433MHZ ISM band. Support 2-, GFSK and MSK modulation. Receiver sensitivity -110dBm at 1200 baud Minimum operating speed 1.2kbps, the highest 500kbps. Separate 64-byte RX and TX data buffer Built-in hardware error detection ensures reliable data transmission. Support RSSI signal strength detection and carrier sense function Low power consumption. Mailing Address (256) Operating frequency can be programmed via SPI. Programmable output power, for all the support frequencies up to +10 dBm WOR feature can be set to standby, the proportion receiving state timer switch time to reduce power consumption Fast frequency synthesizer with proper frequency hopping system Wireless Module Condition: Operating frequency:(Module:387-464MHZ) Working voltage :1.8-3.6V Instantaneous maximum working current: 30ma Maximum transmit power: 10mW (+10dBm) Colour: Blue+Black Material: Metal + Plastic Note: Different production batches may have different appearances but not affect the use Package Contents: 10 x CC1101 Wireless Module (with 10 pcs Long ) 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.