בעסטער פפּוו ווידעא טראַנסמיטער מאָדולע 170-860 מהז ווירעלעסס רף אַודיאָ ווידעא טראַנסמיטער פֿאַר פפּוו קאַמעראַ 3 וו פּאַ 50 קילאמעטער
בעסטער פפּוו ווידעא טראַנסמיטער מאָדולע 170-860 מהז ווירעלעסס רף אַודיאָ ווידעא טראַנסמיטער פֿאַר פפּוו קאַמעראַ 3 וו פּאַ 50 קילאמעטער
אינהאַלט פון אינהאַלט
Sample With Casing (full set including antenna)
Please contact us if you want to change some parts in the full set. For Example, you want to different antenna lengths, a transmitter parameter configuration tool for changing the transmitter’s frequency bandwidth, attenuation (3-watt PA to change 2-watt or 1-watt), setting AES128 password, אאז"ו ו.
Video Transmitter TX Module
- We can adjust the RF bandwidth of this model to 2M/QPSK and increase the receiving sensitivity to -98 (actual), which is 7dB higher than the original sensitivity. This will more than double the corresponding transmission distance.
- What UAVs care about is the size and weight of the Video Transmitter TX Module. The weight of the whole machine can be within 100g.
- The Wireless Video Transmitter TX Module transmission itself has a delay of 75מיס
- One-way COFDM video transmission, mainly used for FPV(First Person View)
- SD video transmission, RF bandwidth up to 2M, end-to-end delay of less than 120מיס
- Default 3W PA support 50km (די)
- The default working frequency is 595 מהז, and we can customize 170~860 Mhz
- ווידעא קאָדירונג פֿאָרמאַט: ה265
- ויסמעסטונג: Motherboard size: 50 רענטגענ 35 X 10mm; overall machine size: 67 רענטגענ 48 X 23mm (3W and above lower output)
- Protection standards: All-aluminum radiator shell, anti-rust, קלאַפּ-דערווייַז פּלאַן
- דאס FPV video transmission supports digital encryption (AES128 ביטן). Unlike ordinary FPV analog video transmitters, it cannot be encrypted. Others can also see the same real-time video on the same frequency.
Video Receiver RX Module
RF Wireless Video Receiver Dimension 70×80×15mm
Here is the FPV video transmitter with a metal case.
Why this model is better than קאָפדם-912ט as an FPV video transmitter?
The difference between COFDM-912T and FPV1887 wireless video transmission is
- The FPV1887 video transmission video delay latency is small, בלויז 120 מיליסעקאַנדז. COFDM-912T delay is more than 400ms.
- With different modulation bandwidths, with the exact video resolution, the FPV1887 video transmission only requires 2מהז באַנדווידט, while COFDM-912T requires more than 6MHz.
- FPV1887 has a longer-range transmission distance, stronger diffraction performance, and anti-interference performance. Because it uses a narrower bandwidth, it has higher receiving sensitivity and takes up fewer resources.
- Smaller size and weight: Compared with COFDM-912T video transmission, the FPV-1887 video transmission adopts a more advanced encoding and modulation scheme, with lower overall power consumption, smaller size, and a weight of only 80g.
- The unique 45-degree RF antenna design is more suitable for the FPV and is more suitable for the high-speed flight angle of the FPV.
- The video transmission of this FVP1887 is suitable for vehicles with a flying speed of about 120km. For vehicles with higher flying speeds, the video delay will appear larger and the control will not be so good.
- More amplifiers to choose from 1 וואטס, 2 וואטס, 3 וואטס, און 4 וואטס. (default 3-watts support 50km)
FAQ
פרעגן: Why does powering on the transmitter cause its shell to become very hot?
ענטפער: ערשטער, we tested this circuit board at temperatures of minus 40 degrees and 85 שטאַפּל. The hand feels very hot and will not affect the normal use of the transmitter.
סעקונדע: There are two reasons why the case temperature is a bit high:
- To be waterproof, our casing does not have heat dissipation holes and fan holes.
- To support 50 קילאָמעטערס, we have a built-in three-watt amplifier. A power amplifier requires a cooling fan. The chip and board of the power amplifier are close to the metal casing to transfer heat.
פרעגן: The shell of this transmitter looks very heavy, and not suitable for installation on a drone that needs to be lightweight, רעכט?
- For this product, we mainly provide transmitter boards and receiver boards or modules. Users can customize the case or install it on their own device or aircraft.
- This optional case is convenient for customers who need it to take samples for testing. There is a case to protect the circuit board from damage during transportation and testing.
- We also use lightweight and cheap aluminum, which is processed by a CNC milling machine. The shell’s protrusion is not just for looks; it improves the transmitter’s performance by dissipating heat more effectively.
- Please mount the transmitter on the metal of the aircraft. With the addition of heat dissipation glue, it can effectively dissipate heat with the help of the metal shell.
- You can also use the four-roto of the UAV to cool its shell, which is equivalent to an external fan.
- If the transmitter board temperature exceeds 100 שטאַפּל, it will automatically protect itself and the video will be frozen.
פרעגן: What is the Camera resolution? שטיצן HDMI?
פרעגן: What is the power of the transmitter without an additional amplifier? 100-200מוו?
פרעגן: Why is your FPV video transmitter price higher than the UHF analog video transmitter?
