cofdm news

COFDM transmitter Antenna for Wireless Video Transmission TX aerial VCAN1539

COFDM Wireless Video Antenna

COFDM transmitter Antenna

COFDM transmitter Antenna for Wireless Video Transmission TX aerial

cofdm transmitter antenna
cofdm transmitter antenna

Specification

ModelVcan1539
Frequency Rang (MHz)170~930*
Bandwidth(MHz)6Mhz, 7Mhz, 8Mhz, 10Mhz
Polarization modeVertical
Gain (dBi)4
Input impedance (Ω)50
Voltage standing wave ratio≤2
Maximum power (W)20
Connector TypeSMA Male
Antenna length23cm
Antenna weight50g
Extreme wind speed90Km/hour

1. The antenna is a flexible whip structure that resists bending.

2. In order to improve the performance, frequency range need specify when order, for example 500Mhz~530Mhz

Wireless HDMI Transmitter
Videobridge

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Italy DVB-T2 MPEG-4 Switchover soon from DVB-T

Italy DVB-T2 MPEG-4 switchover soon from DVB-T. Italy’s Ministry of Economic Development has published a new road map and timetable for the transition to the new DVB-T2 technology for TV broadcasting, following public consultations with stakeholders.

The new road map, which divides Italy into four geographical areas, provides for the activation of DVB-T/MPEG-4 encoding in the last four months of 2021 and of the DVBT-2 HEVC standard at national level in the period between 21 June 2022 and 30 June 2022, without prejudice to the right for operators to activate DVBT/MPEG-4 encoding or the DVBT-2 standard before the scheduled deadlines.

The process will kick-off in so-called areas 2 and 3 (almost all of northern Italy), and be implemented from September 1st to December 31st, 2021. The rest of the country will follow by June 20th, 2022, when the 700 MHz bands will be made available for 5G.

The guidelines on the procedures for the transition to DVB-T-2 for local broadcasting require successful bidders to guarantee a price proportional to the population of the provinces concerned. In order to protect local pluralism, there are also constraints on the awarding of more than one network in the same territory to the same entity.

Local operators requesting early voluntary scrapping of networks are also entitled to advance payment of statutory compensation.

From Branislav Pekic in Rome July 23, 2019 (sources from https://advanced-television.com/2019/07/23/italy-sets-roadmap-for-mpeg-4-and-dvb-t2-switchover/ )

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8M ISDB-T Digital TV for Maldives and Botswana

8M ISDB-T Digital TV

Maldives and Botswana ISDB-T Digital tv bandwidth is different from South America and Philippines 6M, it is 8M, so the factory is not preparing so many stocks for different area. Now 8M ISDB-T Digital TV for Maldives and Philippines is available, please check the below picture, the firmware support 6M and 8M two bandwidth switch.

8M ISDB-T TV
8M ISDB-T TV
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cheap wire headphone hk-862

Wire Headphone HK-862

Specification

Ear shell material: ABS
Horn diameter: 40mn
Wire: PVC
Length: 1.2m
Pin: 3.5 mm
Omega: 32 Ohms
Audio response: 20-20KHz
Sensitivity: 100 ± 3dB
Whether to bring wheat: no wheat
Colour: Black

Packing

Unit Weight: 60g
Carton Size: 40x30x30cm
100pcs/ctn
G.W.6.6KG/CTN