RC1682-SIG - 868MHz Sigfox Transceiver Module | Radiocrafts
N.º de pieza: RC1682-SIG ✓ 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 | $11.75 | $11.750,00 |
RC1682-SIG Descripción general
Sigfox is a Low Power Wide Area Network (LPWAN) technology that occupies ultra-narrow bandwidth (typically 100 Hz to 1.5 kHz per channel) in license-exempt sub-1 GHz bands to achieve kilometers of range at sub-milliwatt average power. As an LPWAN transceiver module, the RC1682-SIG belongs to the broader family of radio modules (sub-category: ISM < 1GHz) that sit between a host microcontroller and the antenna, replacing discrete RF design with a pre-certified subsystem and accelerating time-to-market for low-data-rate IoT endpoints such as smart meters, asset trackers, environmental sensors, and agricultural monitors.
Key features of the RC1682-SIG include +14 dBm maximum output power (compliant with European ERC 70-03 duty-cycle and ETSI EN 300 220 limits), -126 dBm receiver sensitivity to maximize link budget in challenging RF environments, 100 bps uplink / 600 bps downlink air-data rates, and adaptive frequency hopping across the 868.13 MHz TX / 869.525 MHz RX Sigfox operating channels. The module exposes a UART host interface, a hardware reset pin, and configuration GPIOs, and operates across -30 °C to +85 °C industrial temperature ranges. On-board MCU with embedded SIGFOX stack removes the need for an external protocol library on the host.
The module combines a sub-1 GHz radio transceiver, an embedded microcontroller running the SIGFOX protocol stack, and a TCXO-controlled frequency reference in a single shielded package. This integration trades design flexibility for time-to-market, allowing developers to focus on sensor firmware and cloud connectivity rather than RF matching, regulatory pre-compliance, and protocol software ports. Compared with discrete sub-GHz ICs + external MCU implementations, the RC1682-SIG reduces the bill-of-materials, lowers PCB area, and removes the need for in-house RF expertise.
Typical applications include smart metering (water, gas, electric utility endpoints), environmental monitoring (air-quality, soil-moisture, weather stations), asset tracking and cold-chain telemetry, agricultural automation (livestock, irrigation), smart city infrastructure (parking sensors, waste-bin level sensing), and industrial alarm/button signaling. The combination of long range (kilometers in line-of-sight), low power consumption during narrow-band transmissions, and European pre-certification makes it well suited to battery-powered IoT endpoints that must operate for years on a single cell.
When designing with the RC1682-SIG, follow Radiocrafts reference layout guidelines: place the module over a ground keep-out area on the host PCB, route the antenna feed as a 50 ohm controlled-impedance trace, provide adequate decoupling near the supply pin, and reserve UART access for in-field firmware updates via RCTools-SIG. Designers should also account for transmit duty-cycle limits (typically 1 % per channel per hour under ETSI EN 300 220) when sizing uplink message frequency.
This page synthesizes distributor pricing, same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Alternativas directas para RC1682-SIG — 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 RC1682-SIG (mismo factor de forma y huella) — difiere en Antenna, Host Interface, Module Type, Operating Temperature.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
RC1681-SIG
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
RC1692-SIG
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
RC1701-RCV
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
RC1682-SIG-DK
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
RC1682-SIG Especificaciones (publicadas por el fabricante)
| Module Type | Sigfox Transceiver Module |
| Frequency Band | 868 MHz ISM (ETSI) |
| TX Frequency | 868.13 MHz |
| RX Frequency | 869.525 MHz |
| Maximum Output Power | +14 dBm |
| Receiver Sensitivity | -126 dBm |
| Uplink Data Rate | 100 bps |
| Downlink Data Rate | 600 bps |
| Supply Voltage Range | 2.8 V to 3.6 V |
| Supply Current (TX) | 31 mA |
| Supply Current (RX) | 59 mA |
| Host Interface | UART |
| Temperatura de funcionamiento | -30 °C to +85 °C |
| Dimensions | 12.7 x 25.4 x 3.7 mm |
| Tipo de montaje | Surface Mount (Castellation) |
| Antenna | Not Included (external required) |
| Protocol | SIGFOX RC1/RC2 (Europe) |
| Regulatory Pre-Certification | European (ETSI EN 300 220) |
| Reset Function | Yes (hardware reset pin) |
| Adaptive Frequency Hopping | Supported |
Interfaces y conectores de RC1682-SIG
RC1682-SIG 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 | 2.8 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 | 2.8 V to 3.6 V |
| Temperatura de funcionamiento | -30 °C to +85 °C |
Parámetros de entrada de potencia y térmicos para RC1682-SIG según lo publicado por el fabricante.
