FM2032 MINI FM Transmitter Wireless Microphone Transmitter FM Broadcast Module Battery-Powered Wireless Audio Transmission

CR2032 Battery-Powered FM Wireless Microphone Transmitter | Mini FM Broadcast Module | PLL SynthesizedOperating Frequency: FM (88-108MHZ Random 96.7MHZ ,100MHZ,105.6MHZ,109MHZ )    Fixed frequency random frequency shipmentProduct DescriptionUltra-compact FM transmitter module powered by a single CR2032 coin cell battery.  This miniature PLL-synthesized transmitter operates within the standard FM broadcast band (88-108MHz) with multiple preset frequency options. Featuring efficient bottom-loaded antenna design and stable frequency output, it's perfect for wireless audio transmission, educational  projects, and short-range broadcasting applications.Key FeaturesCompact Power: Single CR2032 coin cell operationPLL Synthesis: Stable frequency output with minimal driftMultiple Frequencies: 4 preset options within FM bandEfficient Antenna: 17cm bottom-loaded design for optimal radiationMiniature Design: Ultra-small form factor for discreet applicationsSimple Operation: Plug-and-play with no complex setup requiredTechnical SpecificationsPower Supply: DC 2-3.6V (CR2032 lithium coin cell)Operating Current: 28mA ±5mAFrequency Range: FM 88-108MHzPreset Frequencies:96.7MHz100.0MHz105.6MHz109.0MHzOther frequencies randomly assignedModulation: WFM (Wide FM, compatible with standard FM radios)Output Power: <10dBm (approximately 10mW)Antenna: 17cm bottom-loaded wire for efficient radiationTransmission Distance: 50-100+ meters (depending on receiver sensitivity and environment)Performance CharacteristicsFrequency Stability: PLL synthesis maintains stable outputAudio Quality: Wide FM modulation for clear audio receptionBattery Life: Dependent on CR2032 capacity and usage patternsEnvironmental Factors: Distance varies with:Receiver sensitivityPhysical obstructionsRadio frequency interferenceAntenna orientationApplicationsWireless microphone systemsEducational electronics projectsShort-range audio broadcastingToy and model audio transmissionPersonal FM broadcastingAudio monitoring systemsSetup & OperationBattery Installation: Insert fresh CR2032 battery observing polarityFrequency Selection: Module preset to specific frequency (check labeling)Antenna Deployment: Extend 17cm wire antenna fullyAudio Connection: Connect microphone or audio source to inputReception: Tune standard FM radio to matching frequencyTransmission OptimizationClear Line of Sight: Maximizes transmission distanceAntenna Orientation: Vertical positioning typically works bestReceiver Quality: High-sensitivity radios achieve longer rangeEnvironmental Awareness: Avoid metal structures and dense materialsPackage ContentsFM transmitter moduleNote: CR2032 battery typically not included - requires standard 3V lithium coin cell.