Specification Brand : EBYTE BulletPoint1 : E49-900M20S is a cost-effective wireless data transmission module launched by Chengdu Ebyte. It is A pure hardware module based on CMT2300A BulletPoint2 : E49-900M20S Supports the maximum transmission power of 20dBm, users can set a lower output power , thus saving power consumption.The module works in the 850MHz ~ 930MHz frequency band, including the commonly used 868MHz and 915MHz frequency band. BulletPoint3 : Since this module is a pure RF transceiver module, using SPI interface, needs MCU driver. BulletPoint4 : Application-Smart home and industrial sensors;Security, positioning system; Wireless remote control, UAV; Wireless game remote control;Healthcare products;Wireless voice, wireless headset;? Car industry BulletPoint5 : Warranty: We have 1 year warranty. If you need user manual or any problems contact with us free. ExternallyAssignedProductIdentifier1 : 714169302768 ExternallyAssignedProductIdentifier2 : 0714169302768 ItemName : CMT2300A 868MHz 915MHz SMD Wireless Module SPI 20dBm Antenna Interface IPEX/Stamp Hole Distance 3KM E49-900M20S for Smart Home Security UAV Remote Control Surveillance Medical Antomobile Industry ItemPackageDimensions_Height : 11 centimeters ItemPackageDimensions_Length : 0.01 centimeters ItemPackageDimensions_Width : 7.3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : radio-antennas Manufacturer : EBYTE MaximumRange : 2.5 kilometers ModelName : FBA_NSKI-NA771 ModelNumber : E49-900M20S PartNumber : E49-900M20S ProductDescription : [IC]?CMT2300A [Frequency]?850~930MHz [Power]?20dBm [Distance]?3km [Size]?20*14mm [Introduction]?E49-900M20S Supports the maximum transmission power of 20dBm, users can set a lower output power , thus saving power consumption.The module works in the 850MHz ~ 930MHz frequency band, including the commonly used 868MHz and 915MHz frequency band. Features The measured communication distance can reach 2.5km Maximum transmission power of 20dBm?software multi-level adjustable? Supports ISM 868MHz/915MHz band? Supports 0.5Kbps?300Kbps transmission rate? Supports low power mode, suitable for battery? Supports GFSK modulation mode, OOK & (G)MSK? Supports 2.6V?3.6V power supply? Industrial grade standard design, support -40 ~ 85 °C for working over a long time? IPEX and stamp hole optional?good for secondary development and integration. ProductSiteLaunchDate : 2021-09-15T06:58:10.258Z SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 43221700