Aplicaciones típicas
RC1682-SIG es adecuado para 6 aplicacións: Smart Metering (Utility Endpoints), Environmental Monitoring Stations, Asset Tracking and Cold-Chain Telemetry, Agricultural Automation, Smart City Infrastructure, Industrial Alarm and Button Signaling.
Smart Metering (Utility Endpoints)
The Radiocrafts RC1682-SIG fits smart-metering endpoints because its -126 dBm sensitivity and +14 dBm output give a 140 dB link budget that reaches basement or underground water, gas, and electric meters typical in dense urban deployments. The 100 bps uplink air data rate easily carries daily meter read payloads (a few tens of bytes), while the narrow 100 Hz Sigfox bandwidth keeps transmission short, drawing ~31 mA for just tens of milliseconds per message - well within the 1 % duty-cycle mask of ETSI EN 300 220. The UART host interface lets a low-cost metering MCU hand off raw readings without integrating the Sigfox stack itself.
Recomendado
Environmental Monitoring Stations
Air-quality, soil-moisture, and weather stations benefit from the RC1682-SIG's combination of long range, ultra-narrow bandwidth, and adaptive frequency hopping across European 868 MHz Sigfox channels. With a sensitivity floor of -126 dBm, low-cost whip or PCB-trace antennas are sufficient to reach Sigfox base stations kilometers away, avoiding the cellular subscription overhead that competing LTE-M or NB-IoT modules impose. The +14 dBm output complies with European ERC 70-03 sub-band duty-cycle rules, and the module's -30 °C to +85 °C operating range covers outdoor enclosures throughout continental climates.
Recomendado
Asset Tracking and Cold-Chain Telemetry
Cold-chain transport and asset-tracking endpoints use the RC1682-SIG for periodic location/temperature uplinks because narrow-band transmissions are short, lowering average current draw during deep indoor shipments. UART connectivity to an external GPS receiver or temperature logger reduces host-side design effort, while the 12.7 x 25.4 x 3.7 mm castellation module fits onto tracker PCBs smaller than a coin cell. Pre-certified European operation removes a major roadblock for international logistics providers operating across multiple Sigfox-rolled-out countries.
Recomendado
Agricultural Automation
Livestock monitoring, soil moisture sensing, and irrigation control across large farms require radio modules that can cover kilometers of range on minimal power, which is exactly the design point of the RC1682-SIG's 868 MHz Sigfox profile. The 100 bps uplink air data rate is more than sufficient for periodic vitals (heart rate, body temperature, GPS-bounding triggers), and the embedded Sigfox protocol stack removes the need for an external MCU running a LoRaWAN or cellular stack. The industrial -30 °C to +85 °C temperature range handles outdoor farms and livestock barns across European seasons.
Recomendado
Smart City Infrastructure
Smart-parking sensors, waste-bin level sensors, and street-lighting fault reporters leverage the RC1682-SIG's deep indoor penetration and kilometer-range outdoor coverage to reach Sigfox base stations from underground garages or dense urban canyons. The castellation footprint and integrated Sigfox stack reduce each city-installed sensor to a small PCB with a battery, dramatically simplifying mass deployment across thousands of endpoints. ETSI EN 300 220 pre-certification shortens end-product Declaration of Conformity cycles for municipal procurement workflows.
