DSP 87 108MHz Digital Ham Radio Microphone Stereo FM Transmitter Module Board - $14 - (Millersport, OH)
Quality Parts and Accessories - FAST Shipping from OhioUsually at your door in 1-3 business days SAME day SHIP...SAME day drop at the POST OFFICE... Features:Advanced digital audio signal processing (DSP) and FM phase-locked loop modulation technique (PLL) ensure less sound distortion and more stable performance.LCD display is more intuitive and accurate, and has very low power consumption and tiny noise interference.Built-in 30-class digital volume adjustment can easily complete volume adjustment by pressing buttons.Automatic storing data when the power is out.Automatic switching from multichannel audio inputs.Using quartz crystal for frequency stabilization, and emission frequency will not drift when temperature changes.Support serial port command control. Specifications:Output Power: 100mWFrequency Response: 50Hz to 18KHzEmission Frequency: 87.0MHz to 108.0MHz(close campus broadcast), 76.0MHz to 108.0MHz(open campus broadcast)Frequency Adjustment: 0.1MHz each time press button press, 1.0 MHz each time long press(press and hold) buttonModulation Mode: Standard FMChannel: LINE/USB (stereo), MIC (single channel)Equivalent Noise: =30dBInput Voltage: DC 3V to 5VCurrent: 35mAEmission Distance: 100 meters(for reference only, tested with 75cm antenna on open ground).Size: 49 x 26.5mm / 1.93 x 1.04" Display Size: 24 x 15mm / 0.94 x 0.59" Suitable for: FM radio, wireless microphone, computer audio emission (connect through USB) You will receive:1 x transmitter (as pictured & described)FAST Shipping from OhioUsually at your door in 1-3 business days
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From ebay.com - 1 month ago