Wave Frontier Toroidal Dish
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Installation FAQ




 4- LNBF









Wave Frontier Toroidal Dish

  • Using Toroidal formula, Toroidal 55 & 90 are designed to reflect signals twice through the main reflector and a sub reflector, forming a focal line created by focal points along the bottom of the main reflector, making Toroidal 55 & 90 function as a multi-beam antenna that receives broadcasts & communication satellites at the same time.

    • Capture up to 16 different satellites

    • Faster channel surfing than a rotary (motorized dish) system

    • No noisy or no tear

    • True Multi Satellite Dish

Why Toroidal?

  • There are many other antennas available on the market that offer multi satellite capabilities for a limited arc range, designed based on a parabolic formula.

  • The limitation of these multi-beam parabolic antennas comes from its original formula.  Only one LNBF, which is installed at the center, is at its optimal position.

  • In other words, the other LNBFs are not at their optimal position.  Therefore, a customer may experience rain fade and weak signal strength on the channels coming off from these not-optimally located LNBFs.

  • On the other hand, Toroidal formula makes it possible to locate all LNBFs at their optimal position due to its dual reflector design of Toroidal antenna.  Therefore, Toroidal antenna provides the same signal strength and stable signal for all LNBFs under various environments.

Toroidal 55? or Toroidal 90?

Wavefrontier currently offers two different models, T55 and T90.

  • Toroidal 55

  1. T55 has the same effectiveness of 55 cm (20 inches) dish for each LNBF installed.

  2. T55 can accommodate up to 8 LNBFs.

  3. T55 can cover up to 40 degrees in arc (60 degrees in azimuth)

  • Toroidal 90

  1. T90 has the same effectiveness of 90 cm (38 inches) dish for each LNBF installed.

  2. T90 can accommodate up to 16 LNBFs.

  3. T90 can cover up to 40 degrees in arc (60 degrees in azimuth)


  • Which model should I choose?

    If your satellite (that you are currently using or plan to use) require a dish size of 55 cm (23 inches) or less, use T55.  If it requires 90 cm (38 inches) or bigger, use T90. 


  • Can Toroidal receive C band signals?



  • What is the minimum spacing requirements between two satellites that Toroidal can handle?

    We recommend 4.5 degrees satellite spacing for T55 and 3 degrees satellite spacing for T90.  Toroidal is designed to minimize the signal interference in 2 degree satellite spacing.  However, due to the physical dimension of LNBF itself, we recommend at least 3 degree spacing.  One technique though is to capture a weak satellite first with one LNBF (e.g. for example, SatMax5 at 116.8W) and place 2nd LNBF (e.g. for example, DirecTV5 at 119W) right next to it.

  • Can Toroidal receive 61.5W to 119W?

    No.  Toroidal can cover 40 degrees in arc.  For an example, Toroidal can cover 61W to 101W or 110W to 150W.


  • Can I use my current LNBF with Toroidal? What is reversed DBS LNBF?

    DirecTV, Dish Network and Bell Express Vu use circular signals (all other KU band satellites uses linear signal).  For easier understanding and illustration purpose, imagine that your signal comes down as a right-hand circular signal.  When this right-hand circular signal hits the reflector, it become a left-hand circular signal.  All generic DBS LNBF is to recognize this left-hand circular signal.  However, Toroidal uses a second reflectors called sub-reflector.  This left-hand circular signal directed to sub-reflector and makes another bounce.  It becomes right-hand circular signal.  Reversed DBS LNBF is designed to recognize this right-hand circular signal by reversing the voltage circuit inside LNBF in the manufacturing process.  Without a proper LNBF, your receiver will not recognize any signal at all.


  • What about switches and other accessories?

    As explained above, Toroidal requires reversed LNBF for Bell Express Vu, DirecTV and Dish Network.  However, all other setting requirements (switch, cabling, receiver and subscription) is exactly same as normal parabolic dish provided by these program providers.


  • Is Toroidal compatible with HDTV signal?



  • Can Toroidal receive DirecTV 110W satellite?

    Yes.  Since DirecTV 110W satellites uses a different frequency(12.6~12.7Ghz), Toroidal requires a Reversed LNBF specifically designed for DirecTV 110W. [Model: C10R] 

Aiming your Toroidal dish:

  1. Find your latitude and longitude here.

  2. Use this online calculator to calculate the Azimuth, Elevation, and Skew of the dish.

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