ATK-LORA-01 - SX1278 LoRa 410-441MHz 3km Serial Module | ALIENTEK
N.º da peça: ATK-LORA-01 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $9.5 | $9,50 |
| 10 | $8.4 | $84,00 |
| 100 | $7.1 | $710,00 |
| 500 | $6.2 | $3.100,00 |
| 1.000 | $5.5 | $5.500,00 |
ATK-LORA-01 Visão geral
What is a LoRa module? LoRa (Long Range) is a spread-spectrum modulation physical layer derived from Chirp Spread Spectrum (CSS) and owned by Semtech. It is a sub-class of LPWAN (Low-Power Wide-Area Network) radios designed for sub-GHz industrial, scientific, and medical (ISM) bands. LoRa sits inside the broader wireless taxonomy of: wireless module -> RF transceiver -> ISM band radio -> LPWAN -> IoT connectivity. LoRa modules integrate the RF front-end, baseband modem, and protocol stack, exposing either a serial (UART/SPI) or LoRaWAN interface to the host MCU.
Key features of the ATK-LORA-01 include 32 selectable channels (410-441 MHz with 1 MHz step), a maximum air data rate of 19200 bps, AES-128 data encryption, and a 3 km communication range in open field conditions. The module measures 36 mm x 20 mm in a DIP-friendly through-hole footprint with onboard SMA antenna connector and IPEX optional antenna pad. It accepts 3.3 V to 5 V DC supply, supports transparent serial transmission, and provides MDO0/AUX indication pins for firmware handshaking.
At the architecture level, the SX1278 die delivers -137 dBm receive sensitivity at SF=12, BW=125 kHz with an integrated +20 dBm (100 mW) PA path. The host MCU communicates over UART (TXD/RXD) at configurable baud rates (default 9600 bps) while configuration of LoRa parameters (spreading factor SF6-SF12, bandwidth, coding rate, transmit power) is performed via AT commands. Forward Error Correction (FEC) is performed in hardware, increasing link robustness at the cost of effective data rate.
Typical applications include industrial remote meter reading, agricultural sensor telemetry, smart home bridges, wireless alarm panels, and drone telemetry downlinks. For battery-powered deployments, sleep current of the SX1278 is sub-microampere and the ATK-LORA-01 AUX pin can be used to wake the host MCU when a valid LoRa preamble is detected. Pair the ATK-LORA-01 with an STM32F103C8T6 or ESP32 host, an SMA 433 MHz antenna, and a 3.3 V LDO to build a long-range IoT node.
Design tip: choose SF7-SF9 for short-range high-throughput links and SF11-SF12 for maximum range at low data rates. Keep the antenna coaxial lead shorter than 10 mm to preserve radiated efficiency, and place the module at least 5 mm away from the ground plane edge to avoid pattern distortion.
This page consolidates distributor pricing, SX1278-based drop-in alternatives, and PCB layout guidance that is not aggregated on a single manufacturer or distributor page, giving engineers a one-stop reference for selecting and qualifying the ATK-LORA-01.
Alternativas drop-in para ATK-LORA-01 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com ATK-LORA-01 (mesmo formato e footprint) — diferindo em Modulation, Module Type, Mounting Type.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ATK-LORA-02
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$5.4 / unidade
Ver ficha técnica →E32-433T20S
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LoRa1278-CIO-S
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
E32-433T30S
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ATK-LORA-01 Especificações (publicadas pelo fabricante)
| Module Type | LoRa wireless serial (UART) module |
| RF Chip | Semtech SX1278 |
| Operating Frequency | 410 MHz to 441 MHz |
| Channel Step | 1 MHz (32 channels) |
| Modulation | LoRa (CSS) / FSK / OOK |
| Air Data Rate (max) | 19200 bps |
| Communication Range | 3000 m (line-of-sight, open field) |
| Transmit Power | Up to +20 dBm (100 mW) |
| Interface | UART (TTL) - TXD, RXD |
| Default UART Baud | 9600 bps |
| Tensão de alimentação | 3.3 V to 5 V DC |
| Module Size | 36 mm x 20 mm |
| Antenna Connector | SMA + optional IPEX pad |
| Encryption | AES-128 hardware |
| Spreading Factor | SF6 to SF12 (configurable via AT commands) |
| Tipo de montagem | Through-hole pin header (DIP-style breakout) |
Configuração de pinos do ATK-LORA-01
| Pino 1 | VCC — Supply voltage input, 3.3 V to 5 V DC |
| Pino 2 | GND — Ground reference |
| Pino 3 | TXD — UART transmit data output (3.3 V logic) |
| Pino 4 | RXD — UART receive data input (3.3 V logic) |
| Pino 5 | AUX — Module status indicator, high when busy/transmitting |
| Pino 6 | MDO0 — LoRa packet-detect IRQ output (active high) |
Características de potência e térmicas
| Entrada de Potência | 3.3 V to 5 V DC |
Parâmetros de entrada de potência e térmicos para ATK-LORA-01, conforme publicados pelo fabricante.
