Description
This 3x8 Digital Multiswitch has an Active or Amplified circuit for your local TV, and it gets its power from the receiver. No power supply is needed. In short, the Multiswitch will allow you to have 8 different receivers on at the same time. Each receiver is independent of each other and each receiver can watch any channel at any time. Here's an effective way to keep your home or apartment building from looking like a NASA Moon base. If your home wants more than one satellite dish receiver, then the 3X8 Digital Multiswitch is an effective way to keep the clutter of multiple dish antennas off your roof. It's the perfect solution for apartment buildings or other areas where many families live together. Each Multi-switch will amplify and split the dish antenna signal for up to four receivers. It also includes input for an outdoor antenna or cable TV. Ideal solution for DIRECTV, TiVo and Ultimate TV receivers All Multi-Switches described on this page accept inputs from 13/17V and 14/18V switching systems, and are compatible with all the mini-dish systems on the market today.
Specification
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Place of Origin: Guangdong, China |
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Model Number: GDMS-008 (4038MN) |
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Description |
Freq. Range (MHz) |
4038-MN |
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INSERTION LOSS |
ANT PORT |
40～700 MHz |
-11 dB TYP, -14 dB Max. |
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701～806 MHz |
-12 dB TYP, -16 dB Max. |
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INSERTION GAIN |
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950～1450 MHz |
-2 dB TYP, -2.5 dB Max. |
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SAT PORT |
1451～1750 MHz |
-3 dB TYP, - 4 dB Max. |
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1751～2200 MHz |
- 4 dB TYP, -5 dB Max. |
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FLATNESS |
ANT PORT |
40～806 MHz |
±2.5 dB TYP ±3 dB Max. |
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SAT PORT |
950～1450 MHz |
±2.0 dB TYP ±2.5 dB Max. |
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1451～2200 MHz |
±2.5 dB TYP ±3.0 dB Max. |
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STOP BAND ATTENUATION |
ANT PORT |
AT 950 MHz |
15 dB TYP, 12 dB Min. |
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SAT PORT |
AT 806 MHz |
15 dB TYP, 12 dB Min. |
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ISOLATION |
LNB 13/14V TO LNB 17/18V |
950～2200 MHz |
-35 dB TYP, -30 dB Min. |
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40～806 MHz |
-18 dB TYP, -15 dB Min. |
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OUT TO OUT |
950～1750 MHz |
-35 dB TYP, -30 dB Min. |
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1751～2200 MHz |
-30 dB TYP, -25 dB Min. |
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CROSS POLARIZATION |
950～2200 MHz |
-27 dB TYP, -24 dB Min. |
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RETURN LOSS |
ANT IN |
40～806 MHz |
-12 dB TYP, -10 dB Min. |
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SAT IN |
950～2200 MHz |
-12 dB TYP, -10 dB Min. |
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OUTPUT |
40～806 MHz |
-12 dB TYP, -10 dB Min. |
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950～2200 MHz |
-12 dB TYP, -10 dB Min. |
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DC PASS |
Rx→LNB |
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500 mA Max. |
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ANT Rx, 1LNB→Rx |
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None |
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DC IN→LNB |
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DC IN ANT |
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LHCP / RHCP SWITCHING POINT |
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14 .0～14.7 VDC |
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LOW VOLTAGE OPERATION 13V PORT |
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10 VDC MIN. |
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CONNECTORS |
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"F" FEMALE |
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INPUT/OUTPUT IMPEDANCE |
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75 ohm |
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A 3x8 digital multiswitch is a device used in satellite television distribution systems. It is part of the signal distribution chain in satellite TV installations and is often employed in larger setups where multiple satellite signals need to be distributed to multiple receivers.
3 Inputs: This multiswitch can handle signals from three different satellite sources. Each input corresponds to a specific satellite dish or source.
8 Outputs: The multiswitch can distribute the signals from these three inputs to eight different outputs. Each output can be connected to a satellite receiver or another multiswitch, allowing the signal to be further distributed.
In satellite TV systems, a multiswitch is essential when you have more receivers than the number of available outputs on the LNB (Low Noise Block downconverter) of each satellite dish. The multiswitch allows you to combine multiple satellite signals and distribute them to multiple receivers, ensuring that each receiver can access signals from different satellites.
Where can I purchase a 3x8 Digital Multiswitch?
You can find these multiswitches at electronics retailers, satellite equipment suppliers, or online marketplaces. Choose a reputable brand and model that suits your specific satellite system requirements.
What factors should I consider during installation?
Ensure correct alignment of satellite dishes, use quality coaxial cables, and follow the manufacturer's installation guidelines. Consider factors such as cable length, signal strength, and potential sources of interference.
How do I troubleshoot signal issues with a 3x8 Multiswitch?
Check cable connections, ensure proper power supply, and verify that the multiswitch is compatible with your satellite system. If issues persist, consult the manufacturer's troubleshooting guide or seek professional assistance.
FAQ
Q: How is the multiswitch powered?
A: Typically, a 3x8 Digital Multiswitch is powered through a coaxial cable connected to one of the inputs. The power is then distributed to the multiswitch and LNBs (Low Noise Block downconverters) of the satellite dishes.
Q: Is it compatible with all satellite systems?
A: Compatibility may vary, so it's crucial to check the specifications of the multiswitch and ensure it is suitable for your satellite system. Some multiswitches are designed for specific satellite bands or technologies.
Q: What is the purpose of a multiswitch in a satellite TV setup?
A: The multiswitch allows multiple satellite receivers to share signals from different satellite dishes. It is necessary when the number of receivers exceeds the available outputs on the LNB of each satellite dish.
Q: How does the 3x8 Multiswitch differ from other configurations?
A: The "3x8" indicates that it has three inputs for satellite signals and eight outputs to connect to satellite receivers. Different configurations exist, such as 2x4, 4x4, etc., to accommodate varying numbers of satellite sources and receivers.
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