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400W Single / Broadcast Tv Transmitter Multi Channel Microware Distribution System

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400W Single / Broadcast Tv Transmitter Multi Channel Microware Distribution System

Brand Name : Hooray Vision
Model Number : HTM-400I
Certification : ISO 9001:2008
Place of Origin : China
MOQ : 1
Payment Terms : T/T, Western Union
Supply Ability : 100 sets per year
Delivery Time : Within 30 days after payment
Packaging Details : By cabinet and OEM
Frequency Range : 2.0 - 2.9 GHz
Output Power : 400W
Transmitting Mode : Single,Broadband
Input/Output Interfaces : N types,F types,L27 / L29
Output band pass filter : Optional
Colling Method : Forced Air Cooling with two cooling fans
Application : DVB-T/H, DVB-T2,ATSC,DTMB,ISDB-T/Tb
Chassis : 4U
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2.0 - 2.9GHz MMDS 400W DTT Broadband Indoor Digital TV Transmitter for Wireless Coverage System


HORRAY’s MMDS broadband transmitter HTM-DTV-400I has stable performance, with complete range of functionalities and great variety; it can support single or multiple channel transmission.


400W 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, DVB-C, ISDB-T/TB and etc. AGC function guaranteed the reliable operation of the equipment by maintain constant power output of transmitter. 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.


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.


Main features:

With optional SMS module can monitor the abnormal values real-time;

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;

Ultra-low local oscillation phase noise, compatible for both analogue and digital signal transmission;

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;

Easy for construction and maintenance.


Technical Specifications:

ModelHTM-400I
RF Output Power(P-P)400W
Shoulder Ratio(dBc)≥4064QAM
≥30QPSK
RF Output Frequency

2000~2900MHz

(frequency band carrier signal takes could be set arbitrarily)

Max Bandwidth: within 300MHZ
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 Ocillator Phase NoiseNΦ≤-100dBc/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% no saturation
Working VoltageAC 220V±10%,50/60Hz
Power Consumption: Depending on power levels
Packaged Size (L*W*H)103*56*58cm
Packaged Weight(Kg)Around 90 kg


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