DTT Transmitter - Gospell Digital Technology Co., Ltd.

Product OverviewGospell’s GQ-3800A is a highly reliable single-channel DVB-T2 modulator, which is compliant with the EN 302 755(DVB-T2) standard, and is designed for digital terrestrial distribution by DTT network operators and TV broadcaster. GQ-3800A adopts the state-of-the-art hardware design, benefitting from Gospell’s years of experience in the digital broadcast network solution design. It offers high grade broadcast RF signal quality and includes Adaptive Digital Pre-Correction (ADPC) to optimize the transmission efficiency and compensates automatically power amplifier non-linear distortion. A built-in GPS/Glonass receiver can be included to ease broadcast operation.GQ-3800A supports the broadcasting in single PLP and multiple PLP. It provides TS-Modulator Interface (T2-MI) over ASI and IP to receive configuration and synchronization information from the DVB-T2 Gateway. It also supports MISO transmission to improve SFN broadcasting.GQ-3800A features a wide range of RF modulation ...

2018 - 01 - 09

GT-5900-OD Outdoor UHF Terrestrial DTV Transmitter/Gap filler

Product OverviewGOSPELL’s GT-5900-OD is an outdoor UHF Digital Terrestrial Television (DTT) transmitter, and is designed for small areas coverage and (or) gap filling application in DTT network. GT-5900-OD has combined many design concepts from our rich experience in terrestrial television broadcasting, bringing service providers a network which has superior efficiency, stability and reliability. These models support various modulation standards of digital terrestrial television, such as DVB-T/H, DVB-T2, DTMB, ATSC, ISDB-T/Tb, also it can operate in SFN mode enabling less frequency resource is used.GT-5900-OD adopts advanced LDMOS amplifiers and has a compact structure that enables the broadcaster or network operator to have reduced site acquisition and energy cost in their DTT network. In order to minimize the attenuation of RF output power in the feeder cable, the unit can be fixed on top of the tower of the base station by a pole mounted kit that can greatly shorten the length of th...

2017 - 10 - 08

GT-5330 Indoor monitoring unit

Product DescriptionGospell GT-5330 indoor monitoring unit is one of the core devices of Gospel launch monitoring system. It receives the detection information from the transmitting device through the TCP / IP interface and judges whether it needs to be switched according to the device status and issues related commands to the transmitting system . At the same time, the device status is transmitted to the remote management center and accepted by the remote management center for analysis after various control commands are sent to the transmitting system to implement the transmitting system management. Device built-in signal switch to complete the transmitter input signal switching. The device is mainly used in the GaussBel UHF1 ~ 300W transmitter standby switch system.Equipment application diagramTechnical specifications General specificationsSize( W * H * D )483*88*300mm(19吋2U)Weight5KGoperating temperature range0~40°CStorage temperature range-25~85℃Ambient humidity range10%~9...

2017 - 08 - 21

GT-5321 GPRS Wireless Router

Product DescriptionAs one of the core equipment of launch monitoring system, Gospell GT-5321 GPRS wireless router receives the status information from the transmitting equipment through TCP / IP interface and transmits it to the remote management center through the wireless communication network. At the same time, the remote management The various control commands issued by the center to the launch system are important equipment for implementing the wireless remote management of the launch system. The device is mainly used in Gospell UHF 1 ~ 1600W transmitter GPRS remote monitoring system. Equipment application diagramTechnical specifications General specificationsSize( W * H * D )220*320*105mmWeight3KGoperating temperature range0~35°CStorage temperature range-25~85℃Ambient humidity range10%~90% No condensationPower SupplyInput voltageDC 12V( Recommended by the transmitter monitoring data output interface power supply )AC 220V&#...

2017 - 08 - 21

GT-5320 GPRS wireless monitoring unit

Product DescriptionAs one of the core equipment of launch monitoring system, GT-5320 GPRS wireless monitoring unit of Gospell receives the status information from the transmitting equipment via the RS232 serial port and sends it to the remote management center through the wireless communication network. At the same time, the remote management center Various control instructions issued to the launch system, is to achieve a wireless remote management system launch an important device. The device is mainly used in Gospell UHF 1 ~ 300W transmitter GPRS remote monitoring system。 Equipment application diagramTechnical specificationsGeneral specificationsSize( W * H * D )220*320*105mmWeight3KGoperating temperature range0~35°CStorage temperature range-25~85℃Ambient humidity range10%~90% No condensationPower SupplyInput voltageDC 12V( Recommended by the transmitter monitoring data output interface power supply )AC 220V±10% 50HzPower consumption1WElectric...