ענטפער:
- This FPV video transmitter is not an ordinary FM-modulated analog video transmission.
- Ours is COFDM digital video transmission, not the FM-modulated analog video transmission you understand. Video Quality is SD720P, clearer, סטאַביל. It is more resistant to interference and supports video encryption.
- The FM-modulated video transmission frequencies are 1.2G, 1.3ג, 2.4ג, און 5.8 ג. The biggest advantage of video transmission is that it is cheap. The transmission distance is limited to short distances with an eye-see line of sight.
- Our FPV video transmitter can transmit HD video at ultra-low altitudes and non-line-of-sight conditions. A specialized receiver is required to decode it.
פרעגן: Can we assemble the repeater by ourselves using two sets of receivers and transmitters?
ענטפער: זיכער, you can do like that.
If you need a relay and also control the plane, we recommend that you choose TX900, which just uses three units that can be formed a complete networking, טראַנסמיטער, רעפּעאַטער, and receiver.
If you just need a one-way transmission system to download the video from the UAV to the repeater or ground. We recommend using our FPV repeater devices. ביטע טשעק די אונטן בילד. We have put the receiver and transmitter in one box.
There are two frequencies, לעמאָשל, 800Mhz from the transmitter to the repeater, and 300Mhz from the repeater to the receiver
To avoid interference, you also add two filters, and PA in the repeater module to increase the signal strength.
The above picture is from our engineer, he has a real sample now. The two filters and repeater are not in one box, if you confirm the order, we will do another casing or do casing by yourself according to your uav.
Relay or named repeater, which is a Kit for video re-transmission to extend the range.
The repeater with two filters is almost 450 גראַמז, not including the antenna.
If the relay has two filters, is it still necessary to add a filter for the transmitter and receiver?
It is better to add a narrowband bandpass filter so that the reception performance will be very good.
פרעגן: What is the idea of using two of the same antennas on the receiver?
ענטפער: There are two diversity antennae on the receiver. One is ok, two is better, to get more signal from the transmitter, and increase the reception performance.
פרעגן: What is the bandwidth of the channel?
ענטפער: The default is 6Mb. You also can change it from 2MB, 4מעגאבייטן, 6מעגאבייטן, or 8MB if you want and buy the extra parameter tool board for the transmitter. It is better that you test at our default setting.
פרעגן: Can I combine a directional antenna with a circular?
פרעגן: Is it possible to set the input and output video type manually (כאַווער / נצק)?
ענטפער: כאַווער / NTSC both support, auto-detect, and switch according to your input camera.
פרעגן: We need a configured board for the transmitter. How much it costs?
ענטפער: To reduce the transmitter’s gross weight, the configure tool of the transmitter is external. If you don’t have it, the system is also working well at our default setting. If you have it, you can change the parameters of the transmitter, such as frequency, באַנדווידט, AES password, אאז"ו ו.
פרעגן: Does the receiver have analog and HDMI output?
ענטפער: יאָ, the receiver has both analog (קוובס, composite video output) and HDMI video output.
In order to lower the video latency, the default setting, HDMI is only a video signal, no audio signal.
פרעגן: Extra wave filters for drones – we need this (how much does it cost?)
ענטפער: The FPV transmitter inside already has a low pass filter inside for the drone. Please tell us what requirements do you need.
Frequency Filters have two types, one is a low-pass filter, such as the working frequency is 595Mhz, then over 610Mhz can not be passed. Another filter type is bandwidth pass filter, such 580~610Mhz can be passed, others can not be passed.
פרעגן: We need a direct RF antenna input in the FPV video transmitter metal case. Can you make it?
Now We designed the 45-degree tilt angle to be convenient for the transmitter antenna facing the receiver to increase the reception performance.
פרעגן: Is the power of the transmitter and receiver 12 וואלטס? What amperes?
פרעגן: What are the default settings for this FPV camera transmitter and receiver? (How to reset to factory settings)
פרעגן: Why do transmitters and receivers need to support encryption and decryption functions?
What you should tell us when you order?
אָפטקייַט
The default frequency is 595 מהז. We have stock TX and RX antenna for 595Mhz. For other frequencies, we need almost ten days to customize the antenna and PA power amplifier.
אַנטענע
What type of antenna do you need? Whip transmitting antenna? 60cm length fiberglass antenna with U-type bracket? or with a magnetic base of the in-car antenna?
Extra Parameter Configuration Tool for the TX
Extra Parameter Configuration Tool Board for Transmitter is USD45 for professional buyers. (Receiver has screen and menu to adjust parameter).
Customized FPV Video Transmitter
Default Frequency 595Mhz, No-need receiver antenna
FAQ
ענטפער:
The default frequency is 595Mhz, (the center working frequency of the power amplifier and antenna is 595Mhz, ) I checked that this is not the range of your table mentioned. אין דער צוקונפֿט, the anti-drone jammer may cover 595Mhz, we also can preset different frequencies chosen from 170-860Mhz.
MinimOSD is the function to transmit telemetry of the flight controller with overlay on the video channel.
FPV VTX transmitter and receiver, understand SNR and PW value
FPV1887 supports multi-camera transmitters and one receiver
FPV VTX RX PCBA high-low temperature tested in -40~80°C degree
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