter networks. The SPI host interface lets an existing industrial MCU (for example an S12 or SPC5 family controller) integrate the radio without a second protocol bridge. Because the transmit current reaches 100 mA, supply rails and decoupling should be designed for the TX burst, and shielded placement away from switching converters preserves the noise floor.
Recomendado
Smart City Infrastructure
Streetlight controllers, parking sensors, and environmental monitoring points benefit from the module's ultra-small 10 x 10 mm footprint, which fits into compact pole-mounted and luminaire enclosures where board area is scarce. The continuous 410-493 MHz coverage allows one hardware design to serve both 433 MHz and 470 MHz regional deployments with a firmware frequency change, simplifying logistics across markets. Its RoHS compliance supports public-infrastructure procurement requirements. With up to 7 km line-of-sight range, a city can reduce gateway density; designers should validate EIRP compliance with the chosen antenna gain and confirm the IPEX connector mechanical retention for outdoor vibration environments.
Recomendado
Asset Tracking
Tracking pallets, vehicles, and returnable containers in the 433/470 MHz regional bands is a strong fit for the E22-400MM22S because position and status payloads are small and infrequent, exactly the traffic profile where LoRa's -147 dBm sensitivity maximizes battery life and range. The 2.5 mm module height and 10 x 10 mm outline fit flat into thin tracker enclosures, and the wide 1.8-3.7 V supply tracks a discharging lithium cell directly without a regulator. The 100 mA transmit burst is brief but must be budgeted in the power profile; using the SX1268's DC-DC mode and sleep states between reports minimizes average drain. IPEX antenna routing should avoid battery-metal proximity to preserve radiation efficiency.
Recomendado
Remote Control and Security Systems
Wireless alarm peripherals, gate controllers, and remote keypads need dependable links with low latency and modest data rates, which the E22-400MM22S delivers using either LoRa or traditional GFSK modulation selectable in the SX1268. GFSK mode offers faster transmissions for control commands, while LoRa mode maximizes range for perimeter sensors at the edge of coverage. The 22.3 dBm output and 7 km range support large fenced facilities without mesh complexity. Because security links must resist jamming and replay, designers should implement application-layer encryption and message counters in the host MCU. The SPI interface integrates cleanly with 3.3 V MCUs, and the 1.8-3.7 V range suits mains-backed battery supplies.
Recomendado
Wireless Sensor Network Prototyping
For R&D teams building custom LoRa nodes, the E22-400MM22S is an ideal evaluation vehicle: the stamp-hole SMD footprint solders onto standard 2.54 mm adapters or castellated carrier PCBs, and the transparent SPI access to the SX1268 works with Semtech's open drivers and Ebyte's test software. The 10 x 10 mm module lets a prototype node fit on a credit-card-sized board, and RoHS compliance plus active production status protect the design into production. Developers should verify the 1.8-3.7 V operating window against their 3.3 V regulator tolerance, add a 10 uF bulk capacitor near the supply pin for the 100 mA TX burst, and confirm antenna matching on the IPEX output before field trials.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para E22-400MM22S — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | E22-400M22S |
|---|---|---|
| Package | SMD stamp hole, 10 x 10 mm | SMD, 14 x 20 mm |
| Brand | Chengdu Ebyte | Chengdu Ebyte |
| RF Chip | Semtech SX1268 | Semtech SX1268 |
| Frequency Range | 410-493 MHz | 410-493 MHz |
| Max TX Power | 22.3 dBm | 22 dBm |
| Range | 7 km | 7 km |
Diferenciadores clave
- Ultra-small 10 x 10 mm footprint (frente a E22-400M22S)
- Same SX1268 silicon, continuous frequency coverage (frente a E22-400M22S)
- Low receive current in DC-DC mode (frente a E22-400M22S)
Notas de diseño
Supply the E22-400MM22S from a 1.8 V to 3.7 V rail sized for the 100 mA transmit burst, not just the 6.5 mA receive current. Estimated: a 100 mA TX burst from a regulator with 100 mV of droop tolerance needs at least a 10 uF bulk ceramic capacitor within a few millimeters of the supply pad. Prefer the SX1268's DC-DC converter supply configuration over LDO mode to reach the stated 6.5 mA receive current; LDO mode draws more. Do not transmit without an antenna connected.
The module uses castellated stamp-hole pads on a 10 x 10 mm body, so route the stamp pads to castellated footprints with generous via stitching to the ground plane beneath (but not under) the module body. Keep the IPEX antenna feed away from switching regulators and crystal circuits, and reserve clearance around the antenna side of the module per the manufacturer's recommended land pattern in the datasheet. Follow the pin definition table in the E22-400MM22S manual rather than assuming a generic pad order.
Verify regional regulatory limits before deployment: the 22.3 dBm maximum output plus antenna gain must stay within local 433/470 MHz EIRP and duty-cycle rules, which differ by country. Also confirm logic-level compatibility: the module supply spans 1.8-3.7 V, so a 5 V MCU requires level shifting on SPI lines. Finally, do not confuse the MM22S (10 x 10 mm) with the E22-400M22S (14 x 20 mm) footprint when ordering or laying out the PCB.
Información de cumplimiento
RoHS compliance stated on LCSC and JLCPCB listings (part C5333984). REACH, MSL, and lead-free declarations not published in verified data.
