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About scooterspal

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    RC-Cam Visitor
  1. I believe this ham band runs from 1240 to 1300 according to the radio frequency spectrum chart I'm looking at. This unit I ended up with claims it has 1240, 1260 and 1280 Mhz. Can I use any of them or is video relegated to just 1280Mhz? BTW: Do you just take for granted the unit you are using is on the frequency the seller claims it to be on for a given channel number? Is this enough for the FCC (assuming, that is, you are licensed)?
  2. I'm no expert, but I'm wondering how much the fact that these units... especially the transmitter... have absolutely no heat sinking whatsoever may play into their continued operation over time? I've posted my issue above RE: incorrect frequencies on a system from China but when I took the TX apart to install in my own larger casing I saw that both the large voltage regulator on the back of the PC board as well as the output transistor up at the antenna connector were heat sink challenged, to say the least. Both got rather hot after only a few minutes powered up. Over time in such a tiny co
  3. http://www.amazon.com/Camcorders-Capture-Adapter-compatible-H35/dp/B0012HQFJK These are USB capture devices that should work for you.
  4. Hello to all. After much reading and searching (but before I found this site) I purchased a 900mhz video TX/RX system on Ebay from one of the many Hong Kong sellers. The description on Ebay for the unit stated 4 channels as follows: 910Mhz, 950Mhz, 970Mhz and 990Mhz. I planned to use it only on 910Mhz to remain within the "safe" ISM band. What I apparently got, after contacting some other sellers of what appears to be the same product, actually has some 15 channels with the lowest starting at 993Mhz and going up to 1280Mhz. I assumed I was screwed as far as using it and this after ta
  5. Hello to all. I'm doing as much reading as I can on antennas for 900mhz video use but I have some questions... First, everyone seems to recommend the rangevideo whip for the transmitter. I cannot see how this antenna, being only 4.5", long can be a true half wave. Is not a half wave for 900 mhz closer to 6.5"? Can anyone explain? Also, the rangevideo patch antenna is also a hit with RC but it has what appears to be quite a long cable. Mr. RC states, in his article on how to build a patch antenna, that the normal coax cable causes much signal strength loss. Again, can anyone shed some lig
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