User's Manual

OS2400 Radio Module Exhibit 21: User Manual 3 FCC ID: OQ7OS2400
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?? Same requirements as the ¼?whip antenna
?? SubTypes (2 versions)
?? Self contained w/ ground plane and connector
?? Other versions are meant to be mounted to a circuit board which provided
connection and ground plane
2. 9dBi Gain Antenna (7-9dBi)
?? Highest gain antenna allowable for point - multipoint networks
?? Radiates uniformly around the antenna (Aismuth)
?? Has limited elevation angle
?? Used mostly as a master radio in the network
3. 15dBi Gain Antenna
?? Restricted to point-point network only
?? Used when long distances are needed
?? Can be used by both the master and remote of the network
?? SubTypes;
?? Plate – are generally 2ft. square and several inches thick, they mount vertically
and the face of the plate points in the direction of radiation
?? Yagi / Tube – range from 18” to 32” in length, and about 2” in diameter. They
mount horizontallyand point in the direction of radiation.
?? Corner reflector / small radiating element with an L-shape reflector behind the
antenna.
?? Parabolic / square reflector and shaped to form a pseudo-parabola with a
radiating element in the center