RC1682-SIG - 868MHz Sigfox Transceiver Module | Radiocrafts
料号： RC1682-SIG ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： RC1682-SIG ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： RC1682-SIG （相同外形与封装尺寸） ——差异在于 Antenna, Host Interface, Module Type, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
RC1681-SIG
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
RC1692-SIG
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
RC1701-RCV
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
RC1682-SIG-DK
✅ 直接替换📋 参考替代料（不在目录中）
RC1682-SIG 规格参数（制造商发布）
| 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 |
| 工作温度 | -30 °C to +85 °C |
| Dimensions | 12.7 x 25.4 x 3.7 mm |
| 安装类型 | 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 |
RC1682-SIG 接口与连接器
RC1682-SIG 提供制造商发布的以下接口和连接器：功率输入。扩展排针引脚定义、连接器引脚编号和电气限值在制造商文档中定义。
| 功率输入 | 2.8 V to 3.6 V |
请参阅 制造商文档 以查看完整的扩展排针引脚和连接器引脚编号。
功率与热特性
| 功率输入 | 2.8 V to 3.6 V |
| 工作温度 | -30 °C to +85 °C |
RC1682-SIG 的功率输入和热参数（由制造商发布）。
典型应用
RC1682-SIG 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： RC1682-SIG ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Pre-certified for European Sigfox operation, removing end-product RF conformance burden （对比 Generic CC1101-based sub-GHz transceiver)
- Industry-leading -126 dBm receiver sensitivity in castellation form factor （对比 RC1681-SIG (earlier revision))
- European 868 MHz region-specific certified footprint matches global Sigfox zone RC1 （对比 RC1692-SIG (North American variant))
设计说明
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.
合规信息
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
