Chi Mei Internet Technology Co. Shanxi brief intercom: RF amplified signal receiving portion will come from the PLL frequency synthesizer circuit of the first local oscillator signal from the mixer and generating a first intermediate frequency signal at the first mixer. The first intermediate frequency signal through the crystal filter to further eliminate clutter adjacent channel. After the first intermediate frequency signal into the filtered IF processing chip, and the second local oscillator signal to generate a second intermediate frequency signal is again mixed, the second intermediate frequency signal is filtered out unwanted spurious signals by a ceramic filter, is amplified and frequency discriminator, generating an audio signal. Audio signal amplification, band-pass filter, de-emphasis and other circuits, to enter volume control circuit and power amplifier amplifies, drive the speaker, Kenwood police walkie-talkie, to give people the information they need. Internet Technology Co., Ltd. Shanxi CMO: North Peak BF-TD501 reliable heavy, police walkie-talkie offer to support digital-analog-compatible, digital encryption, GPS and other functions, innovative style earphone jack contacts with the new upgrade of the vocoder, intercom voice quality significantly upgrade, Jincheng police walkie-talkie farther communication distance. Detached knob design, large-screen LCD display screen, automatic noise reduction, the perfect combination of remote control, so that you are in charge of calm, is greatly appreciated by the public security intercom, school intercom, intercom property, hotel walkie-talkie. Shanxi Jincheng police walkie-talkie _ _ Chimera Internet Technology Police walkie-talkie quotes provided by Chi Mei Internet Technology Co. Shanxi. Shanxi Jincheng police walkie-talkie _ _ Chimera Internet Technology Police walkie offer Internet Technology Co. Shanxi CMO (www.sxqmhl.com) (www.sxqmhl.com) this year introduced a new upgrade, the above picture is for reference only, please call Tel This page or image on to obtain the latest information, contact: Li Chi-ming.