Specification AudioInput : 3.5mm headphone jack, microphone, RCA AudioOutputMode : Stereo AudioOutputType : FM Transmission BatteriesIncluded : 1 Brand : Tangxi BulletPoint1 : Application: This is a short transmitter, mainly used in short radio experiments and tests, understand the principle of modulation. BulletPoint2 : Structure: Mainly consists of power input, sound amplification, sound modulation, 21MHZ high frequency oscillation, Class C high frequency amplification, 21MHZ low pass filter. BulletPoint3 : Power Input: Professional radio transmitter board, C1 to C6 for the filter capacitors, reduce the power supply interference ripples. BulletPoint4 : Sound Modulation: Transformer B1 secondary inductance sound voltage superimposed on the DC power, to get the modulation voltage with the change of the sound source. BulletPoint5 : High Frequency Oscillation: 21MHZ high frequency oscillation, crystal Y1 in the circuit is a parallel resonance, equivalent to the inductor. Color : Charcoal CompatibilityOptions : Television, Computer, Laptop, MP3 Player, Stereo Systems, Sirius XM CompatibleDevices : Remote CompatiblePhoneModels : Dogtra 202NCP gold Transmitter, 210NCP Transmitter, 212 NCP Transmitter, 2200 NCP Transmitter, 2202 NCP Transmitter, 280 NCP Transmitter, 282 NCP Transmitter CompatibleWithVehicleType : All Vehicles with an FM Radio ConnectivityTechnology : USB ConnectivityTechnology1 : Bluetooth ConnectivityTechnology2 : USB ConnectorGender : Female-to-Male ConnectorType : 3.5mm, RCA ControllerType : Button Control ControlMethod : touch ExternallyAssignedProductIdentifier1 : 697067256329 ExternallyAssignedProductIdentifier2 : 0697067256329 HardwareInterface : 3_5_mm_audio Hazmat1 : UN3496 HumanInterfaceInput : buttons IncludedComponents : 1 adapter InputVoltage : 120 volts InstallationType : wired ItemName : Radio Transmitter Board, High Frequency Oscillation Short Low Power Sound Amplification SW Radio Amplifier Kit for DIY Campus Broadcast ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 13 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : mp3-player-radio-transmitters Manufacturer : Tangxi Material : Fiberglass or Composite Epoxy MaximumSupplyVoltage : 9 volts_of_direct_current MediaType : FM Radio MinimumSupplyVoltage : 9 volts_of_direct_current ModelName : Tangxi6uc95bdvo4 ModelNumber : Tangxi6uc95bdvo4 NumberOfChannels : 1 NumberOfItems : 1 OutputPower : 100 milliwatts PackageTypeName : Retail Package PartNumber : Tangxi6uc95bdvo4 PowerSourceType : USB Power Cord AC Power Adapter or Batteries ProductDescription : Spec: Item Type: AM Radio Transmitter Board Material: PCB Power Supply: Voltage DC Power Supply 9V2A; The Whole Current 50 to 80mA Frequency: 21MHZ Crystal Frequency Stabilization Adjustment Amplitude: 45% High Frequency Power: 100mW Modulation: Transformer High Potential Modulation Sound Source: External Sound Source, Available Cell Phones, MP3, Computers, etc. Transmitting Distance: Better Than 10m/32.8ft Production Difficulty: Welding, Without Debugging Applicable: Radio Enthusiasts, Students Experimental Testing
PackageList: 1 x AM Radio Transmitter Board 1 x Screw Package 1 x Instruction Manual 1 x Sound Cable 1 x Antenna