Industry consulting
There are six big differences between U-segment and V-segment of wireless microphone, the purchasing skills of wireless microphone
Wireless microphones, commonly known as "wireless microphones", are used in campus broadcasting systems, public broadcasting systems, conference speaker systems, and stage audio systems. What kind of wireless microphone do we choose for performance and entertainment amplification projects? Which one is used (U segment) or (V segment)? What kind of wireless microphone do we choose for public broadcasting system and conference system? I believe this problem has been troubling us all along, so what is the difference between wireless microphones and wired microphones? Which is more advantageous? The following BoMo cloth microphone manufacturers will explain the differences and features of wireless microphones.
1. Wireless microphone transmitters transmit different signals
V-band wireless microphone transmitter part of the transmitter carrier frequency is a fixed number of frequencies, using several frequency multiplier circuit to obtain high frequency signal, users can not adjust the frequency on the spot.
Most of the U-band wireless microphone transmitters use phase-locked loop technology to get high frequency signal. The frequency of transmitters and receivers is mostly adjustable for infrared pairing.
2. The frequency band of the wireless microphone is different.
V band due to narrow low frequency range (180MHZ--280MHZ)
U-band range is wider (500MHZ--900MH)
3. Different anti-jamming capabilities
When there is interference signal, V-band wireless microphone is difficult to avoid. U-band wireless microphone can easily avoid various interference by adjusting the frequency of transmitter and receiver. U-segment wireless microphones for professional performance are often made into true diversity, that is, one microphone receives with two antennas, and the probability of breakpoints in the use of U-segment wireless microphones is very small.
4. Receive the transmission signal from the host
The V-band wireless microphone receiver is made into a fixed frequency point. Only the manufacturer can change the frequency, and the user can not adjust it in the field.
The reception frequency of U-band wireless microphone receiver is mostly adjustable, and infrared frequency can be achieved through wireless microphone transmitter.
5. Different signal transmission paths
VHF radio frequency signal transmission reflects small metal objects and can be diffracted. It can penetrate non-metallic objects such as human body; Low loss of feeder, antenna can be extended appropriately; Batteries last longer; It is highly disturbed by VHF TV channels, pagers, letters and industrial pollution such as welding, motors, etc. The usable frequency range is 180-280MHZ, the scalable range is too narrow, the VHF microphone is crowded and has less compatible frequency. The dynamic range of the signal is small.
UHF radio frequency signal transmission reflects more on small metal objects, and multi-channel transmission can form interference. Great attenuation of occlusion to non-metallic objects such as human body; The feed line is lossy, so the receiver should be as close to the microphone as possible. Requires a larger transmission power and shorter battery life; Low high frequency interference; Extensible range, multi-microphone usage, can form a larger system; The dynamic range of the signal is large. Because the U-band is a high-frequency transmission and reception, the requirement for electronic components is higher than that of V-band. The technical content is also much higher. In application, the U-band is not a band with most of the frequencies in daily life, so the chances of interference are greatly reduced. The U segment is wide. More frequency misdivision can be done to achieve the use of multiple frequency points on the same occasion without interference. Why is a U-segment microphone better than a V-segment microphone?
Because of the narrow low frequency range, the V-band is often interfered with each other. More than six bands interfere with each other, and the U-band range is wider, so it can be extended to more than 60 bands before there is interference. In addition to small loading data, V-band sound is not as good as U-band sound. U-band is a high-frequency transmission and reception, so the requirements for electronic components are higher than V-band, and the technical content is much higher. In application, the U-band is much less likely to be interfered because it is not a single band from most of the frequencies in daily life. More frequency misdivision can be done to achieve the use of multiple frequency points on the same occasion without interference. In terms of price, segment V is cheaper and segment U is more expensive.
1. Wireless microphone transmitters transmit different signals
V-band wireless microphone transmitter part of the transmitter carrier frequency is a fixed number of frequencies, using several frequency multiplier circuit to obtain high frequency signal, users can not adjust the frequency on the spot.
Most of the U-band wireless microphone transmitters use phase-locked loop technology to get high frequency signal. The frequency of transmitters and receivers is mostly adjustable for infrared pairing.
2. The frequency band of the wireless microphone is different.
V band due to narrow low frequency range (180MHZ--280MHZ)
U-band range is wider (500MHZ--900MH)
3. Different anti-jamming capabilities
When there is interference signal, V-band wireless microphone is difficult to avoid. U-band wireless microphone can easily avoid various interference by adjusting the frequency of transmitter and receiver. U-segment wireless microphones for professional performance are often made into true diversity, that is, one microphone receives with two antennas, and the probability of breakpoints in the use of U-segment wireless microphones is very small.
4. Receive the transmission signal from the host
The V-band wireless microphone receiver is made into a fixed frequency point. Only the manufacturer can change the frequency, and the user can not adjust it in the field.
The reception frequency of U-band wireless microphone receiver is mostly adjustable, and infrared frequency can be achieved through wireless microphone transmitter.
5. Different signal transmission paths
VHF radio frequency signal transmission reflects small metal objects and can be diffracted. It can penetrate non-metallic objects such as human body; Low loss of feeder, antenna can be extended appropriately; Batteries last longer; It is highly disturbed by VHF TV channels, pagers, letters and industrial pollution such as welding, motors, etc. The usable frequency range is 180-280MHZ, the scalable range is too narrow, the VHF microphone is crowded and has less compatible frequency. The dynamic range of the signal is small.
UHF radio frequency signal transmission reflects more on small metal objects, and multi-channel transmission can form interference. Great attenuation of occlusion to non-metallic objects such as human body; The feed line is lossy, so the receiver should be as close to the microphone as possible. Requires a larger transmission power and shorter battery life; Low high frequency interference; Extensible range, multi-microphone usage, can form a larger system; The dynamic range of the signal is large. Because the U-band is a high-frequency transmission and reception, the requirement for electronic components is higher than that of V-band. The technical content is also much higher. In application, the U-band is not a band with most of the frequencies in daily life, so the chances of interference are greatly reduced. The U segment is wide. More frequency misdivision can be done to achieve the use of multiple frequency points on the same occasion without interference. Why is a U-segment microphone better than a V-segment microphone?
Because of the narrow low frequency range, the V-band is often interfered with each other. More than six bands interfere with each other, and the U-band range is wider, so it can be extended to more than 60 bands before there is interference. In addition to small loading data, V-band sound is not as good as U-band sound. U-band is a high-frequency transmission and reception, so the requirements for electronic components are higher than V-band, and the technical content is much higher. In application, the U-band is much less likely to be interfered because it is not a single band from most of the frequencies in daily life. More frequency misdivision can be done to achieve the use of multiple frequency points on the same occasion without interference. In terms of price, segment V is cheaper and segment U is more expensive.
