The 21831 is a half-wave dipole whip antenna designed to attach directly to the SMA connector of a cellular modem operating at a frequency of 850 MHz. An antenna cable is not required. The 21831 is a lower-gain, omnidirectional antenna that transmits short distances.Read More
The 21831 attaches directly to a cellular modem with SMA antenna connector. An antenna cable is not required. This unity gain omnidirectional antenna should reside inside a building or enclosure.
|Connector||SMA pin (male), plug|
|Frequency Band||824 to 896 MHz|
|Gain||< 0 dBD (1.8 dBi)|
|Antenna Type||1/2 wave dipole, indoor|
|Material||Black polyurethene with polycarbonate swivel and black chrome-plated brass connector|
|Operating Temperature||-20° to +65°C|
|Storage Temperature||-30° to +75°C|
|Diameter||1.25 cm (0.49 in.)|
|Length||22.4 cm (8.8 in.)|
|Weight||< 5 g (< 0.01 lb)|
The 21831 is compatible with any radio that has an SMA jack connector that operates between 824 and 896 MHz. Specifically, it is compatible with the RavenXT-series and LS300 cellular modems with SMA connectors. It is not compatible with the TNC antenna connections of the Raven100-series and Redwing100-series modems.
Number of FAQs related to 21831: 1
Unless otherwise designated as a powered or amplified antenna, antennas are passive devices that do not require external power for operation.