FM Wireless Transmitter Module Professional High Sensitivity Digital Sound Mic Development Board for

Feature: 1. Widely Applicable: The FM wireless transmitter module is suitable for craft enthusiasts, students and electronic engineering professionals to build campus radio stations or all kinds of sound transfer projects. 2. Superior Sound Quality Transfer: The wireless transmitter module has an equivalent noise level of more than 30dB, which ensures that the sound transfer quality is close to CD level, providing a clear and lossless listening experience. 3. Fine Frequency Adjustment: FM wireless transmitter module is equipped with two frequency fine tuning levels of 0.1MHz and 1.0MHz, realizing precise frequency positioning and facilitating quick setting or fine tuning of the transmitter channel. 4. Multifunctional FM Channels: FM wireless transmitter board supports stereo modulation of LINE USB channel and mono modulation of MIC channel, adapting to multiple sound source inputs. 5. Long Distance Transfer Capability: Wireless transmitter module with 75cm standard tie rod antennae, the measured coverage radius in the open field can get 100 meters, effectively expanding the broadcasting coverage. Specification: Item Type: FM Wireless Transmitter Module Material: PCB Size: Approx. 49.2x26.6mm / 1.93x1.04in Chip Size: Approx. 25.8x16.6mm / 1.01x0.65in Output Power: 3mW Sound Frequency Range: 50Hz-18KHz Transmit Frequency: 87.0MHz-108.0MHz for Campus Broadcasting; 76.0MHz-108.0MHz for Campus Broadcasting Frequency Adjustment Step: 0.1mhz/Time (Key Short Press),1.0MHz/Time (Key Long Press) Modulation Mode: Standard FM FM Channel: Line, USB Channel (Stereo), Mic Channel (Mono) Equivalent Noise: >30db (Sound Quality Close to CD Sound Quality) Supply Voltage: DC 3.0v~5.0V Operating Current: 35mA Transmitting Antennae: Approx. 75cm/29.5in Tie Rod Antennae (Not Included) Transmitting Distance: FM Transmitter Module Connected to the Approx. 75cm/29.5in Standard Tie Rod Antennae Radio for Pl 660, Open Field Measured Coverage Radius 100m/328.1ft. Package List: 1 x FM Wireless Transmitter Module Note: Manual measurement please allow some error.