Module Information

Reference Schematics

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Antenna Design Configuration


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Types of antenna connectors

 

 

The original SMA design called for two compliant connectors :

 

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SMA Male connector
SMA Female connector

© 2021 RadioControlli S.r.l.  VAT IT03939360610 All right reserved.

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SMA Female Connector

SMA Male Connector

The FCC has introduced changes regarding the use of this type of connectors regarding Part 15 compliance, which means that all SMA RF connectors are changing gender (center pin).

The modification by the FCC was instituted to prevent home users from damaging RF (home WiFi) equipment when screwing an antenna. If all antennas are female, there is no way to damage the center connector. Therefore to be compatible with FCC regulations it is necessary to use the connectors called

RP-SMA connector (where RP stands for "reverse polarity").

 

RP-SMA Connectors

 

The only thing that changed with FCC Part 15 compliance was the center pin, thus reversing the polarity of the connection and forming a "new" standard; the reverse biased SMA (RP-SMA). The RP (reverse polarity) is named after its "gender of the wire" and has an opposite sex pin. The next two photos are considered reverse polarized (RP-SMA)

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RP-SMA Female connector
RP-SMA Male connector

RP-SMA  Female connector

RP-SMA  Male connector

rctask2

RadioControlli Antennas

 

 

RP-SMA Male connector
RP-SMA Male connector

Model: RC-TASK2-868

Description: 

ASK/OOK transmitter module with Crystal oscillator.

 

Vdc: 2.2 ÷ 3.6Volt

Current:  21/15mA

Frequency: 868.30MHz​

Power : 10dBm

Dimension: 20.32 x 11.43mm 

SMA Connector

 

RC-ANT-433-SMA

RC-ANT-868-SMA

RP-SMA Connector

 

RC-ANT-433-RP-SMA

 

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