What Is Bandwidth: 47~862MHz?

Bandwidth refers to the range of frequencies within a given band that can be used for transmitting a signal. In the context of 47~862MHz, this range is significant for various communication technologies, including television broadcasting, radio communications, and wireless networking. The lower end of this frequency range, around 47MHz, is often associated with VHF (Very High Frequency) television channels, while the upper end, around 862MHz, is typically linked to UHF (Ultra High Frequency) channels. Understanding this bandwidth is crucial for engineers and technicians who design and maintain communication systems, as it affects signal quality, transmission distance, and the number of channels available for use. The 47~862MHz range is particularly important in regions where digital television has transitioned from analog, allowing for more efficient use of the spectrum and improved picture and sound quality for viewers. Additionally, this bandwidth is utilized in various wireless technologies, including two-way radios and some forms of mobile communication, making it a vital area of study for professionals in telecommunications.

Applications of Bandwidth: 47~862MHz in Communication Technologies.

The bandwidth of 47~862MHz plays a pivotal role in several communication technologies, impacting how information is transmitted and received. One of the primary applications of this frequency range is in television broadcasting. The VHF and UHF channels within this bandwidth allow for the transmission of high-quality audio and video signals to households. With the shift from analog to digital broadcasting, this bandwidth has become even more critical, as digital signals can carry more information and provide better quality than their analog counterparts. Furthermore, the 47~862MHz range is also utilized in wireless communication systems, including two-way radios and walkie-talkies, which are essential for various industries such as public safety, construction, and event management. These devices rely on the ability to transmit and receive signals over these frequencies to ensure clear communication in real-time. Additionally, this bandwidth is used in some wireless internet technologies, enabling broadband access in certain areas. As the demand for wireless communication continues to grow, understanding the applications of the 47~862MHz bandwidth becomes increasingly important for developing new technologies and improving existing systems.

How Does Bandwidth: 47~862MHz Affect Signal Quality?

The bandwidth of 47~862MHz significantly influences signal quality in various communication systems. Signal quality is determined by several factors, including frequency range, interference, and the technology used for transmission. Within the 47~862MHz range, signals can experience different levels of attenuation and distortion, which can affect the clarity and reliability of the transmitted information. For instance, lower frequencies, such as those closer to 47MHz, tend to have better propagation characteristics, allowing them to travel longer distances and penetrate obstacles more effectively. This is particularly beneficial for television broadcasting, where signals need to reach a wide audience. On the other hand, higher frequencies, such as those near 862MHz, can carry more data but may be more susceptible to interference from physical barriers and other electronic devices. Therefore, engineers must carefully consider the choice of frequency within this bandwidth to optimize signal quality for specific applications. Additionally, advancements in technology, such as digital modulation techniques, have improved the ability to maintain signal quality even in challenging conditions, making the 47~862MHz bandwidth a versatile option for various communication needs.

Future Trends in Bandwidth: 47~862MHz Usage.

The future of bandwidth usage in the 47~862MHz range is poised for significant evolution, driven by advancements in technology and changing consumer demands. As the world becomes increasingly connected, the need for efficient and reliable communication systems continues to grow. One of the emerging trends is the expansion of digital broadcasting, which utilizes this bandwidth to deliver high-definition content to viewers. With the rise of streaming services and on-demand content, broadcasters are exploring ways to optimize the use of the 47~862MHz range to provide better quality and more channels. Additionally, the proliferation of wireless devices, such as smartphones and IoT (Internet of Things) devices, is creating a demand for more bandwidth to accommodate the increasing volume of data being transmitted. This may lead to innovations in frequency allocation and the development of new technologies that can utilize the existing bandwidth more effectively. Furthermore, regulatory bodies are continually assessing the spectrum to ensure that it meets the needs of modern communication, which may result in changes to how the 47~862MHz range is utilized in the future. Overall, the future trends in this bandwidth will likely focus on enhancing signal quality, increasing capacity, and ensuring that communication systems can keep pace with the demands of a connected world.

about bandwidth: 47~862mhz

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bandwidth: 47~862mhz8 factories verified

Hangzhou Fullwell Optoelectronic Equipment Co., Ltd.

