Brand Produino Model XL4432-SMT Quantity 1 Piece Color Deep Blue Material PCB Chipset XL4432-SMD English Manual / Spec No Other Features Working frequency: 410~440MHz; sensitivity: -120~-121dBm (1.2Kbps); The maximum output transmission power: 20dBm (1.2Kbps 433M); Transmission speed: 0.123~256kbps; Modulation mode: FSK GFSK OOK; Specification Working voltage: 1.8~3.6V; Transmission current: 80mA (200us); Persistent current: 600mA (1.21ms); Temperature: -40~80'C; With XL4432-SMD chipset; Easy operation; Perfect for DIY project Up to 2000 meters transmission range; Supports wireless awake mode; Packing List 1 x Transmission module 1 x Antenna