Wide Frequency Support: Operates in 868MHz and 915MHz ISM bands, suitable for a variety of regional standards and applications. CC1101 Transceiver Chip: Built around the well-known TI CC1101 RF transceiver, offering stable performance, high sensitivity, and flexible configuration. SPI Interface: Standard SPI communication interface for easy connection to common MCU platforms such as Arduino, STM32, ESP32, and other microcontrollers. Low Power Consumption: Designed for battery-powered and low-power applications with multiple power-saving modes to extend device operating time. Configurable Data Rate & Modulation: Supports various data rates and modulation schemes, allowing flexible adjustment between range, reliability, and speed. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Color: As Shown Material: PCB Package Contents: 1*E07-900MBL-01 module 1*Antenna 1*USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.