Specification AspectRatio : 16:9 Brand : EBYTE BulletPoint1 : E49-400M20S4 is a cost-efective wireless data transmission module launched by Chengdu Ebyte. It is a pure hardware module based on CMT2300A. BulletPoint2 : E49-400M20S4 supports a maximum transmit power of 20dBm, and users can set a lower output power to save power consumption. BulletPoint3 : E49-400M20S4 works in the 433/470MHz frequency band. With small size and low power consumption. Since this module is a pure RF transceiver module, it needs to be driven by an MCU or a dedicated SPI debugging tool. BulletPoint4 : Application-Smart home and industrial sensors, etc; Security system, positioning system; Wireless remote control, UAV; Wireless game remote control; Healthcare products; Wireless voice, wireless headset; Automotive industry applic ations. BulletPoint5 : Warranty: We have 1 year warranty. If you need user manual or any problems contact with us free. Color : Solar 1.5kw 2hp ConnectivityTechnology : LAN CoolingMethod : Air ExternallyAssignedProductIdentifier : 7320467161711 GraphicsDescription : Dedicated HardwareInterface : usb HumanInterfaceInput : buttons ItemName : EBYTE CMT2300A Wireless Module 433Mhz 470Mhz 20dBm 2.5km E49-400M20S4 Small Size Low Power Consumption CC1101 SI4432 SI4438 Compatible ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : radio-frequency-transceivers KeyboardLayout : qwerty Manufacturer : EBYTE MemorySlotsAvailable : 1 ModelName : MDWXDOFP ModelNumber : E49-400M20S4 NumberOfItems : 1 PartNumber : E49-400M20S4 ProductDescription : Features The measured communication distance can reach 2.5km; Maximum transmission power of 100mW, software multi-level adjustable; Support the global license-free ISM 433MHz band; Support the data transmission rate of 0.5Kbps?300Kbps; Support low power consumption mode, suitable for battery applications; Support GFSK modulation method and OOK and (G)MSK; Support 1.8V~3.6V power supply; Industrial grade standard design, support -40 ~ 85 °C for working over a long time; Support stamp interface, good for secondary development and integration ProductSiteLaunchDate : 2021-12-13T06:41:35.465Z Size : Three Phase 380v SupplierDeclaredDgHzRegulation : not_applicable SystemRamType : ddr_sdram UnspscCode : 43210000 WirelessCommStandard : radio_frequency WirelessNetworkTechnology : unknown