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1W/7W Stereo FM Transmitter Sender Radio Broadcast Station PLL LCD With Antenna

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1W/7W Stereo FM Transmitter Sender Radio Broadcast Station PLL LCD With Antenna
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Introduction

•  The product crust is made of high-quality aluminum, which also is the heating panel of power amplifier RD06HVF1, with blue backlight LCD to display five digits of frequency.

• The motherboard is applied with chip BH1415F, which is the new-generation integrated NC FM stereo radio chip by ROHM, built-in PLL frequency, audio pre-emphasis, limiter and low pass filter circuit. Make sound more sweet.

•  The control board is designed with high performance MCU STC series,its performance is better than AT89C2051.

• With microphone and audio input of the amplifier, adjustable input level. Transmitting power can switch between 1W and 7W. (How to switch? Press and hold the power switch button then plug in the power, when the LCD display L or H, then release the power button. By the buttons + and - to switch the transmitter power.)

• Good shielding, compact structure, small size, generous appearance.

• Notes: Inner circuit board version may vary (slightly modifications)

 

ATTENTION: Connect antenna first before connecting transmitter to DC supply, otherwise, transmitter will be burned out.

 

Technical Specification

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• Power supply voltage: DC 9-15V (12V recommended)

• Operating current: Less than 2A

• Frequency range: 76.0 ~ 108.0Mhz

• Frequency step: 100kHz

• Frequency stabilization method: PLL

• Frequency stability: ± 10 ppm (-10 ° C to +60 ° C )

• Frequency deviation: Less than ± 75kHz (100%)

• Working method: Continuous

• Clutter and Harmonic: Less than -60dB

• SNR: More than 60dB

• Stereo channels crosstalk: -50dB

• Audio frequency response: 20 to 15000Hz

• Audio distortion: Less than 2%

• Modulation: 15%

• Input level:-15dBV (adjustable)

• RF output impedance: 50 Ohm

• RF output power: 1W/7W (Power can be switched)

• Reference range: 2 Km - 4Km ( in barrier-free environment with GP antenna)

• Size: 160mm(L) * 95mm(W) * 54mm(H)
 

Package include: 
-FM Transmitter *1
-Professional antenna *1
-Power supply *1
-Power cord *1
-Audio cable *1
-English manual *1 
 

Front and back panel:

1. AUDIO INPUT LEVEL: controls the audio input level(Tuner)
2. AUDIO INPUT: connect your audio source here(Input level:-13dbv;Connector:3.5mm)  
3. DC POWER SWITCH: turns the transmitter ON or OFF

4. FREQUENCY UP: transmitting frequency UP

5. FREQUENCY DOWN: transmitting frequency DOWN

6. MIC INPUT: connect your Electret condenser microphone here (Connector: 3.5mm)

7. MIC INPUT LEVEL: controls the MIC input level (Tuner)

8. FREQUENCY DISPLAY: Displays the programmed transmitting frequency (76.0-108.0MHz)

9. DC INPUT: Connect the DC adaptor (supplied) here (12V 3.3A)

10. CPU FAN

11. TRANSMITTING Connector: Connect the GP antenna (50ΩBNC)
 

Power switched: Press and hold the power switch button then plug in the power, when the LCD display L or H, then release the power button. By the buttons + and - to switch the transmitter power. (L=1W H=7W)

Frequency range set:
After finishing power setting it will go into frequency range set mode and there will be a set of data on the LCD which is the high-end of the operating frequency . For example, if you want to set the operating frequency from 90MHz~100MHz, you could adjust the data to 100.00MHz by press the button of “+” “-”,Press “DC POWER SWITCH” button, Then you can set the low frenquency to 90.00MHz in the same way. Accomplish your setting by press the “DC POWER SWITCH” button after that. (Attention: low frenquency should lower than the high frenquency)
Average rating: 5.0
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