Main Products:

Xgs-Pon & CATV Wdm EDFA, Xgs-Pon & CATV Wdm Optical Receiver, Telecom Pre / Line / Booster Edfas, Hfc Optical Transmitter, CATV Edfas, FTTH Optical Receiver, Optical Switch, Sat-TV & CATV Transmitter / Receiver, Fiber Amplifier

Country/Region:

Zhejiang, China

R&D Capacity:

ODM Service

Sample Service:

Sample Available

Company Profile:

Hangzhou Fullwell Optoelectronic Equipment Co., Ltd. Was established in 2005 and is suited in Qimeng Science & Innovation Park, Liangzhu Street, Yuhang District, Hangzhou City. The company is committed to the R&D, manufacturing and sales of triple play integrated optoelectronic equipment. We have a number of software copyrights have been certified by the National Copyright Administration. At the same time, the National Intellectual Property Office has issued a number of utility model patents, and won the title of Zhejiang Province Small and Medium-sized Technology Company. Fullwell has been recognized as the Yuhang District Science and Technology Enterprise R&D Center by Hangzhou Yuhang District Science and Technology Bureau.

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1/4

Hangzhou Softel Optic Co., Ltd.

20 yrs ·4.8

·Trading Company

Main Products:

CATV Products, Fiber Optic Passive, Satellite Equipment, Fiber Optical Transmission Equipment, Digital Headend Equipment

Country/Region:

Zhejiang, China

R&D Capacity:

OEM/ODM Service

Sample Service:

Sample Available

Company Profile:

Hangzhou Softel Optic Co., Ltd. (Brand: SOFTEL) was established in 2006, which Located in the HangZhou Hi-Tech Development Zone. Taking advantage of the modern broadcast and optic fiber communication technology, we are specializing in R& D of CATV system equipment, and leading manufacturer of HFC broadband Optic Transmission equipment with strong R& D capability in this field.

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CATV Fiber Optical Receiver FTTH Passive Node with Wdm

US$3.00-4.00

1 Piece(MOQ)

High Quality Hfc CATV 1310nm 24MW Optical Transmitter Price

US$300.00-1,000.00

1 Piece(MOQ)

Hfc Network 1310nm Fiber Optical Transmitter 32MW

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1 Piece(MOQ)

FTTH Optical Cable TV Externally Modulated Transmitter with AGC

US$2,560.00-2,585.00

1 Piece(MOQ)

1/4

Hangzhou DAYTAI Network Technologies Co., Ltd.

5.0

Main Products:

Optical Receiver, PLC Splitter, Sc Fast Connector, Fiber Optic Distribution Box, ADSS Fiber Optic Cable, Optical Closure, Fiber Optic Cable Clamps, Olt ONU, EDFA, FTTH Drop Cable

Country/Region:

Zhejiang, China

R&D Capacity:

OEM/ODM Service

Sample Service:

Sample Available

Company Profile:

About us:

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2-Port 0utpu Amplifier Module FTTH Optical Receiver

US$2.50-23.00

1 Piece(MOQ)

Direct Modulation Video Audio Transmitter Optical Transmitter with AGC

US$480.00-980.00

1 Piece(MOQ)

20km Transmission Distance 1550nm Direct Modulation Optical Transmitter

US$489.00-759.00

1 Piece(MOQ)

30/40/43/47/50/54/65/85~1000 MHz F Male to F Female High Pass Filter for CATV

US$0.10-1.90

1 Piece(MOQ)

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Catcast Technology Co., Ltd. (Chengdu)

10 yrs ·5.0

·Trading Company

Main Products:

Modulator, Encoder, IP Gateway, IRD, Optical Transmmitter, EDFA, IPTV System Server, Set Top Box

Country/Region:

Sichuan, China

Company Profile:

CatCast Technology Co., Ltd. Has been specialized in the research, manufacture, sales and engineer service of CATV, IPTV and fiber optical transmission equipments for more than 20 years in Chengdu, China.