2017 - 08 - 21

GS-9011 Wireless system monitoring and management platform

Software FunctionsGeographic Information ManagementGeographical information in the page, according to the geographical location, more specific display of the firing point of the launch site. Alarm information layered display, clear. The whole country can see the alarm situation of all provinces, the province can view the alarm situation of all cities and the city can see the alarm situation of all launch sites in the city. In addition, in the map, the transmitting station and equipment can be directly added, deleted, changed and other operations can be directly transferred to the equipment monitoring information, convenient and quick.Monitoring and managementView the running status of the equipment in real time and realize the manageable and controllable of the equipment. It can send monitoring instruction, alarm threshold and control instruction to the equipment, and control the corresponding monitored equipment through the terminal to realize remote on / off and reset of the equipmen...

2017 - 08 - 19

GT-5900-3000 High Power Air-Cooled UHF Terrestrial DTV Transmitter

Product OverviewGospell’s GT-5900-3000 is a high power air-cooled UHF terrestrial DTV transmitter which combines up to eight power amplifier modules with a maximum 3000W of output power. It has superior performance and enhanced efficiency by adopting a series of technologies. It can work in any frequency within the UHF span, and the transmitting bandwidth is up to 80MHz.This series of products has an optimized design in forced air cooling and architecture, with lower noise, higher efficiency and outstanding anti-interference performance; GT-5900-3000 series can support a wide range of Digital Terrestrial Television (DTT) standards, such as DVB-T, ATSC, DTMB, ISDB-Tb and even the latest DVB-T2 standards.By incorporating our latest technologies of linear and non-linear digital adaptive pre-correction, RF delay and co-channel interference rejection, this system fulfills the needs of single band or broadband transmission in large-scale terrestrial coverage scenarios.Block DiagramDiagram 1&...

2017 - 08 - 19

GT-5900-1600 Medium Power Air-Cooled UHF Terrestrial DTV Transmitter

Product OverviewGospell’s GT-5900-1600 is a medium power air-cooled UHF terrestrial DTV transmitter which combines up to four power amplifier modules with a maximum 1600W of output power. It has superior performance and enhanced efficiency by adopting a series of technologies. It can work in any frequency within the UHF span, and the transmitting bandwidth can be up to 80MHz.This series of products has an optimized design in forced air cooling and architecture, with lower noise, higher efficiency and outstanding anti-interference performance; GT-5900-1600 series can support a wide range of Digital Terrestrial Television (DTT) standards, such as DVB-T/H, ATSC, DTMB, ISDB-T/Tb and even the latest DVB-T2 standards.By incorporating our latest technologies of linear and non-linear digital adaptive pre-correction, RF delay and co-channel interference rejection, this system fulfills the needs of single band or broadband transmission in medium to large-scale terrestrial coverage scenarios.Bloc...

2017 - 08 - 19

GT-5900-500 Low Power UHF Terrestrial DTV Transmitter

Product OverviewGospell’s GT-5900-500 Series is a low power UHF terrestrial DTV transmitter, which inherits the high performance, high stability and high reliability of Gospell’s many products. It can work in any frequency within UHF span, and the transmitting bandwidth is up to 80MHz. By incorporating our latest technologies of linear and non-linear digital adaptive pre-correction, RF delay and co-channel interference rejection, this system can fulfill the needs of single band or broadband transmission in small to medium-scale terrestrial coverage scenarios.This series of products, which has advance design and simplified architecture are small in size, with the advantage of lower noise, higher efficiency, and outstanding anti-interference performance. They support DVB-T/H, DTMB, ATSC, ISDB-T/Tb and DVB-T2 standards, thus having greater flexibility and suitability in actual deployment.Block DiagramTechnical SpecificationsUniversal SpecificationsOrdering CodesGT-5900-400G...

2017 - 08 - 19

GT-5900-300 Low Power UHF Terrestrial DTV Transmitter/Gap Filler

Product OverviewGospell’s GT-5900-300 series is an indoor UHF Digital Terrestrial Television (DTT) transmitter/gap filler with up to 300W of output power, and is designed for small-scale or blind area coverage application in DTT broadcasting. The GT-5900-300 series incorporates multiple self-protected mechanisms, including high VSWR, over-temperature, over drive, over current, over voltage and under voltage. It supports Web based management and maintenance for remote status monitoring and controls, this can significantly reduce management time and operating expense (OPEX). By incorporating the latest technologies of RF delay and co-channel interference rejection, this system fulfills the needs for DTT coverage of SD and HD digital television programs. This is especially suitable for small-scale coverage and gap filling with complex terrains. Block Diagram:Technical SpecificationsGeneral ParametersOrdering CodesGT-5900 -5GT-5900 -10GT-5900 -20GT-5900 -30GT-5900 -50GT-5900...

2017 - 08 - 19