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YA 900

Low-Cost Holiday and Weekend Cottage Directional Antenna for Cellular Networks in the 900 MHz Band

  • Low-cost and low-weight directional antenna.
  • Ideal for use on caravans, mobile homes and at weekend cottages.
  • Significant improvement of the quality of the mobile communitation in areas with unsatisfactory coverage (YA 900 to be directed towards the nearest base station).

    REPLACED BY GSM900 Light duty Yagi antenna

DESCRIPTION

  • Approx. 10 dBd gain.
  • For use with 900 MHz cellular networks (EGSM, NMT-900, ETACS).
  • For mobile telephones being used in “semi-stationary” installations.
  • “Built-in” mounting bracket.
  • Supplied with fittings and bolts for mounting on 30 - 50 mm diameter mast tube.

ORDERING DESIGNATIONS

TYPE PRODUCT NO.
YA 900 REPLACED BY GSM900 Light duty Yagi antenna

SPECIFICATIONS

ELECTRICAL
MODEL YA 900
ANTENNA TYPE 7-element Yagi-antenna
FREQUENCY 870 – 960 MHz
IMPEDANCE Nom. 50 Ω
POLARIZATION Linear (vertical or horizontal dep. on orientation)
GAIN 12 dBi 10 dBd
FRONT-TO-BACK-RATIO ≥ 15 dB
HALF-POWER BEAMWIDTH Approx. 50° (H-plane)
BANDWIDTH 100 MHz
SWR ≤ 1.5
MAX. POWER 25 W
MECHANICAL
MATERIALS Antenna: Gold aludine, Aluminium
Fittings: Stainless steel
COLOUR Aludine “gold”
TOTAL LENGTH 710 mm
HEIGHT 170 mm
WEIGHT 315 g
CONNECTORS FME-connector (cable to be ordered separately)
MOUNTING On 30–50 mm dia. mast tube

HOW TO USE THE ANTENNA

With the YA 900 you will experience a significant improvement of the quality of your communication on the 900 MHz cellular networks (EGSM, NMT-900, ETACS ect.).

 

The antenna makes it possible to use your mobile telephone in areas with a poor coverage and where it is sometimes very difficult to obtain and maintain a satisfactory connection.

 

The YA 900 is ideal for use on caravans, mobile homes, at weekend cottages and other places where the mobile telephone is used in "semi-stationary" installations.

 

 

INSTALLATION STEPS

  • Mount the antenna on a 30 - 50 mm diameter mast tube using the accompanying fittings and bolts (see illustration on the other page). The antenna is to be oriented as indicated on the connection box of the antenna.
  • Connect the antenna to the mobile telephone using an FME-cable of appropriate length and an adapter for connection of an exterior antenna to the handportable.
  • Direct the antenna towards the nearest base station for the 900 MHz cellular network in question. The correct direction may be determined using the field strength indicator on the mobile telephone:

 

  • Turn on the telephone and note the field strength level on the indicator.
  • Rotate the antenna (in the horizontal plane) while observing the field strength indicator.
  • Choose the direction in which the highest field strength level is observed and fasten the antenna.

 

 

TYPICAL GAIN AND SWR CURVES

 

 

TYPICAL RADIATION PATTERN (E-PLANE)

 

 

TYPICAL RADIATION PATTERN (H-PLANE)

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