0.5 W LCD Digital PLL stereo Low-power FM transmitter

　　 1, uses:This product is the factory, OEM, schools, individuals, car FM radio, the ideal district FM radio broadcasting equipment.

　　 2, performance characteristics:

• Complete machine produced using high-quality aluminum alloy, blue backlit LCD display frequency.
  
• Japan ROHM motherboard for the next-generation integrated NC FM stereo radio chip PLL BH1415F, built-in PLL frequency PLL, audio pre-emphasis, limiter and low pass filter circuit. Make sound more sweet.
  
• AT89C2051 and the control board by the AT24C02 composition; After the two-2SC3355, a 2SC2053 and a total of four power amplifier output after.
  
• Overall shielding good, compact structure, small size, appearance generous.

　　 3, main technical parameters:

• Power supply voltage: DC-15V (12V recommended)
  
• Current work: <1A
  
• Frequency range: 88 ~ 108Mhz (70 ~ 120Mhz can be customized)
  
• Frequency Step value: 100kHz
• Frequency stabilization way: PLL
  
• Frequency stability: ± 10 ppm (-10 ° C +60 ° C )
• Frequency Modulation: ≤ ± 75kHz (100%)
• Work methods: continuous work
• Clutter and Harmonic: less than-60dB
• SNR: ≥ 60dB
• Stereo separation:-50dB
  
• Audio frequency response: 20 to 15000Hz
• Audio distortion: <2%
• Modulation: 15%
• Input Level:-15dBV (adjustable)
• RF output impedance: 50 Ohm
  
• RF output power: 0.5~1 W (near the center frequency of 5MHz)
• Reference range: 500m - 1Km (A barrier-free environment )
  
• Unit dimensions: length of 100mm, 80mm width, and height of 30mm
  
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• 0.5 W LCD Digital PLL stereo Low-power FM transmitter (1pcs) 50 USD + EMS Shipping 35 USD(Shipping scope: USA, UK, Canada, Germany, France, Italy).
  0.5 W LCD Digital PLL stereo Low-power FM transmitter (1pcs) + GP antenna(1pcs) + Power Supply(1pcs)The total price of 78 USD + EMS Shipping 65 USD(Shipping scope: USA, UK, Canada, Germany, France, Italy).
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