Features:

• Gen-4 LoRa Performance, Sub-GHz Focused : Powered by the same fourth-generation LoRa® IP core as the flagship LR2021, the LR2012 delivers best-in-class sub-GHz radio performance: receiving sensitivity down to -141.5 dBm (LoRa SF12 @ 125 kHz) and transmit output up to +22 dBm, maximizing link budget for deep-indoor and long-range deployments.
• Cost-Optimized for LPWAN at Scale : By concentrating solely on sub-GHz operation, the LR2012 removes the 2.4 GHz and satellite RF chains you don't need — you pay only for the capabilities you use. Sharing the same Gen-4 IP and Unified Software Platform (USP) as the LR2021/LR2022, it lets design teams build sub-GHz and multi-band products on one architecture, simplifying supply chains and qualification.
• Best-in-Class Energy Efficiency : Maintains Semtech's industry-leading low-power standards: 5.7 mA receiving current, 470 nA sleep current, and 105 mA @ +22 dBm transmit — ideal for battery-powered, long-lifecycle metering and sensing devices.
• Enhanced Channel Activity Detection (CAD) : Fast CAD employs an intelligent adaptive threshold and early termination mechanism, significantly reducing the power consumption and time required for idle channel detection.
• Ready-to-Go for Prototyping : This integrated kit featuring the XIAO nRF54L15 combines real-time OLED feedback and plug-and-play Grove connectors for rapid sensor integration. Its hardware is also pin-compatible Arduino Uno, STM32 Nucleo, and Nordic DK platforms.

Specifications:

• RF Chip Specifications
• Main Chipset : Semtech LR2012 (LoRa Plus™, Gen-4 LoRa IP)
• Package Type : QFN-48 (5 × 5 × 0.9 mm)
• Frequency Range : 150 – 960 MHz (Sub-GHz)
• Supply Voltage : 1.8 V – 3.7 V (3.3 V typical)
• Sleep Current : 470 nA
• Max TX Current : Sub-GHz: 105 mA @ +22 dBm
• Output Power : -10 dBm to +22 dBm (Sub-GHz)
• RX Sensitivity : LoRa SF12 @ 125 kHz: -141.5 dBm
• Data Rate : LoRa: up to 125 Kbps; FSK: up to 2 Mbps
• Modulation : LoRa, BPSK, FSK, OOK
• Communication Interface : SPI
• General Hardware Specifications
• Dimensions : 56 (W) × 98.6 (L) × 23.5 (H) mm
• Integrated Display : 0.96" OLED (128 × 64 px)
• Expansion Interface : 2 × Grove I2C
• Antenna Interface : 1 × SMA-K (Sub-GHz LF port)
• Debug Options : SWD
• Voltage – Supply : 5 V (USB Type-C)
• Voltage – Output : 3.3 V / 5 V
• Frequency Plan : EU868 / US915 / CN490
• Working Temperature : -40 °C \~ +85 °C

Hardware Overview:

Applications:

• Smart Metering : Industry customers have already selected the LR2012 for next-generation meter interface units — superior LoRaWAN performance, backward compatibility with legacy OOK meter infrastructure, and LR-FHSS support for scalable network capacity make it ideal for electricity, water, and gas metering roadmaps.
• Smart Agriculture : Ultra-long-range sub-GHz links connect soil moisture, irrigation, and environmental sensors across vast farmland, with multi-year battery life.
• Industrial Sensing & Predictive Maintenance : High link budget and improved interference resilience support battery-powered sensors in harsh industrial environments and extended outdoor deployments.
• Smart City & Building : Deep-indoor penetration for parking, lighting, and environmental monitoring nodes on LoRaWAN networks.

Documentations:

• Semtech LR2012 Datasheet
• Semtech LR2012 US915 Expansion Board Schematic

Package Includes:

• 2 x Seeed Studio XIAO nRF54L15 Module
• 2 x LoRa Plus Expansion Board
• 2 x Antenna (902-928 MHz)
• 2 x USB Cable Type-A Male to Type-C Male (1 m)
• 1 x Read Me Note