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Custom Made Very Sensittive High Performance 433Mhz Tuned Antenna VSWR 1.2 or Better!

Custom Made Very Sensittive High Performance 433Mhz Tuned Antenna VSWR 1.2 or Better!

FOB Price

أحصل على آخر سعر

90 ~ 117 / Set ( Negotiable )

|

Minimum Order

Place of Origin:

-

Price for Minimum Order:

Minimum Order Quantity:

1 Set

Packaging Detail:

-

Delivery Time:

-

Supplying Ability:

150 Set per Year

Payment Type:

T/T, L/C, PayPal

الاتصال الآن
GEORGIOS VERGAKIS

GEORGIOS VERGAKIS

Greece

عضو مجاني

الشخص الذي يمكن الاتصال به Mr. GEORGIOS

Suite 3302 kisamou street, Chania, Other

الاتصال الآن

Description

This is a sharply tuned whip type antenna, for use at **3Mhz, for data links, automation control etc. The antenna has an impedance match network and a  noise suppression filter specifically for enhancing operation at **3Mhz, and it is tuned,  for low SWR, 1.2 or lower, as low as almost 1:1 is possible! Which is very rare to find and hard to achieve.
 

Discounts available on bulk orders!
 
I originally designed and tested this antenna setup because the commercially available whip type antennas performed very bad, they are supposed to have a *0 ohm impedance but in fact they are all over the place resulting in SWR as bad as 7!  A standing wave ratio (SWR) of 5 or 7 is very bad, and not only reduces the range of a remote control system, but it can even damage your transmitter. It\'s like attempting to start a car uphill, in the 4rth or 5th gear! The transmitter gives a lot of power, and the poorly designed antenna cannot absorb it and transmit it out. That\'s why I made these antennas to be able to have much lower SWR, as low as 1, and to also have a noise reduction filter, so that only the desired frequency is seen by the antenna input/output.

These antennas are made one by one, each one requires different tuning process, and it is also tested one by one in a remote control system receiver, requiring to work over 5.5km at the set power level.


This improves reception in noisy, industrial environment, and enhances the operational range of wireless systems at this frequency band, as opposed to most cheap antennas.


Cable used is RG *8, cut to specific length prior to the final tuning and test process.


Coax connector can be SMA, or other.


Antenna length: *4cm

Cable length: custom

SWR:  1.2 or lower


Suitable for use either as a receiving antenna, or even as a high power transmitting antenna.


 

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