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- Operation Frequency: 1.4G / 1.5G / 1.6G
- Effective Range: 1000 to 3000 meters
- Transmission Power: 1500mW
- TV System: PAL/NTSC
- Channels: 12
- Dimensions: 73 x 41 x 14 mm
- Signals Transmitted: Video and audio, video and audio synchronization
- Audio Modulation: FM
- 1 x Receiver
- 1 x Transmitter
- 2 x Antenna
- 1 x Transmitter Connecting Cable
- 1 x Audio Cable
- 1 x Video Cable
- 1 x Transmitter Power
- 1 x User Manual
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If the order has already been shipped; you may return the item to us postmarked within 30 calendar days of delivery. Before that, please contact our Live Support to inform that.
In that case we will refund you the payment excluding actual shipping fees already incurred.
If the item is defective, please contact DinoDirect Live Support and send an email to us at email@example.com attached an image or video file clearly showing the defect of the product. And we will give you a response within 24 hours whether we will resend the item or refund the payment to you for compensation.
For customization, please consider carefully before ordering.Because we do not accept return and replacement.
|Unit Price||USD$ 92.96||USD$ 89.67||USD$ 86.37||USD$ 81.98|
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• If the order has not been shipped; please contact DinoDirect Live Support for order cancellation.You will get your refund within 24 hours.
• If the order has already been shipped; you may return the item to us postmarked within 30 calendar days of delivery. Please contact our Live Support to inform that.
• Please contact Live Chat or click here to learn more return policy.
- Is it possible to make a wireless guitar transmitter out of bluetooth?
Yes, you can. Unless the bluetooth is built into a PA system, you will run into problems (see below). Anytime you use a wireless device with a guitar, you rob your precious tone. Your problem arises when your bluetooth device changes the EQ of your signal: you will not get true bypass like you get when you plug your guitar into a cable straight to an amp. You will also run into problems with the "input" side of things. Your bluetooth devices are set up to receive up to a limit of an electrical signal. ---Ever heard someone yell into a microphone or a telephone? Notice the distorted sound it makes? Same thing here. You will most likely have a distorted signal (especially if you use effects pedals). The range you are looking for might also run you into problems. The range on most bluetooth devices is 15 to 20ft. The longer the range, the more expensive.
- How do I calculate the maximum data rate between a wireless transmitter and receiver?
The theoretical maximum bit rate can be calculated by solving for R from Eb/No = SW/NR where Eb is the energy per bit, No is the noise power per bit, S is the signal strength, W is the bandwidth, N is the noise power spectral density, and R is the bit rate. In practice, as Tigger also notes, it's a lot more complicated! For example, in a noisy or low signal environment, you might use error detecting/error correcting encoding (i.e. Viterbi or Reed/Solomon) to get a lower bit error rate, but you would then transmit more bits (the encoding bits) than you would for unencoded -- thus a lower effective bit rate. Entire books are devoted to this subject. Sklar's is one of the best, see first reference. To simplistically answer your question, power received is related to the gain of the receiving antenna, the power transmitted, the gain of the transmitting antenna, the distance, the wavelength, and the gain of the receiving antenna. See equation 5.13 in second reference. Pr = (PtGt/4piR^2)(lamda^2/4pi)Gr. In your example, all are constant except R^2. So received power decreases by the square of the distance. Since bit error rate is determined by Eb/No, insist that Eb/No, in the first equation, be held constant. Thus, your bit rate also decreases by the square of the distance.
- How can I create a wireless transmitter that transmits a signal to a wireless receiver ?
The best way to do this is with remote control modules. This would save you a lot time and money on FCC certification fees. You can get modules for 420 MHz, 920MHz. depending on your location would determine the frequency.