Long Range Wireless Video and Audio Transmitter

Specifications RF Specifications Frequency Band : UHF TV standard: Per Request Color System: PAL, NTSC, SECAM Modulation index : 87. 5% Output power : rated output power Vision output power stability : t 0. 25dB Sound/Vision carrier frequency difference : 6. 5 土 0, 001 MHz Vision / Sound Power...

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Product Details

Specifications

RF Specifications

Frequency Band : UHF

TV standard: Per Request

Color System: PAL, NTSC, SECAM

Modulation index : 87. 5%

Output power : rated output power

Vision output power stability : t 0. 25dB

Sound/Vision carrier frequency difference : 6. 5 土 0, 001 MHz

Vision / Sound Power Ratio : 10 : 1

In-band inter-modulation : -52 dB

Non-required radiation in adjacent channel : -45dB

Non-required radiation out of adjacent channel : -60dB, 1 mw (VHF) or ≤20mw (UHF)

RF Output impedance : 50 Q

Frequency carrier stability (3 months) : ± 200Hz (VHF)/± 400Hz (UHF)


Video Specifications

Video input level:1.0Vp-p

Video input Impedance:75Ω

Video input reflected loss:≥34dB

Amplitude/Frequency response:see table 1

Group delay-frequency response:0-6MHz,±30ns

Differential gain (DG):±5%

Differential phase (DP):±4°

Field time bar tilt K50:≤2%

Line time bar tilt Kb:≤2%

2T Kp:≤2%

2T Pulse Amplitude Kpb:≤2%

Luminance non-linearity distortion:≤5%

C/L gain difference:≤10%

C/L delay difference:±30ns

Signal to random noise ratio S/N (RMS,un-weighted):≥51dB

Signal to periodic noise ratio S/N (RMS,peak-peak):≥51dB

Inner-carrier spurious phase modulation(ICPM):±4%

Blanking level stability:±2.5%


Audio Specifications

Input Level : Od Bm t 6d Bm, 600 Q balanced

Type of emission : FM

Mod. ulati6n capability : > ± 100KHz frequency deviation

Frequency carrier stability (3 months) : ± 200Hz (VHF)/± 400Hz (UHF)

Pre-emphasis : 50 μs

Maximum frequency deviation : ± 50KHz

Harmonic distortion (100% modulation) :≤ 1%( 30Hz-15KHz)

Amplitude-frequency response (50% modulation) :±1dB (30Hz-15KHz, Pre-emph-asis:50 μs)

FM 5/N ratio : ≥60dB (1000Hz, 100% modulation)

AM noise (no modulation) : ≤-50dB

Inner-Carrier noise (100% modulation) : ≤-45dB

Output load reflected loss

Operating : ≥32dB

Setup : ≥20dB

Service conditions

Ambient temperature range : 5-40 ° C

Relative humidity : < 95%, non-condensing

Atmosphere pressure : 86-106Kpa

AC Mains Supply:380V (+15% /-20%), 50Hz t 1Hz or per request

Cooling mode:air cooling


Table 1

f

(MHz)

-4.43

-1.25

-0.75

-0.5

0

+1.5

+3

+4.5

+6

+6.5

>6.5

Up

(dB)

-30

+0.5

+0.5

+0.5

+0.5

0

+0.5

+0.5

+0.5

-20

-20

Down

(dB)

-

-

-4

-1.5

-0.5

0

-1

-1

-4

-

-


Company Profile

Anshan General Broadcast & TV Equipment Co., Ltd.(AGBE) is an original developer, marketer and manufacturer specializing in radio broadcast & TV transmitting equipment.Our product line covers a variety of transmitter equipment.

We are one of the leading suppliers of transmitter in China. Our products are very popular in Europe, North America and the Middle East. Just as we've done products for buyers from all over the world, our talented engineers are ready to use our experience to work on your next OEM project. With our experience and splendid performance in transmitter product designing and manufacturing management, we have been recognized as a strategic partner in OEM/ODM business. Our achievements have won good business relationships with some international groups.


Our Adavantage

1. Technique advantage

We have over 20 years professional experience on CATV. Factory is full equiped with machines and experienced engineers to ensure productions’ efficiency and quality.

2. Talents advantage

Wolck actively introduce high-tech talents and hundreds of senior mechanics. Meanwhile, we’ve cooperated with many colleges and set up printing major, so that we have many professional employees introduced every year.

1550nm fiber optical transmitter with high quality brand new Laser

3. Experience advantage

Our company have more than 20 years experience in CATV & FTTH systems, products are fully accomplish the whole FTTH solution. We’ve helped many our overseas customers to built their CATV & FTTH systems, our Gepon/EPON OLT, Gepon ONU, EPON ONT, EOC now are very popular in many countries. Like Russia, Africa, Mid-east country, South America.

We’ve build up long-term business relationship with them and have accumulated very rich experience, which makes us be able to meet the needs of different customers.

4. After-sale service

Complains hot line is opened 24 hours everyday, so that we can deal with the customers’ feedback information immediately and listen to our customers’ suggestions, make records and take actions to improve our services.


FAQ

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.


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