Recomendado
Industrial Alarm and Button Signaling
Industrial alarm buttons and emergency push-buttons use the RC1682-SIG to transmit brief status packets at low power, well-matched to the 100 bps Sigfox uplink rate and the 1 % ETSI duty-cycle budget that allows up to six messages per hour per channel. With -126 dBm sensitivity, a single Sigfox base station can cover an entire industrial plant from a rooftop antenna, eliminating cellular subscription costs for every button. The on-board reset function and adaptive frequency hopping make the link robust against the RF interference typical of factory floors with motor drives and welding equipment.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para RC1682-SIG — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | RC1681-SIG | RC1692-SIG | RC1682-SIG-DK |
|---|---|---|---|---|
| Brand | Radiocrafts | Radiocrafts | Radiocrafts | Radiocrafts |
| Package | Castellation 12.7x25.4x3.7 mm | Castellation 12.7x25.4x3.7 mm - same | Castellation 12.7x25.4x3.7 mm - same | Demonstration Kit (PCB) |
| Frequency Band | 868 MHz (Europe) | 868 MHz (Europe) | 902-928 MHz (North America) | 868 MHz (Europe) |
| Output Power | +14 dBm | +14 dBm | +14 dBm | +14 dBm (via module) |
| Receiver Sensitivity | -126 dBm | -126 dBm | -126 dBm | -126 dBm (via module) |
| Supply Voltage | 2.8 V to 3.6 V | 2.8 V to 3.6 V | 2.8 V to 3.6 V | USB-powered (5 V) |
| Host Interface | UART | UART | UART | USB/UART bridge |
| Protocol Stack | Embedded Sigfox | Embedded Sigfox | Embedded Sigfox | Embedded Sigfox |
Diferenciadores clave
- Pre-certified for European Sigfox operation, removing end-product RF conformance burden (frente a Generic CC1101-based sub-GHz transceiver)
- Industry-leading -126 dBm receiver sensitivity in castellation form factor (frente a RC1681-SIG (earlier revision))
- European 868 MHz region-specific certified footprint matches global Sigfox zone RC1 (frente a RC1692-SIG (North American variant))
Notas de diseño
Place the RC1682-SIG over a continuous ground plane with a documented keep-out area beneath the antenna RF feed trace, and route the antenna feed as a 50 ohm controlled-impedance trace with minimal stubs. Radiocrafts' reference layout in the datasheet (PDF published 2017-02-17) recommends castellated-edge reflow soldering with no additional thermal vias directly under the shield. Following this footprint preserves the European pre-certification status; deviating from it generally requires re-conformance testing.
Provide at least 10 µF bulk plus 100 nF ceramic decoupling close to the module supply pin to absorb the 31 mA transmit current spike during each uplink. For battery-powered deployments, switch the supply rail with a low-quiescent LDO or load switch so that standby leakage remains in the low microamp range between Sigfox messages. Estimate: a typical 3.6 V lithium-thionyl-chloride primary cell with one message per hour can deliver 5-10 years of service life, but verify against the worst-case TX current rating of 31 mA.
Do not exceed the European 1 % per-channel per-hour transmit duty-cycle limit under ETSI EN 300 220 / ERC 70-03. Sized message frequency must be conservative: at 100 bps uplink a typical 12-byte payload occupies roughly 1.2 seconds of airtime, allowing up to ~6-12 messages per hour per channel before duty-cycle limits bite. Also avoid routing digital signals (UART, GPIO) directly under the antenna castellation; keep them on the opposite PCB layer and ground-shield them to prevent noise coupling.
Información de cumplimiento
RoHS compliant per JLCPCB listing; pre-certified for European ETSI EN 300 220 operation per Radiocrafts datasheet (PDF, 2017-02-17 release); AEC-Q100 not applicable for this consumer/industrial RF module
