{"title":"Gravity: Digital Wireless Switch Kit - Transmit and Receive (433MHz)","handle":"gravity-digital-wireless-switch-kit-transmit-and-receive-433mhz","url":"/products/gravity-digital-wireless-switch-kit-transmit-and-receive-433mhz","description":"This Gravity wireless switch kit provides simple 433 MHz RF communication between a transmitter and receiver module. Based on digital signal transmission, it offers strong wall penetration, ultra-low standby power consumption, and compatibility with any controller that can read and write digital signals — no complex AT commands or WiFi configuration required.\n\nThe kit supports flexible pairing modes including one-to-many and many-to-one configurations. The transmitter offers 15 button states, and the receiver supports multiple working modes including inching, latching, self-locking, and interlocking.\n\nKey Features\n\n\n433 MHz RF Communication – Certification-free frequency band in most regions\n\n15 Button States – Versatile transmitter control options\n\nFlexible Pairing – One-to-many and many-to-one transmit/receive configurations\n\nMultiple Working Modes – Inching, latching, self-locking, and interlocking\n\nUltra-Low Standby Power – Transmitter draws less than 10 µA in standby\n\nGravity Compatible – Standard Gravity digital interface\n\n\nSpecifications\n\n\nWorking Voltage: 3.3–5.0V DC\n\nWorking Frequency: 433 MHz\n\nStable Range: 15m indoor\n\nTransmitter Current: 10 mA @ 5V (active), <10 µA @ 5V (standby)\n\nReceiver Current: 6 mA @ 5V (active), 3 mA @ 5V (standby)\n\nSignal Type: Digital\n\nInterfaces: 4\n\nTransmitter Size: 47×32mm\n\nReceiver Size: 37×32mm\n\nMounting Holes: 3.1mm inner / 6mm outer diameter\n\n\nIdeal For\n\nRemote control projects\nWireless doorbells\nUpgrading wired buttons to wireless\nWireless signal transmission between controllers\n\n\n\nNote: 433 MHz is certification-free in most regions. Please check your local regulations before use.\n\n\nPackage Contents\n\n1× Gravity Digital Wireless Transmitter Switch (433 MHz)\n1× Gravity Digital Wireless Receiver Switch (433 MHz)\n2× Gravity Digital Sensor Cables\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":3192,"title":"Default Title","sku":"DF-TEL0140-1","price":21.7,"on_sale":false,"in_stock":true,"available_quantity":27,"option1":"Default Title"}]}