Support ASK / OOK modulation with receiver sensitivity of -108dBm; Operating frequency: 433.92 MHz, bandwidth of approximately 150 kHz; Input voltage range: 2.2V5V; Operating current: 2.1mA (at 5V), 2.1mA (at 3V); Quiescent current: 1A; Low power consumption; Good selectivity and spurious radiation suppression, designed to help meet FCC certification requirements; Effective local oscillator radiation suppression; receiver modules can operate together without mutual interference, maintaining receiving distance; Data transmission rate: typically 2 kHz, up to 10 kHz; Operating temperature range: -40C to 85C; Ultra-small size: 30 x 9 mm (customization available upon request); External antenna: 32 cm single-core wire, coiled into a spiral; Product Model: RX470-4 The RX470-4 is a superheterodyne wireless receiver module designed to receive UHF ASK signals and supports ASK and OOK modulation. It features high sensitivity (-108dBm), low power consumption, and a high dynamic range of 60dB. The module integrates a highly advanced chip with a front-end low-noise amplifier, mixer, filters, and frequency synthesizer circuitry to optimize signal performance. Color: As shown Material: PCB Size: 30 x 9 mm Package Contents: 3 x 433MHz RX470-4 Superheterodyne Receiver Module Note: Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement tolerance: 13 cm.