Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si RF1101SE Micropower Wireless Data Transmission Module Uses Ti'S High-Performance Cc1101 Wireless Communication Chip (An Improved Version Of The Cc1100 Chip, Which Is Cc1100 And Can Be Replaced Seamlessly With The Same Procedure). The Maximum Transmission Rate Can Reach 500Kbps, And The Baud Rate Can Be Modified By Software. The Transmission Distance In Open Areas Can Reach 200-300 Meters, And It Has Functions Such As Wireless . Sensitivity Reaches -110dBm, High Reliability,Can Be Widely Used In Short-Distance Wireless Communications In Various Situations (Such As Wireless Meter Reading, Industrial Remote Control, Low-Power Handheld Devices, Etc.)Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use The Actual Transmission Distance In Open Areas Can Reach More Than 200m (Depending On The Specific Environment And Communication Baud Rate, Etc.) Description: Working Voltage: 1.8V~3.6V, 3.3V Operation Is Recommended Working In The 433Mhz Frequency Band, License-Free Use High Operating Rate 500kbps, Supports 2-, GFSK And MSK Modulation Methods The Baud Rate Parameters Can Be Modified By Software To Better Meet Customer Requirements Under Different Conditions. High Baud Rate: Faster Data Transfer Rate Low Baud Rate: Stronger Anti-Interference And Penetration Capabilities, Longer Transmission Distance High Sensitivity (-110dbm At 1.2kbps,1% Packet Error Rate) Built-In Hardware Error Detection And Point-To-Multipoint Communication Address Control Lower Current Consumption (RX Medium,15.6mA,2.4Kbps,433Mhz) Programmable Output Power, Up To +10dbm For All Supported Frequencies Wireless Function, Supports Low-Power Electromagnetic Wave Activation Function, Wirelessly Wakes Up Devices In Low-Power Sleep State Support Automatic Clearing ChannelAccess () Before Transmission, That Is, Carrier Sensing System Suitable Frequency Hopping System Brought By Fast Frequency Changing Synthesizer The Module Address Can Be Set By Software, And Software Programming Is Very Convenient. Standard Dip Spacing Interface, Convenient For Embedded Applications Separate 64- Rx And Tx Data Fifos Material: PCB+metal+plastic colour: As Shown Package Contents: 1 x Wireless Module (With Antenna) 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.