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This product is no longer available and has been replaced by: 38485.
31128 8 dBd Yagi Wideband Antenna with Mounting Hardware
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概要

The 31128 is a wideband Yagi directional antenna. It is uniquely suited for cellular applications because of its ability to provide gain across all of the cellular frequency bands. The antenna has a Type N Female connector and includes the mounting hardware.

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詳細

The 31128 is a high-gain, directional, Yagi antenna. Its narrow beam width requires precise aiming. This antenna is for fixed installations. It is not intended for mobile applications. For more information, refer to this full-color gain plot. 

仕様

Antenna Type Yagi, directional, dc grounded
Gain
  • 5.8 dBd (700 to 800 MHz)
  • 5.8 dBd (824 to 894 MHz)
  • 4.8 dBd (880 to 960 MHz)
  • 6.8 dBd (1710 to 1880 MHz)
  • 8.3 dBd (1850 to 1990 MHz)
  • 7.8 dBd (1990 to 2700 MHz)
Average SWR
  • 1.6:1 (700 to 800 MHz)
  • 1.4:1 (824 to 894 MHz)
  • 1.3:1 (880 to 960 MHz)
  • 1.2:1 (1710 to 1880 MHz)
  • 1.2:1 (1850 to 1990 MHz)
  • 1.2:1 (1990 to 2700 MHz)
Impedance 50 ohm
Horizontal Beam Width 70° to 90°
Vertical Beam Width 85° to 110°
Front/Back Ratio > 20 dB
Maximum Power 100 W
Polarization Vertical
Connector Type N female
Temperature -40° to +158°F
Wind Surface Area < 465 cm2 (0.5 ft2)
Mounting 3.18 to 5.08 cm (1.25 to 2 in.) OD pipe
Dimensions 29.01 x 21.01 x 6.50 cm (11.42 x 8.27 x 2.56 in.)
Weight 1.50 kg (3.31 lb)

互換性

注意： 以下は代表的な互換性情報を示しています。互換性のある製品や互換性のない製品をすべて網羅したリストではありません。

Data Loggers

製品 互換性 注意
CR300 (リタイア) Compatible with the -WIFI, -RF407, -RF412, -RF422, -RF427, and -CELL2XX options.
CR310 Compatible with the -WIFI, -RF407, -RF412, -RF422, -RF427, and -CELL2XX options.
CR6 Compatible with the -WIFI, -RF407, -RF412, -RF422, -RF427, and -RF451 options.
CRVW3 Compatible with the -RF451, -RF407, -RF412, and -RF422 options.
CRVW3-NE Compatible with the -RF451, -RF407, -RF412, -RF422, and -RF427 options.

Communication Devices

製品 互換性 注意
CELL205
CELL210
CELL215
CELL220
CELL225
NL240 (リタイア)
NL241
RF401 (リタイア)
RF401A
RF407
RF411A
RF412
RF416
RF422
RF427
RF451 (リタイア)
RF452
RV50X

互換性に関する追加情報

This antenna is compatible with all of our radios that operate between 700 and 2700 MHz. However, the 31128 is uniquely suited for use with cellular modems. This antenna can be used with any of our cellular product offerings. A coaxial cable is required to attach the 31128 to the radio. This antenna typically attaches to a cellular modem via the 21847 12 ft cable or the COAXSMA-L. If surge protection is required, the 31128 connects via the COAXNTN-L and 31317 surge protection kit.

Mounting

The antenna includes a mount/U-bolt assembly that allows the antenna to be secured to a mast, crossarm, or user-supplied pole with an outer diameter of 3.18 to 5.08 cm (1.25 to 2 in.). The antenna should be mounted with 3 feet of clearance in all directions around it. The 31128 should be positioned so that it has the most unobstructed line of sight to the cellular service provider’s strongest signal, and it should be mounted so that the weep holes are pointing down.

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