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Terrestrial TV MMDS 500W Indoor Digital TV Transmitter for TV Broadcasting System

Hooray Vision Technology Co,.Ltd
Hooray Vision Technology Co,.Ltd
City: Chengdu
Province/State: Sichuan
Country/Region: China
Tel: 86--13550155595
Contact Person:
Mr Kyle

Terrestrial TV MMDS 500W Indoor Digital TV Transmitter for TV Broadcasting System

Brand Name : Hooray Vision
Model Number : HTM-500I
Certification : ISO 9001: 2008
Place of Origin : China
MOQ : 1
Payment Terms : Western Union, T/T
Delivery Time : 30 days after payment
Packaging Details : By cabinet and OEM
Frequency Range : 2.0 - 2.9 GHz
Output Power RMS : 500W
Transmitting Mode : Single or Broadband
Power filter : Optional
Cooling Method : Forced Air Colling
Type : Indoor
Application : DVB-T/H, DVB-T2, ATSC,DTMB and ISDB-T/Tb
Numbers of PAs : 2 Pieces
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Digital Terrestrial TV MMDS 500W Indoor Digital TV Transmitter for Wireless Coverage TV Broadcasting System

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, 2.7-2.9GHz frequency spans, and the most commonly used span is 2.5-2.7GHz. 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.

HOORAYVISION’s MMDS broadband transmitter HTM-500D has stable performance, with complete range of functionalities and great variety, thus is able to suit most of the needs from both regional and overseas customers.

The 500W MMDS Indoor Digital Transmitter is a kind of digital facility working on S band (2.0-2.9GHz). This equipment adapted latest generation power amplifier chip LDMOS. It supports both analog and digital modulation and adapts to multiple modulation modes like DVB-S/S2, DVB-T/T2, QAM, ISDB-T/TB and etc. AGC/ALC function guaranteed the reliable operation of the equipment by maintain constant power output of transmitter. Its LCD display shows the parameters of output power, working voltage and AGC, can monitor the abnormal values real-time. It also has auto-alarming and lightning-proof functions. As the advantages mentioned above, this equipment can widely apply to point to point and point to multi-point transmission and signal coverage.

Main features:

  • With touchable LCD control panel to adjust the key parameters: Output power range, Input level range, AGC range and monitor the abnormal values real-time.
  • Adapted new generation power amplifier (transmitting power increased and un-linear distortion effectively decreased).
  • Aluminum structural design, with natural heat dissipation or forced air cooling design, equipment operational reliability can be improved.
  • Signal debugging design (maintenance can be simply carried out).
  • Simple debugging procedure, signal opening can be achieved without specialized instruments.
  • Multiple choices in power level and local frequency.
  • Extended interface for remote control.
  • Small in size, easy for construction and maintenance.

Technical Specifications:

RF Output Power(P-P)500W
Shoulder Ratio(dBc)≥4064QAM
RF Output Frequency

(frequency band carrier signal takes could be set arbitrarily)

Max Bandwidth: within 200MHZ
RF Output Interface50Ω/N connector
Return Loss: 20dB
RF Frequency ResponseBW: 200MHz
Passband Fluctuation: ≤2.0dB
Any Within 10MHz: ≤1.0dB
Group Delay Characteristics≤40nsec
Local Frequency2033MHz (or specified by user)
Stability: 1×10-6
Local Oscillator Phase NoiseNΦ≤-100dB c/Hz@10KHz
IF Input Level-25~-10dBm
IF Input Frequency467~667MHz (or specified by user)
IF Input Interface75Ω/F connector
Return Loss: 15dB
In-band Spur Restraint-60dBc (relative signal level)
Automatic Level Control20dB
Environmental ConditionsWorking Temperature Range: -20°C~+45°C
Humidity: no condensation
Relative Humidity: 0~95% non-saturation
Working VoltageAC 220V±10%,50/60Hz
Size (L*W*H)80*48*27cm
Power consumption1000W

Electrical Schematic:

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