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Spektrum Range
I'm running a Spektrum Module in a M8 TX. I have 2 SR3000 RX's, 1 in a nitro trk, 1 in an electric. They bind and work perfectly in the shop. I take them out to run and I get about 75 feet of range and then I'm done. Both rx's have the stipulated 3.6 inch ant length if you shorten them. Again, 1 TX, 2 rx's .. identical prob. Any thots. Thanx
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RE: Spektrum Range
ORIGINAL: nomobux Both rx's have the stipulated 3.6 inch ant length if you shorten them. |
RE: Spektrum Range
ORIGINAL: bruce88123 ORIGINAL: nomobux Both rx's have the stipulated 3.6 inch ant length if you shorten them. |
RE: Spektrum Range
Yeah I see that now on pg 8
http://www.spektrumrc.com/ProdInfo/F...structions.pdf Have you checked the range with an un-modified RX? Manual says you should get 3000 feet. |
RE: Spektrum Range
ORIGINAL: bruce88123 Yeah I see that now on pg 8 http://www.spektrumrc.com/ProdInfo/F...structions.pdf Have you checked the range with an un-modified RX? Manual says you should get 3000 feet. |
RE: Spektrum Range
Kinda at a loss here. Things to try if you can:
1. find another unmodified (or even different modified Rx) and after binding to it see what your range is. 2. Try a different TX with your cars. 3. be absolutely sure your batteries are at full strength. 4. be sure you are not in a range test mode. 5. your Tx antenna should be at 90 degrees to the line to the Rx. 6. be sure TX is in correct modulations mode. Probably wouldn't work at all if not, to be honest. |
RE: Spektrum Range
ORIGINAL: bruce88123 Kinda at a loss here. Things to try if you can: 1. find another unmodified (or even different modified Rx) and after binding to it see what your range is. 2. Try a different TX with your cars. 3. be absolutely sure your batteries are at full strength. 4. be sure you are not in a range test mode. 5. your Tx antenna should be at 90 degrees to the line to the Rx. 6. be sure TX is in correct modulations mode. Probably wouldn't work at all if not, to be honest. 2. I have a DX 2 I can try 3. I did and they are. 4. Does a M8 have one ? All these buttons and options, it may be hid in there somewhere ... lol 5. It is 6. Don't know if it's selectable, but I think your right. I'll try 1 & 2 and see what happens today and get back .... thanx |
RE: Spektrum Range
4. Does a M8 have one ? All these buttons and options, it may be hid in there somewhere ... lol
Read all available manuals on system and modules. |
RE: Spektrum Range
Yep, your range readings match the same readings I am getting. I have three 1/10 cars, 2 electrics and 1 nitro, all go about 100 feet before the Spektrum dies. As for the stated 3000 ft range that should be framed as B.S. since the total power output of the surface based Spektrum DSSS system is close to the power of a narrowband transmitter with ~60-80 milliwatts in 2.4 GHz. The transmitter actual power is only 10mW but since it uses DSSS you need to look at their power density.
In contrast, the DX7 is a DSM2 full range transmitter and it has a power output of 128 mW, but their power density is closer to a 650 mW narrowband transmitter. Thats why they call the DX7 a full range radio, because it has ~10 times more power than their surface systems. Cheers. |
RE: Spektrum Range
ORIGINAL: Minibichus Yep, your range readings match the same readings I am getting. I have three 1/10 cars, 2 electrics and 1 nitro, all go about 100 feet before the Spektrum dies. As for the stated 3000 ft range that should be framed as B.S. since the total power output of the surface based Spektrum DSSS system is close to the power of a narrowband transmitter with ~60-80 milliwatts in 2.4 GHz. The transmitter actual power is only 10mW but since it uses DSSS you need to look at their power density. In contrast, the DX7 is a DSM2 full range transmitter and it has a power output of 128 mW, but their power density is closer to a 650 mW narrowband transmitter. Thats why they call the DX7 a full range radio, because it has ~10 times more power than their surface systems. Cheers. |
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