Antenna
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By default, Waspmote Plug & Sense! has one external antenna with a standard SMA connector. This connector allows to connect the RF antenna. See next section for more information about other antenna options.
To ensure good RF coverage, be sure that the antenna points to the sky and also be sure that the antenna is screwed completely to the connector. To connect the antenna, just align it with the connector and screw it carefully. Antenna must be always connected in order to ensure a good RF communication.
Do not try to connect other kind of antennas which do not match with SMA standard connector and also other antennas not provided by Libelium.
The Waspmote Plug & Sense! models including a 4G radio will have 2 antenna connectors: the cellular main antenna and the cellular diversity antenna. The antenna to be connected is the same on both cases. See the pictures below to identify each 4G antenna connector. The 2 antennas must be properly connected for the right operation of the 4G radio.
The Waspmote Plug & Sense! models including a GPS receiver will have 3 antenna connectors: the main radio antenna connector, the GPS antenna connector and an unused antenna connector. The GPS antenna and the main antenna are different. The GPS antenna is easy to identify: it is a square and magnetic antenna with a long cable (2 m). See the pictures below to identify each GPS antenna connector.
