WA-0851 Antenna Distribution System

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The WiNRADiO WA-0851 Antenna Distribution System is an antenna switching and distribution device integrated with inbuilt frequency downconverters. While it particularly excels in combination with the WiNRADiO MS-8118/G3 Multichannel Surveillance and Monitoring System (whose frequency range it extends up to 8.599 GHz), this device can also be used with third-party receiver systems. It can be operated stand-alone via front panel controls, or remotely via USB or LAN interface.

The WA-0851 system features 8 antenna inputs (4 separate inputs for HF/VHF/UHF ranges, 4 separate inputs for SHF) and 8 receiver outputs. Internally, it consists of antenna matrix switches, high dynamic range preamplifiers and high stability frequency downconverters. These downconverters convert input frequencies over 1.8 GHz (up to 8.599 GHz) to the 0-1.8 GHz output frequency range. The WA-0851 system is eminently suitable for government, defence, law enforcement and other demanding high-end applications.

The antenna inputs can be customized and configured according to the user request by using HF, VHF, UHF, SHF1 and SHF2 modules for frequency ranges shown below:
 

Module	Bottom frequency	Top frequency
HF	0.4 MHz	30 MHz
VHF	30 MHz	300 MHz
UHF	300 MHz	1.800 GHz
SHF1	1.800 GHz	3.500 GHz
SHF2	1.800 GHz	8.599 GHz

The unit also contains convenient power supplies for external antenna preamplifiers (12 V current-limited DC voltage source is internally applied to the antenna leads of HF, VHF and UHF inputs).

The WA-0851 is factory-configurable for any combination of the eight antenna inputs, which can be either HF, VHF, UHF, SHF1 or SHF2. For example, a WA-0851 unit can have eight HF inputs, or eight VHF inputs, or one HF plus one VHF plus two UHF inputs plus four SHF2 inputs, etc. All combinations are possible, as long as the total number of inputs is eight. Here are a few common configuration examples:
 

Product Code	Description
WA-0851/8H	8 x HF (0.4-30 MHz) inputs
WA-0851/8V	8 x VHF (30-300 MHz) inputs
WA-0851/8U	8 x UHF (300-1800 MHz) inputs
WA-0851/2H-V-U-2S1-2S2	2 x HF (0.4-30 MHz), 1 x VHF (30-300 MHz), 1 x UHF (300-1800 MHz), 2 x SHF1 (1.8-3.5 GHz), 2 x SHF2 (1.8-8.599 GHz) inputs
WA-0851/H-2V-U-4S2	1 x HF (0.4-30 MHz), 2 x VHF (30-300 MHz), 1 x UHF (300-1800 MHz), 4 x SHF2 (1.8-8.599 GHz) inputs
WA-0851/H-V-2U-4S1	1 x HF (0.4-30 MHz), 1 x VHF (30-300 MHz), 2 x UHF (300-1800 MHz), 4 x SHF1 (1.8-3.5 GHz) inputs
WA-0851/2H-2V-2U-2S2	2 x HF (0.4-30 MHz),2 x VHF (30-300 MHz), 2 x UHF (300-1800 MHz), 2 x SHF2 (1.8-8.599 GHz) inputs

Features

• Wide frequency range from 0.4 MHz to 8.599 GHz
• Inbuilt downconverters to 0-1.8 GHz output frequency range
• 8 antenna inputs, 8 receiver outputs
• Custom configurations available
• Manual or remote control
• High IP3 matrix switches and amplifiers
• High isolation
• High stability down-conversion
• Ruggedized enclosure for mobile operations

Technical Specifications WA-0851