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CATV Direct-Modulated Optical Transmitter RF Into 1310nm/1550nm Optic Signal 15/25/35km

US$400.00-700.00

1 pieces(MOQ)

CATV 32 in 1 IP to H. 264 H. 265 PAL NTSC Stereo Audio Analog Modulator

US$1,600.00-2,200.00

1 pieces(MOQ)

CATV RF Into 1310nm/1510nm Optical Signal Direct-Modulated Transmitter FTTH 10dBm 25km/35km Transmission

US$400.00-600.00

1 pieces(MOQ)

CATV 64 in 1 IP to Analog RF Modulator NTSC PAL Secam

US$1,680.00-2,200.00

1 pieces(MOQ)

SHG Communication Technology (Hangzhou) Ltd.

5.0

Main Products:

Fiber Optic Cable, LAN Cable, Coaxial Cable, Fiber Optic Patch Cord, CATV Amplifier, Optical Transmitter, Optical Receiver, PLC Splitter, Connector, FTTH Cable

Country/Region:

Zhejiang, China

R&D Capacity:

OEM/ODM Service

Sample Service:

Sample Available

Company Profile:

SHG is aiming to manufacture quality warranty CATV & Optical fiber products, include communication cables & wires, researching and developing optical equipments, CATV equipments and headend equipments and network accessories. With ISO9001: 2000 certification, also achieved some international certificates such as ETL, CE, RoHS, REACH.

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1550nm DWDM Wavelength Qam Directly Modulated Fiber Optical Transmitter

US$1,100.00-1,300.00

1 Piece(MOQ)

Indoor RS-232 Interface CATV Optical Receiver

US$320.00

1 Piece(MOQ)

1/4

ZHENGZHOU LEHENG ELECTRONIC TECHNOLOGY CO., LIMITED

5.0

Main Products:

Gpsgnss Antenna, 5g Antenna, High Precision GPS Antenna, 3G Antenna, LTE Antenna, Lora Antenna, WiFi and WLAN Antenna, Assembly Parts, Coxial Connector, GSM Antenna

Country/Region:

Henan, China

R&D Capacity:

OEM/ODM Service

Sample Service:

Sample Available

Company Profile:

Zhengzhou LEHENG Electronic Technology Co., Ltd was established in the year 2016, it is located in Zhengzhou, Henan, China, which is the central plains, it is the largest logistics transportation and transit center in Asia. Our company passed QMS CERTIFICATE OF REGISTRATION: ISO9001: 2015.

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Indoor High Quality HDTV Digital TV Antenna

US$2.38-2.50

500 Pieces(MOQ)

1/4

Grandway Electronics Limited

Main Products:

CATV, CATV Transmitter, Optical Receiver, Optical Node, CATV Optical Reciever, Hybrid Module, Optical Transmitter, EDFA, Optical Amplifier, Trunk Amplifier

Country/Region:

Shandong, China

R&D Capacity:

OEM Service

Sample Service:

Sample Available

Company Profile:

Grandway Electronics Limited engaged in designing, researching, manufacturing and marketing CATV HFC network equipments and now it is one of the biggest enterprises in the field of CATV equipment in China.

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CATV 1310nm Optical Transmitter (GW-OT3000)

Negotiable

1 Carton(MOQ)

1550nm Internal Optical Transmitter

US$225.00-400.00

1 pc(MOQ)

CATV - Four Way Optical Receiver (GW-SOR706)

Negotiable

1 Carton(MOQ)

CATV Two - Way Optical Receiver (GW-SOR400)

Negotiable

1 Box(MOQ)

Zhejiang BC & TV Technology Co., Ltd.

27 yrs

·Manufacturer/Factory & Trading Company

Main Products:

Optical Transmitter, Optical Communication Equipment, CATV Network Equipment, Optical Receiver, Optical Node, Edfa

Country/Region:

Zhejiang, China

R&D Capacity:

OEM/ODM Service

Company Profile:

Zhejiang BC&TV Technology Co., Ltd. is a leading manufacturer specialized in providing digital TV headend, optical equipment, CATV network equipment, digital/analog TV meters, and Ethernet equipment for clients from all over the world.

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