Aplicações típicas
ATK-LORA-01 é adequado para 6 aplicaçãos: Industrial Remote Meter Reading, Agricultural Sensor Telemetry, Smart Home Wireless Bridge, Wireless Alarm and Security Panel, Drone / UAV Telemetry Downlink, Wireless Data Acquisition for Test & Measurement.
Industrial Remote Meter Reading
The ATK-LORA-01 enables wireless collection of utility meter data (water, gas, electricity) across factory floors and residential complexes where wired backhaul is impractical. With 3 km line-of-sight range in the 410-441 MHz band, a single gateway module paired with an STM32 host can poll hundreds of battery-powered slave meters at SF11-SF12 / BW=125 kHz, achieving -137 dBm sensitivity and over 100 kbit/s aggregate throughput per channel. The transparent UART mode simplifies integration with legacy Modbus RTU meters - simply bridge TXD/RXD and use AT commands to configure channel and spreading factor per slave.
Recomendado
Agricultural Sensor Telemetry
For greenhouse and field-deployed soil moisture, pH, and weather sensors, the ATK-LORA-01's sub-microampere sleep current and 3 km range make it ideal for star-topology LPWAN sensor networks. A solar-powered sensor node with an SX1278-based module can run for >2 years on a 18650 cell at hourly report cadence, transmitting at +14 dBm and SF9 / BW=125 kHz for a balanced 1.5 km range and 1.2 kbps throughput. The 32 selectable channels allow frequency-division across 32 greenhouses without mutual interference.
Recomendado
Smart Home Wireless Bridge
The ATK-LORA-01 bridges indoor smart-home devices (curtain motors, lighting controllers, leak sensors) to a central home gateway over distances that defeat WiFi or BLE, such as detached garages, basements, and outdoor gardens. With +20 dBm TX power and -137 dBm RX sensitivity, the link margin is sufficient for reliable operation through two masonry walls at 50 m indoor range. Pair each ATK-LORA-01 slave node with a small buck regulator and a 433 MHz stub antenna for a sub-$5 wireless bridge.
Recomendado
Wireless Alarm and Security Panel
Security alarm systems benefit from the ATK-LORA-01's AES-128 hardware encryption and 3 km range for connecting perimeter sensors (PIR, door contact, glass-break) to a central panel without running signal cables through walls. At SF12 / BW=125 kHz the link budget approaches the theoretical limit, making jamming-resistant deployments feasible in suburban environments. The AUX pin provides immediate packet-arrival interrupt, enabling sub-50 ms alarm latency at the panel.
Recomendado
Drone / UAV Telemetry Downlink
For beyond-visual-line-of-sight (BVLOS) UAV telemetry, the ATK-LORA-01 provides a long-range, low-bandwidth downlink for GPS position, battery telemetry, and flight control feedback. At 410-441 MHz the link budget is superior to 2.4 GHz in non-line-of-sight conditions, with documented 3 km range on an omnidirectional whip. Drone operators pair the module with a Pixhawk-class autopilot over UART at 57600 bps, using SF8 / BW=250 kHz for a balanced 2 kbps throughput and 1.5 km range.
