Mini FM Transmitter Module Wireless Microphone Single Channel Board SPESIFIKASI Output Power: 10mW Power supply: DC 3V-5V Maximum SPL: 130dB (aT1kHzTHD1%) Microphone Frequency response: 50Hz-10KHz (mono) PC Audio Frequency Response: 20Hz-20KHz (stereo) Transmission frequency: 87.0MHz-108.0MHz Equivalent noise: 30dB ISI PAKET - 1x Mini FM Transmitter Module Wireless Microphone Single Channel Board