87-108MHZ DSP PLL FM Transmitter Module FM Sound Audio Transmitter Module Miniature Digital FM Radio

Features 1 Adopt advanced digital audio signal processing DSP technology and FM modulation phase locked loop PLL to make the sound more realistic and the performance more stable 2 The LCD display is more intuitive and accurate with very low power consumption and noise interference 3 Full digital control more convenient operation making the product more stable and durable 4 16 level digital volume5 USB computer audio broadcast6 Digital Controller7 Digital noise reduction8 Close to CD qualitySpecification Output power 100mWAudio Response 50Hz 18KHzTransmission frequency 87 0MHz 108 0MHzModulation Mode Standard FM RadioChannel LINE USB channel stereo MIC channel mono Equivalent noise 30dB sound close to CD quality Power supply voltage DC 3 0V 5 0VWorking current 35mATransmitting antenna 75cm telescopic antennaTransmission distance 75 cm standard whip antenna connection radio Tecsun PL 660 measuring 100 meters in open land Size Approx 26 5x49mm 1 04 x 1 93 Instructions for use 1 PowerThe module corresponds to the port then the negative and positive pole of the power supply battery it is recommended to use a battery or other power supply for power supply You cannot use switching power supplies without filters such as low quality switching power supplies such as mobile phone chargers otherwise the power generated by interference will affect the normal operation of the module The normal working voltage of this module is 3 0 5 0V