Ai-Thinker Ra-01SCH-P is a high-power LoRa wireless communication module designed for ultra-long-range and low-power wireless applications. According to the official Ai-Thinker documentation, the Ra-01SCH-P is based on the LLCC68 RF chip and supports the 803MHz to 930MHz frequency band, making it suitable for LoRa IoT, remote sensing, industrial communication, and other long-range embedded wireless scenarios. The Ai-Thinker Ra-01SCH-P LoRa module supports FSK, GFSK, and LoRa modulation, combines high transmit power with strong receiver sensitivity, and is designed for applications that need robust anti-interference performance and dependable long-distance communication. For engineers building smart agriculture, industrial IoT, environmental monitoring, and remote control systems, the Ra-01SCH-P offers a practical high-power LoRa module option. Features LoRa wireless communication module based on the LLCC68 RF chip Supports FSK, GFSK, and LoRa modulation Supports the 803MHz to 930MHz frequency band for long-range wireless communication High sensitivity down to -137dBm at SF10 / 125KHz according to the official specification High transmit power up to +29dBm by default, with configurable high-power mode up to +31dBm Supports spreading factors SF5 to SF11 Low receive current of 16mA for low-power LoRa system design SPI interface with half-duplex communication, CRC, and up to 256-byte packet engine Flexible antenna installation supporting half-hole pads, through-hole pads, and IPEX connectors Designed for ultra-long-range, anti-interference, and low-power IoT communication scenarios Specifications Parameter Details Brand Ai-Thinker Model Ra-01SCH-P Chipset LLCC68 Product Type LoRa wireless communication module Package SMD-16, dual-row stamp-hole package Dimensions 17 x 16 x 3.2 mm (+/-0.2 mm) Frequency Band 803MHz to 930MHz Modulation FSK, GFSK, LoRa Spreading Factors SF5 to SF11 Sensitivity -137dBm at SF10 125KHz Transmission Power +29dBm default, +31dBm optional custom mode Operating Voltage 3.0V to 3.6V, typical 3.3V, current above 1A Power Consumption Receive mode 16mA, transmit mode up to 1A Operating Temperature -40C to 85C Storage Conditions -40C to 125C, less than 90% RH Interface SPI Max Data Rate 300kbps Antenna Options Half-hole, through-hole, and IPEX connector compatible Applications Smart agriculture systems such as soil monitoring, irrigation control, and long-range field sensing Industrial automation and remote monitoring systems requiring long-distance LoRa communication Smart home security and alarm or remote detection applications Environmental monitoring including weather stations, air quality nodes, and outdoor sensor networks Supply chain, logistics, and asset tracking systems that need stable low-power wide-area connectivity Other Content Ai-Thinker Ra-01SCH-P belongs to the official LoRa series, which is positioned for ultra-long-range spread spectrum communication. Official documentation highlights its strong anti-interference capability, ultra-long-distance transmission characteristics, and low receive current, making the Ra-01SCH-P suitable for wireless designs where range, reliability, and power efficiency are all important. The official high-power configuration notes also distinguish between the default 3.3V internal PA mode and an optional 5V internal PA custom mode. That gives the Ra-01SCH-P LoRa module extra flexibility for engineering projects that need to balance output power, current draw, and deployment requirements in different IoT environments. Resources Ai-Thinker Ra-01SCH-P official topic page Ra-01SCH-P specification Ai-Thinker LoRa series overview Ra-01SCH-P reliability report Ra-01SCH-P power consumption report FAQ What chip is used in the Ra-01SCH-P? The Ai-Thinker Ra-01SCH-P is based on the LLCC68 RF chip according to the official documentation. What frequency range does the Ra-01SCH-P support? The official specification lists the 803MHz to 930MHz frequency band for the Ra-01SCH-P. Is the Ra-01SCH-P suitable for long-range LoRa applications? Yes. With LoRa modulation, high sensitivity, and high transmit power, the Ra-01SCH-P is designed for ultra-long-range and anti-interference wireless communication scenarios. What interface does the Ra-01SCH-P use? The official specification lists an SPI interface with half-duplex communication, CRC, and a 256-byte packet engine.
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