Features: Experience long distances communication with the module, supporting transmission ranges up to 1000meters, making it good for extensive wireless networking deployments. This module features low power consumption and a stable protocol, ensuring reliable data transmission and extended battery lifes, perfect for long terms iot applications. Designing for iot developers, electronics enthusiasts, and enterprises research and development team. Perfect for intelligent home integration, industrial automation, and agricultural monitoring, this module facilitates seamlessly device interaction and remote control across various environment. The module easily integrates into diverses devices, offering high sensitivity reception and multiple io interfaces for expanded functionality. Specifications: Component:PCB Size:Approx.15.5x33.5mm/0.59x1.34inch Chip selection: CC2530F256RHAR Working frequency: 2400~2450ΜΗz Transmit power: 20dBm Transmission rate: up to 3300Bps Transmission distance: 1000m (outdoor unobstructed environment test) Working voltage: 2.8V~3.5V Working current: less than 50mA Communication interfaces: UART serial port (supporting 8 bauds rates: 2400/4800/9600/14400/19200/38400/57600/115200). Receiving sensitivity: -97dBm Point-to-point bit error rate: 0.00% Broadcast bit error rate: 0.50% Working temperature:-40°C~80°C Package Includes: 1 Set Wireless Module note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.