Recomendado
Wireless Data Acquisition for Test & Measurement
Test-and-measurement systems use the ATK-LORA-01 to stream analog/digital sensor data from rotating shafts, high-voltage probes, and other isolated points where galvanic isolation via RF replaces expensive instrumentation. The module's transparent UART mode allows seamless integration with a DSO or DAQ at the receiving end - simply wire TXD/RXD into a USB-UART bridge. SX1278 hardware FEC reduces error rates to under 1e-6 at SF9 / BW=125 kHz in office environments, ensuring clean capture of one-shot transient events.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ATK-LORA-01 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ATK-LORA-02 | E32-433T20S | Ra-02 | LoRa1278-CIO-S | E32-433T30S |
|---|---|---|---|---|---|---|
| Package | 36 mm x 20 mm DIP module (2x3 pin header) | 36 mm x 20 mm DIP module (2x3 pin header) - same | 36 mm x 20 mm DIP module (2x3 pin header) - same | 16 mm x 16 mm SMD castellation - DIFFERENT | 36 mm x 20 mm DIP module (1x6 pin header) - same | 36 mm x 20 mm DIP module (2x3 pin header) - same |
| Brand | ALIENTEK | ALIENTEK | EBYTE | Ai-Thinker | NiceRF | EBYTE |
| RF Chip | Semtech SX1278 | Semtech SX1276 | Semtech SX1278 | Semtech SX1278 | Semtech SX1278 | Semtech SX1278 |
| Operating Frequency | 410-441 MHz | 410-525 MHz | 410-441 MHz | 410-525 MHz | 410-441 MHz | 410-441 MHz |
| TX Power | +20 dBm (100 mW) | +20 dBm | +20 dBm | +17 dBm (chip-limited) | +20 dBm | +30 dBm (1 W) |
| Communication Range | 3 km | 3 km | 3 km | Dependent on host design | 5 km | 8 km |
| Interface | UART (TTL) | UART (TTL) | UART (TTL) | SPI | UART (TTL) | UART (TTL) |
| Air Data Rate (max) | 19200 bps | 19200 bps | 19200 bps | 300 kbps (LoRa BW=500 kHz) | 19200 bps | 19200 bps |
| Encryption | AES-128 hardware | AES-128 hardware | AES-128 | AES-128 (chip-level) | AES-128 | AES-128 |
| Unit Price (1 pc, as of 2026-10-14) | USD 9.50 | USD 10.50 | USD 7.20 | USD 4.50 | USD 8.80 | USD 11.50 |
Principais diferenciais
- Integrated SX1278 with pre-tuned matching network (vs Ra-02 (bare SX1278 SMD module))
- ALIENTEK brand support with Chinese-language documentation and Taobao storefront (vs EBYTE E32-433T20S (also SX1278 UART module))
- Default 433 MHz ISM band tuning with 32 channels of 1 MHz step (vs LoRa1278-CIO-S (NiceRF))
Notas de projeto
Estimated: when integrating the ATK-LORA-01 onto a custom carrier PCB, place the module at least 5 mm from the PCB edge and keep a continuous ground plane under and around the module. The SMA connector's shield must be grounded with four vias to the ground plane to maintain 50 ohm impedance; floating shields cause 2-3 dB pattern distortion. Add a 10 uF + 100 nF decoupling capacitor pair within 5 mm of the VCC pin to handle the SX1278's 100 mA TX inrush without dipping the supply rail.
Do not connect a 5 V Arduino's RX pin directly to the ATK-LORA-01's TXD pin. The module UART is 3.3 V; 5 V input can damage the SX1278 I/O over time. Use a resistive divider (1k/2k) or a dedicated level translator such as the TXS0108E. Also, ensure the host's UART baud matches the module's configured baud (default 9600 bps) - mismatched baud causes silent packet loss even with the AUX pin showing valid activity.
The bundled SMA 433 MHz antenna must be vertical and clear of metallic obstructions. Estimated: radiated efficiency drops by approximately 1 dB per 10 mm of horizontal coaxial lead extension. For metal-enclosed deployments, mount the SMA bulkhead on the enclosure wall rather than routing the antenna inside; indoor path loss at 433 MHz through sheet metal can exceed 20 dB and completely defeat the 3 km link budget.
Estimated: at +20 dBm (100 mW) TX, the ATK-LORA-01 draws roughly 100 mA from a 3.3 V supply for the duration of each packet. For battery-powered designs, gate the module's VCC with a P-MOSFET (e.g., AO3401A) and use the AUX pin to detect transmission completion before powering down - this minimizes average current to <2 mA at 1% duty cycle and extends 18650 battery life to >6 months. Sleep current alone is sub-microampere, so the dominant power cost is the TX inrush.
Informações de conformidade
ATK-LORA-01 is sold primarily through Chinese distributors (ALIENTEK, HQonline, AliExpress); compliance certifications are not published on the manufacturer datasheet and should be verified per shipment. SX1278 chip itself is RoHS-compliant per Semtech.
