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Module CC1101 is a high-performance 855-925MHz wireless communication module for M5Stack Core series expansion. It uses the E07-900M10S module solution with a built-in CC1101 low-power Sub-1 GHz RF transceiver, providing stable wireless data transmission with efficient power consumption.
Module CC1101 communicates through SPI and supports 2-FSK, 4-FSK, GFSK, MSK, ASK and OOK modulation modes. Its CC1101 RF transceiver includes independent 64-byte RX FIFO and TX FIFO buffers, RSSI, LQI and up to -109 dBm receive sensitivity at a 1.2kbps rate.
Module CC1101 provides an external SMA antenna interface, an included 2.5dBi rubber antenna and onboard DIP switches for flexible pin selection on the M5-Bus. The DIP switch design lets Module CC1101 adapt to different controller devices and helps multiple stacked modules share the bus for wireless control, smart home and automation projects.
| RF Transceiver Module | E07-900M10S module based on CC1101 |
| Operating Frequency | 855-925 MHz |
| Communication Interface | SPI |
| Programmable Bit Rate | 0.6-500kbps |
| Antenna | Rubber antenna @ 2.5dBi, length 110 x 8mm |
| Communication Range | 430m, frequency 868MHz, bandwidth 58kHz |
| Transmit Power | +10 dBm |
| Receive Sensitivity | Up to -109 dBm |
| Sleep Power Consumption | DC 5V @ 26.48uA |
| Standby Power Consumption | DC 5V @ 1.74mA |
| Working Power Consumption | Receive mode: DC 5V @ 17.11mA; transmit mode: DC 5V @ 30mA; sleep mode: DC 5V @ 26.48uA |
| Product Size | 54.0 x 63.6 x 13.1mm |
| Product Weight | 15.8g |
| Package Size | 134.0 x 95.0 x 15.7mm |
| Gross Weight | 38.9g |
The SW-marked pins on the lower M5-Bus can be switched through the DIP switches so Module CC1101 can adapt to different controller devices. GD00 and GD02 share the same three selectable IO options, so choose different pins to avoid functional conflicts.
| SPI | MOSI, MISO and SCK are fixed on the M5-Bus, while CSN is switch-selectable. |
| Interrupt Pins | GD00 and GD02 are switch-selectable M5-Bus pins and should not use the same selected IO at the same time. |
| Power Pins | Module CC1101 uses 5V and HPWR pins on the M5-Bus. |
| Stacking | The DIP switch layout supports stacked module use when pin conflicts are avoided. |
The schematic, model size PDF, CC1101 datasheet, E07-900M10S manual, Arduino resources and UiFlow2 documentation are provided in Resources for hardware integration and software development.
Module CC1101 is used for Sub-1 GHz wireless communication, industrial automation, smart home control, automatic lighting and robotics telemetry.
Module CC1101 supports an operating frequency range of 855-925MHz.
Module CC1101 uses an SPI communication interface through the M5-Bus.
The package includes one SMA rubber antenna rated at 2.5dBi.
Use the DIP switches to select compatible M5-Bus pins for CSN, GD00 and GD02, and avoid assigning GD00 and GD02 to the same selectable IO.