DSP PLL 87-108Mhz Stereo FM Transmitter Module Digital LCD Display Wireless Microphone Board Multi-function Frequency Modulation

The use of advanced digital audio signal processing (DSP) technology and FM modulation phase-locked loop (PLL) to make them sound more realistic, more stable performance, long working hours without frequency offsetThe LCD display is more intuitive and accurate, with very low power consumption and minimal noise interferenceBuilt-in 16 digital volume adjustment button operations can be easily completed.SpecificationsOutput Power500mW (drive headphones), 3W (drive speakers)Frequency Range50Hz-18KHzClose Campus Radio87.0MHz-108.0MHzOpen Campus Radio76.0MHz-108.0MHzEquivalent Noise≥30dBInput Supply Voltage (VDC)3 ~ 5Length (mm)50Width (mm)30Height (mm)15Weight (gm)25Shipment Weight0.025 kgFeatures:With automatic station search and store radio features, easy to operate and use.Built-in 30 digital volume adjustments, the key operation can be easily completed.Automatic power-down data memory before the power failure.Speaker/headphone output automatic switchingSupports serial AT commands.Quartz crystal frequency stabilization, the temperature change is no longer transmitting frequency drift.Auto search for the full-band signal has a frequency band and stores memories.You can set the threshold processing DSP digital squelch, no signal automatically muted, away from the traditional FM radio irritability rustle (requires the user to open the static noise function module).Package Includes:1 x DSP PLL 87-108Mhz Stereo FM Transmitter Module Digital LCD Display Wireless Microphone Board