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  • Sellerhotstore.us
  • List PriceUS$74.99piece
  • Sale PriceUS$74.99piece
  • ShippingFree Shipping
  • Ratings4,9 (372)

Product Description

Note: the mode of RP-SMA Male Or SMA Male is antenna connector,not the SWR Meter


The SWR Meter was designed and manufactured by OWLRC TEAM. Our lead designer, Flashback, he is a professional RF engineer also a fanatical FPV pil ot, who designed the UI and most part of it.

After one year development, we finally start the production of the SWR METER.

The OWLRC SWR METER is a simple and handy device. The signal source is from an TS5823S 200mw VTX. Signal passes through directional coupler and detector diode converts the 5.8ghz signal to a Vfw(voltage forwarded) and Vrev(voltage reversed), the board calculates the SWR value in realtime based on: VSWR=[1+(Vrev/Vfwd)]/[1-(Vrev/Vfwd)], in order to analyze antenna's performance.


Customized OWLRC STM32 board and directional coupler


Specification:
Frequency range: 5.645Ghz to 5.945Ghz
Power input: 3S Li-Po only
Screen: TFT 2.8" touch screen
Antenna Connector: SMA Male/RP-SMA Male
Internal Transmitter: TS5823S 200mw 40CH

Feature:
Real Time: It allows to check SWR from one selected channel in real time.
Scan Mode: Scan mode is used to run a full range of available frequencies
from 5.645Ghz to 5.945Ghz with the internal transmitter.


Accuracy:
High frequency device has never been easy, device is more sensitive as the frequency goes higher. So we decided to use ceramic coupler IC to reduce unexpected interferences. Unfortunately, due to limitation of components, the test results was slight deviate at higher frequency.

After many tests and upgrades, we have managed to make the meter works in an acceptable range of errors. Which is about 80% accurate compared to a professional network analyzer. And this result has achieved our original purpose: a device can shows us the performance of an antenna, more important it gives a reference basis relative to the accuracy of a tool.

Compared photo between professional network analyzer and OWLRC SWR METER
(Yellow line is VNA, Green line is OWLRC SWR METER)



Package included:
1 x OWLRC SWR METER


OWLRC 5.8G 200mw 40CH VTX TFT 2.8 Inch Touch Screen SWR METER SMA/RP-SMA Male
OWLRC 5.8G 200mw 40CH VTX TFT 2.8 Inch Touch Screen SWR METER SMA/RP-SMA Male
OWLRC 5.8G 200mw 40CH VTX TFT 2.8 Inch Touch Screen SWR METER SMA/RP-SMA Male
OWLRC 5.8G 200mw 40CH VTX TFT 2.8 Inch Touch Screen SWR METER SMA/RP-SMA Male
OWLRC 5.8G 200mw 40CH VTX TFT 2.8 Inch Touch Screen SWR METER SMA/RP-SMA Male
OWLRC 5.8G 200mw 40CH VTX TFT 2.8 Inch Touch Screen SWR METER SMA/RP-SMA Male
OWLRC 5.8G 200mw 40CH VTX TFT 2.8 Inch Touch Screen SWR METER SMA/RP-SMA Male
OWLRC 5.8G 200mw 40CH VTX TFT 2.8 Inch Touch Screen SWR METER SMA/RP-SMA Male
OWLRC 5.8G 200mw 40CH VTX TFT 2.8 Inch Touch Screen SWR METER SMA/RP-SMA Male

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