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Gospell digital technology co.,ltd
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digital terrestrial transmitters uhf tv transmitter
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
GT-5527 Series MMDS Digital Transmitter
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GT-5527 Series MMDS Digital Transmitter
From 5W-200W
Multi channel Microware Distribution System (MMDS) is also called wireless cable or open-to -air cable. Internationally, MMDS normally uses 2.1- 2.3GHz, 2.3-2.5GHz or 2.5-2.7GHz frequency spans, and the most commonly used span is 2.5-2.7GHz, which also being used in China. MMDS is a mature and stable TV distribution and transmission system, which makes it an important way of transmitting TV programs to households and CATV head-ends.
GOSPELL’s MMDS broadband transmitter GT-5527 has stable performance, with complete range of functionalities and great variety, it can support single or multiple channel transmission, in modulation modes of CMMB, DVB-T/C/S, DTMB and many others, thus is able to suit most of the needs from both regional and overseas customers.
Main Features:
- Modular design eases installation, on site maintenance and power upgrade
- Low power consumption with linear design, further improves transmitting power and minimizes non linear distortion
- Large and dynamic Auto Gain Control (AGC) circuit ensures stability of output power
- Ultra low local oscillation phase noise, compatible for both analogue and digital signal transmission
- Expandable GSM/GPRS remote monitoring and control
Typical Application:
200W Indoor MMDS Digital Transmitter
GT-5527-100D 100W outdoor MMDS Digital Transmitter conforms to following specification: <Specification and methods of measurement on MMDS transmitter of GYT 171-2001>, < Universal requirements and measurement methods of parameters for radio transmitting equipment of GBT_12572-2008>, <Safety requirements for radio transmitting equipment of GB 9159-2008> and other relevant national requirements.
Indoor Type :
Outdoor Type:
Technical Specifications:
| General Specifications | Power Voltage | 180V~240V AC (50Hz±2%) | ||||
| Cooling Measure | Forced air cooling | |||||
| Operating Temperature | -10~45°C | |||||
| Operating Humidity | 0~95%, non-condensing | |||||
| Dimensions(W x H x D) | 483mm(19″) x 178mm(4U) x 590mm | |||||
| Weight | 18kg | |||||
| Power Consumption | 1200W | |||||
| Connector | RF Input | F10-75K / N-50K | ||||
| RF Output | N-50K | |||||
| Network Management | 10/100 Base-T Ethernet, RJ-45 | |||||
| Parameters | Symbol | Minimum | Normal | maximum | Unit | |
| Input Signal Frequency |
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VHF/UHF | ||||
| Output Signal Frequency | FOUT | 2500 | 2700 | MHz | ||
| Stability of Carrier Frequency | A | ±500 | Hz/Month | |||
| Phase Noise @10kHz | N | -85 | dBc/Hz | |||
| Maximum Bandwidth | Band | 200 | MHz | |||
| Output Power of 1dB Gain Compression Point | P1dB | 52.5 | 53 | dBm | ||
| Input Signal EPL | PIN | 75 | 85 | 95 | dBμ | |
| AGC Power Control Range | GAGC | 12 | 16 | 20 | dB | |
| Stability of Output Power | POUT | 0.3 | 0.5 | 1 | dB | |
| Harmonic Suppression | H | -70 | dBc | |||
| In-band Intermodulation | Spur | -70 | dBc | |||
| Output Echo Loss | RLOUT | 19 | dB | |||
For More Information
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