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Old Jan 14, 2011, 10:48 AM
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"Chuck Yeager"
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Originally Posted by Crist Rigotti View Post
30,563 feet
480TVLSony CCD camera off eBay
Great
Thanksfor the info
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Old Jan 14, 2011, 04:38 PM
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Why is the attenuator needed? If i just followed the steps on the DIY Drones website and powered it off of a 6V BEC would i need one?
Old Jan 14, 2011, 04:43 PM
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Originally Posted by beginner4life View Post
Why is the attenuator needed? If i just followed the steps on the DIY Drones website and powered it off of a 6V BEC would i need one?
The attenuator is needed because the power output of the DX7 is too high for the booster and you risk blowing up the booster without it.
Old Jan 14, 2011, 04:45 PM
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I am using a Dx6i, if i put it on euro settings is it still an issue?
Old Jan 14, 2011, 05:18 PM
Martin Y is offline
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400' ..... NOT
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Still need one. Or you can use a 1m piece of rg174 coax.
Old Jan 14, 2011, 05:54 PM
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Okay thanks
Old Jan 15, 2011, 03:52 PM
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"Chuck Yeager"
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so I did a search on google for "4db attenuator" but i'm not sure what I'm looking for is it a mini SMA Female to male ?
Last edited by hotdog1; Jan 15, 2011 at 05:05 PM.
Old Jan 15, 2011, 06:42 PM
Crist Rigotti is offline
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First to go over 106K feet
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Originally Posted by hotdog1 View Post
so I did a search on google for "4db attenuator" but i'm not sure what I'm looking for is it a mini SMA Female to male ?
Yes, SMA connector and at least 3ghz.
Here is an example:
http://cgi.ebay.com/Meca-Attenuators...item3cb3ecc395
Old Jan 16, 2011, 09:08 PM
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E-Gliders
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Originally Posted by Inakto View Post
cool, thanks anuarf, here is info for dx6i

0.128 W = 21.1 dBm

X1TXN 2.4GHz DSSS Module User Manual.
Horizon Hobby Inc., 1657 Country Club Dr., Milpitas CA 95035 USA 408 945 9800
1. Features
• 2.4GHz Direct Sequence Spread Spectrum (DSSS) radio transceiver module. • Operates in the unlicensed worldwide ISM band (2.4 GHz to 2.483.5GHz) band • Fully integrated power regulation with a wide input unregulated operating range
2.4 to 3.6V. • Fully integrated local oscillator and 12MHz 20ppm reference crystal • 200mA operating current • Transmit power - 200mW EIRP • Receive sensitivity up to -95dBm • DSSS data rates up to 250kbps • 1 mile operating range • Full packet assembling and disassembling • Auto transaction sequencer • Fully buffered digital interface with high voltage tolerant inputs
2. Pin description
Pin Number
Name
Description
1
GND
Module Ground
2
VDD
Module power input
3
IRQ
Interrupt Request
4
RST
Reset, active High
5
MOSI
Master out, slave In data
6
nSS
Slave Select, Active Low
7
SCLK
SPI data clock
8
MISO
Master in, slave out data
9
GND
Module Ground
10
XOUT
Clock output from module
11
TXRX
Switch antenna to transmit direction
12
RXTX
Switch antenna to receive direction
3. Specifications
4. Module User Requirements
4.1 This module must be integrated into a device where the user cannot access the antenna connector and should not be able to remove/install the module.
4.2 Only a 2dBi antenna can be used with this module. The antenna must meet and not exceed the gain and pattern of the supplied Inpaq DAM00BM11500209 folded dipole antenna.
4.3 This module must not be co-located or operated in conjunction with any other antenna or transmitter.
45.4 The device must contain the following permanent labeling on the exterior of the device as follows:
Contains FCC ID: BRWDAMTX10
Parameter
V alue
Units
Storage Temp
-65 to 105

Degrees Celsius
VDD
2.4 to 3.6
V olts
Receive Sensitivity
-95
dBm
Transmit power (conducted)
21
dBm MAX
Transmit power (radiated)
23
dBm MAX
Idle current
1
mA
Receive current
22
mA
Transmit current
200
mA
4.5 The user manual of the device must contain the following paragraph:
4.6 This module meets the requirements for a mobile device that may be used at separation distances of more than 20cm from the human body. It may be used in hand- held controllers that provide a separation distance of at least 5cm between the antenna and the body (excluding hands/wrists). The instructions to the user for the host device must include information requiring the product be used in a manner to ensure the appropriate separation (20cm or 5cm) between antenna and body and requiring that the transmitter not be collocated with another transmitting device.
This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Caution: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
This product contains a radio transmitter with wireless technology which has been tested and found to be compliant with the applicable regulations governing a radio transmitter in the 2.400 GHz to 2.4835 GHz frequency range.
The following countries associated regulatory agencies recognizing the noted certifications for this product as authorized for sale and use are:
USA
Canada
Belgium
Denmark
France
Finland
Germany
Italy
Netherlands
Spain
Sweden
UK
bahaha. I have a hard time believing that storage temp for dx6i that is -86F!!!
Old Jan 17, 2011, 08:26 AM
hotdog1 is offline
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"Chuck Yeager"
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Quote:
Originally Posted by Crist Rigotti View Post
Yes, SMA connector and at least 3ghz.
Here is an example:
http://cgi.ebay.com/Meca-Attenuators...item3cb3ecc395

Great thanks Crist
Old Jan 18, 2011, 08:00 PM
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master of the universe
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crist really well done. You must have awesome vision to be able to see for 30k'
Old Jan 26, 2011, 02:22 PM
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http://cgi.ebay.com/Stronger-2W-33DB...item4152477db2

Anyone use this?
Old Jan 26, 2011, 02:38 PM
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master of the universe
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i dont know but i've seen some consumer level 2.4ghz wifi boosters that ive been thinking of
Old Jan 26, 2011, 03:01 PM
Crist Rigotti is offline
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First to go over 106K feet
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Quote:
Originally Posted by beginner4life View Post
You would need to know what the maximum input level is for that booster.
Old Jan 26, 2011, 03:44 PM
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I think ill just get the one from DIY drones. How much cables would i need to properly attenuate the signal on euro power?


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