$4,600.00 - $5,600.00
Min. Order : 1 Set

300W Digital TV Transmitter

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Quick Details

Port: Shanghai
Payment Terms: L/C,T/T,Western Union,MoneyGram
Supply Ability: 100 Set/Sets per Month
Place of Origin: Zhejiang China
Output power: 300W
Output interface: N
Output impedance: 50Ω
Model Number: ZHC518D-300W
Weight: 45KG
Certification: ce
Brand Name: ZHC
Amplifier input impedance: 50Ω
Power input level: 0dBm
Working frequency: VHF/UHF
Band fluctuations: ±0.5dB
Channel bandwidth: 8MHz
Output load return loss: Normal operation: -32dB, Allowed operation: -20dB
Packaging Detail: Export Wooden Boxes
Hangzhou Zhongchuan Digital Equipment Co., Ltd.
Manufacturer, Trading Company
Response Rate
On-time delivery rate
US$ 130,000+
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300W Digital TV Transmitter


 DTV - .jpg


  • All solid-state digital TV transmitter, bandwidth is 6-8MHZ.
  • Pre-distortion correction, dual-exciters switch automatically.
  • High Linearity LDMOS Power Amplifier, high-gain power amplifier module, parallel switching power supply, it is a high-efficiency transmitter.
  • Telemetry and remote control by computer, web-based interface and software.
  • Good man-machine interface, full automatic switch the machine with one key.
  • Multi protection (over voltage, over current, overheating, large standing-wave ratio ...)high reliability, 24 hours continuous works.




Technical Specifications:
1. Working frequency
:             VHF/UHF
2. Channel bandwidth
:             8MHz
3. Output power
:                     300W
4. Output impedance
:               50Ω
5. Output interface
:                  N”
6. Output load return loss:        Normal operation: -32dB
                                              Allowed operation: -20dB
7. Power input level:
8. Amplifier input impedance:
9. Amplifier input interface:
10.Useless transmission:          ≤-60dB
11.Band fluctuations:               ±0.5dB
12.Band shoulder:                 better than 36dB
:                                better than 30dB
:                                390mm×570mm×820mm
:                            45KG




Company Information





 1. Safety first, quality first.

 2.  Strict and advanced workshop management system.

 3.  The human production, people-oriented.

 4.  High quality products to provide high quality environment.



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Packaging & Shipping





Common Problems:

In order to be more comprehensive understanding of the knowledge about our products,we collect all the analyses of problems for every order,hope it will help you. 


Q1. What these equipments used for?
A1. We are original manufacturer in FM Radio & TV Broadcasting equipments; they are professional used for FM Radio & TV Broadcasting Station (Transmitting equipment.)

Q2. What equipment & solution your company can provide?
A2. We can do complete solution for FM Radio Station System. It includes:Studio--Link--Transmitter--Cables--Antenna.
We also can provide complete Transmitting part of TV Station. It includes:Link—Transmitter—Cables—Antenna.

Q3. How large areas can One Station cover?
A3. One FM or TV Station can cover one city or one town.
The Maximum cover ranges of one station can not over 100KM Radius because the Earth is Curve.
You can use Multiple Stations & Different Frequency to cover larger area.

Q4. How do I choose suitable equipments for my station?
A4. The most import factors are Power and Frequency.
We need to know the Power and Frequency you need exactly.
How long the distances do you want to cover in Radius?
How height your Antenna can be installed?

Q5. How to calculate Broadcasting equipment Cover Range?
A5. The Cover Range depends on 4 factors:
1. Power from Transmitter; 2. Height of Antenna; 3. Gain from Antenna; 4. Around Environment.
Then we can know the cover range of your station.

Q6. Is the Frequency Adjustable?
A6. FM Radio Band Frequency is 87~108MHz, TV Band Frequency includes UHF/VHF band.
For FM Radio Transmitter; Power Below 2KW is all adjustable. Above 2KW would be narrow.
For TV Transmitter; all Frequency Band is very Narrow, only can contain around 3 Channels; so it’s not adjustable.

Q7. Is your Analog TV Transmitter can be upgraded to Digital?
A7. Yes, we can. But the Frequency Band should be the same.
The only difference between Analog & Digital TV Transmitter is its TV Modulator.
After upgrade to Digital, the Power from TV Transmitter reduced 5 times.
For example: 1KW analog TV Transmitter can be upgraded to 200W Digital TV Transmitter.

Q8. How to do installation of these equipments?
A8. For small power station, the equipments are very easy for installation.
For large power station, we can send our engineer to your country to help you do the installation, but you should pay the cost.
We also can do training for your engineer here in our company.

Q9. How to operate these broadcasting equipments?
A9. We provide All-English user manual; All-English operation software in our equipment.
We also can do training for your engineer here in our company.

Q10. What about after sales?
A10. The warranty time is one year after goods leaving factory.
We can provide technical support from internet or in our company.
We can send spare parts to you directly when the equipment damaged.








ZHC(China)Digital Equipment Co.,LTD
ADD: Building 5th, No.23, Jugong Rd. Binjiang District, Hangzhou, China

English Website: http://www.zhcfmtv.com/
Chinese Website: http://www.zhcfm.com/

Name: Mike Cai
Tel: +86-571-8238-1886
Mobile: +86-135-8821-5572 (WhatsApp; Wechat)