CZE-7C 7W stereo PLL FM transmitter and 50 similar items

Introduction: This FM stereo transmitter can be used for factories, schools, supermarkets, farms, Office space or create your own radio station. CZE-7C using advanced modulation system and built-in PLL frequency, audio pre-emphasis, limiter, and low-pass filter circuit. The Control circuit board design and amplifier design to reduce noise, so sound quality is even better. Well-shielded, compact structure, small size, generous appearance, plug and play, very easy to use. Specification: Phase Lock Loop (PLL) System Easily choose your frequency LCD and buttons Freq range :88MHz~108MHz RF output impedance: 50 Ohm (BNC Type antenna output) RF output power:1.5W/7W (Power can be switched) Reference range: .0.5 Km - 2Km (A barrier-free environment) Ripple or harmonic waves: = -60dB SNR: More than 60dB Tuning Step : 100khz Stability of Frequency: 5ppm Less than 10ppm ( better system) Freq. Response: -55dB(100~5000Hz); -45dB(5000 ~ 15000Hz ) Audio Input Connector: 3.5mm headphone connector Microphone jack; it can be connected wih the microphone Stereo channels crosstalk: -50dB Audio frequency response: 20 to 15000Hz Audio distortion: Less than 2% Modulation: 15% Power supply voltage: DC 10-14V (12V recommended) Operating current: Less than 2A Unit dimensions: 128mm(L) * 93mm(W) * 55mm(H) Usage notice: * Connect antenna first ,then connect the power supply, otherwise, transmitter will be burned out. * Select an unused FM station in your area. * Setup steps: 1, hold down power button then connect to power supply. the LCD screen will display H(7W) or L(1W), press "+" or "-" to switch it. 2, press power button to set frequency upper limit and lower limit. 3, restart fm transmitter. Please notice: It not include power supply. please prepare a 12V 2-3A power supply for it. Packing included: CZE-7C 7W FM Transmitter x1 Indoor TNC metal antenna x1