Welcome to the ROKS official web-site Call us: +38 (044) 407-25-25

Wireless TV Broadcasting

Most of many countries' territory has one-storey building and low population density. In addition, within the country may be areas with complex terrain (e.g. mountains), where the wiring is economically disadvantageous or even impossible. The creating of a powerful transmitter TV centers with large coverage zones in such regions is impractical. An alternative to high-power broadcasting systems are low-power systems with relatively small coverage zone, but on the other hand, have a low cost and require low capital investments for their deployment. The first task of these systems is to provide high-quality multi-program television residents of small towns. The sources of television programming for broadcasters with such systems can be large television centers, RRLs, satellite teleports, the local studio, etc.

The “ROKS” company develops, manufactures and installs the microwave TV broadcasting systems intended for operation in LoS mode. In all our MMDS (frequency band 2.0 – 7.5 GHz), MVDS (10.0 – 13.5 GHz) and LMDS (20.0 – 30.0 GHz) systems we use original technical solutions based on the technologies, protected by Ukrainian Patents № 24643, № 54275 and № 54644. ROKS systems feature high power efficiency, eco-friendliness and can be completed on up to 90% by our own manufacture products. Our broadcasting systems are installed and operates in many countries with different climatic zones.

Parameter MVDS (MITRIS)
(Ku-band) 
MMDS
(S-band, C-band) 
LMDS
(K-band, Ka-band) 
Operation frequency range, GHz  10.0 - 13.5  2.0 - 7.5  20.0 - 30.0
Broadcasting standards  DVB-S / DVB-S2 or DVB-C  DVB-C or DVB-T  DVB-S/S2 or DVB-T
Modulation types  QPSK, 8PSK or QAM64  QAM16/32/64 or COFDM  QPSK, 8PSK or COFDM 
Coverage zone with one transmitter  up to 50 km  up to 30 km  up to 5km
Repeater Hops without regeneration  up to 3   up to 2  none
Repeater Hops with reregeration unlimited unlimited unlimited
Cost of user's equipment  Lowest, because of application of the satellite reception complete set  A bit more expensively than the satellite complete set for reception  Expensive, because of the high cost of subscriber receiver
A possible way to receive  individual and collective  individual and collective  collective

 

Thumb mainpicture   solution

MVDS / MITRIS

MVDS (MITRIS) can operate at frequencies range 10.0 - 13.5 (Ku-band). Broadcasting standards are DVB-S / DVB-S2 or DVB-C. This system is the most popular solution for microwave Wireless TV Broadcasting systems.

More

Thumb mmds

MMDS

MMDS (Multichannel Multipoint Distribution Service) is traditionally referred to as "cable TV with no cable". It means MMDS uses everything the same as in traditional cable TV but as delivery medium instead of cable it uses radiowaves.

More

Thumb lmds

LMDS

LMDS is a **DS family technology but it uses much higher frequencies - K-band, Ka-band (20 - 40 GHz).

More