Telemetry Receivers and Telemetry Transmitters from RS Components, Ltd.


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The RFM68W-433 is a very low-cost short-range 433MHz ISM-band transmitter module.The RFM68W may be used without the requirement for configuration via an MCU. However, when connected to an MCU, the communication link parameters may be re-configured, including output power, modulation format and operating channel.
Carrier Frequency range: 380 to 450MHz. RF Output Power: +10dBm or 0dBm. Modulation: FSK or OOK. Data rate: Up to 100kbps. Low BOM Fully Integrated Tx. Fractional-N PLL with 1.5 kHz typical step. Frequency agility for FHSS modulation. Single serial I/O pin. Power supply: +1.8 to +3.7Vdc. Operating temperature range: -20 to +70°C. Dimensions: 14.5 x 15 x 1.7mm. FCC Part 15.247 DTS Mode compliant. Applications: Remote Keyless Entry (RKE), Remote Control / Security Systems, Local communication for the Internet-of-Things (IoT)
Module Type = Transmitter
Supported Frequency Bands = 433 MHz
Modulation Technique = FSK, OOK
Maximum RF Data Rate = 100kbit/s
Maximum Output Power = +10dBm
Supported Bus Interfaces = TWI
Supply Voltage = 1.8 - 3.7V
Dimensions = 15 x 14.5 x 1mm
Height = 1.7mm
Length = 15mm

Product Category
Telemetry Receivers and Telemetry Transmitters
Device Type
Performance Specifications
Operating Frequency
433 MHz
Data Rate
100 kbps
Output Power
10 dBm

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RF Modulation
Power Source
Supply Voltage
Communication Interface

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