RFM68LCW-868S2, RF and Wifi Module, from HOPE-RF Signal HK Limited Independent Distributor Stock

RFM68LCW-868S2, RF and Wifi Module, from HOPE-RF in Stock Hong Kong The <strong>RFM68LCW-868S2</strong> is an ultra-low-power, high-performance <strong>868MHz LoRa/GFSK/FSK RF transceiver module</strong> from <strong>H

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Part Number	RFM68LCW-868S2
Manufacturer	HOPE-RF
Description	The RFM68LCW-868S2 is an ultra-low-power, high-performance 868MHz LoRa/GFSK/FSK RF transceiver module from HOPERF (HopeRF). Designed for long-range Sub-GHz wireless communication, the module combines high transmit power, excellent receiver sensitivity, flexible modulation options, and a digital SPI interface in a compact surface-mount package. The RFM68LCW-868S2 is the 868MHz version of the RFM68LCW family. The module is optimized for wireless systems operating around the European 868MHz ISM/SRD frequency band and provides a compact RF solution for IoT, telemetry, metering, sensing, and remote-control applications. The transceiver supports LoRa, GFSK, and FSK modulation, allowing designers to select the modulation method according to communication range, data rate, interference immunity, and power-consumption requirements. LoRa modulation is particularly suitable for applications requiring reliable long-range communication at relatively low data rates. The transmitter provides a programmable RF output power of up to +22dBm. The high output capability provides substantial link-budget flexibility for long-range wireless applications and can reduce the need for an external RF power amplifier in many designs. In LoRa mode, receiver sensitivity reaches approximately -129dBm at SF9 and 125kHz bandwidth. Combined with the +22dBm transmitter, this provides a strong RF link budget for long-distance communication and operation in challenging radio environments. In FSK mode, the RFM68LCW supports programmable data rates from approximately 0.6kbps up to 300kbps. This enables the module to support both low-data-rate telemetry applications and significantly faster packet-based wireless communication when maximum LoRa range is not required. The LoRa modem provides programmable bandwidth and spreading-factor settings. Supported LoRa bandwidth configurations include 125kHz, 250kHz, and 500kHz, allowing communication parameters to be optimized for range, airtime, robustness, and throughput. The RFM68LCW-868S2 operates from a supply voltage range of 1.8V to 3.7V, with 3.3V typical operation. This low-voltage supply range makes the module suitable for direct integration with battery-powered microcontroller and IoT platforms. Typical receiver current is approximately 8.8mA under specified LoRa receiving conditions. The module also provides extremely low-power sleep operation, enabling substantial energy savings in battery-powered sensor nodes that spend most of their operating time in standby. At maximum RF output power, the 868MHz version typically draws approximately 120mA during transmission. The actual transmitter current depends on RF output power, supply voltage, operating frequency, modulation settings, and other configuration parameters. The module communicates with the host processor through a 4-wire SPI interface. A microcontroller, FPGA, or other embedded processor can configure operating frequency, RF power, modulation parameters, packet settings, operating modes, and other transceiver functions through this digital interface. The RFM68LCW architecture includes features such as duty-cycle operation, channel listening, high-precision RSSI measurement, packet handling, and programmable radio parameters. These functions reduce the processing burden on the host controller and enable efficient implementation of low-power wireless protocols. The module provides programmable channel frequency with fine frequency resolution, allowing designers to implement application-specific channel plans within the supported RF operating range. Frequency configuration, modulation characteristics, and communication parameters can be dynamically controlled through software. Integrated RSSI functionality allows the host system to monitor received signal strength. RSSI information can be used for link-quality assessment, network optimization, channel selection, installation diagnostics, and adaptive wireless communication strategies. The module supports an operating temperature range of -40°C to +85°C, making it suitable for outdoor sensor nodes, industrial monitoring systems, utility metering, building automation, agricultural equipment, and other applications exposed to demanding environmental conditions. The RFM68LCW-868S2 is supplied as a compact SMD RF module measuring approximately 11.5 × 12.0 × 2.3mm. Its integrated RF architecture minimizes the number of external components required and allows compact wireless products to be developed without implementing the complete RF transceiver circuitry from discrete components. The 868S2 ordering designation identifies the module configuration for 868MHz operation. Other members of the RFM68LCW family are available for frequencies including 433.92MHz, 470MHz, and 915MHz, allowing the same basic platform to be adapted to different regional and application requirements. The combination of 868MHz operation, LoRa/GFSK/FSK modulation, +22dBm maximum transmit power, -129dBm LoRa sensitivity, up to 300kbps FSK data rate, 1.8V to 3.7V supply, low receive current, SPI communication, and compact SMD construction makes the RFM68LCW-868S2 a versatile solution for long-range and low-power wireless connectivity. The RFM68LCW-868S2 is widely used in smart meters, automatic meter reading systems, wireless sensor networks, IoT nodes, building automation, home automation, agricultural sensors, smart city infrastructure, supply chain and logistics systems, asset tracking devices, street lighting systems, parking sensors, environmental monitoring equipment, industrial monitoring systems, healthcare devices, safety and security sensors, telemetry equipment, and long-range remote control applications.
Product Group	RF and Wifi Module
MOQ	250 pcs
SPQ	250 pcs
Figure/Case	SOM Module
Package	TRAY Pack
PDF	PDF Datasheet
Ship From	Hong Kong
Shipment Way	DHL / Fedex / TNT / UPS / Others
Delivery Term	Ex-Works
Send RFQ	sales@signalhk.com

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