VHF-UHF Bi-Directional Amplifier Installation and Users Guide
System Operation: 5.5 RF Configuration
WESTELL.COM
1-800-377-8766
Page 5-20
Click the
MAIN MENU
button at the bottom of the RF Configuration page to return to
the System Status page.
DL and UL Center Frequencies (MHz) - In edit mode, click
to edit values. When entering either the DL or UL
frequency, depending on the model*, the other setting
might automatically be entered with an appropriate offset:
UHF Duplex, 4-Port Duplex, or Dual Window Duplex
models:
450-470 MHz: +5 UL from DL
470-512 MHz: +3 UL from DL
VHF/UHF Switched Simplex models: UL and DL
settings are automatically duplicated
VHF Duplex and 4-Port Simplex models: UL and DL
Center Frequencies are independent
*
See the product description under SYSTEM
INFORMATION on the SYSTEM SETTINGS page.
Filter Bandwidth - In edit mode, select between available
bandwidths. Available bandwidths vary by band, class,
and/or filter.
Note:
The narrower the filter, the greater the group delay
and possible impact on P25 digital transmissions.
DL and UL Attenuation - In edit mode, click and drag slide
tool to set value (dB). This attenuation applies to this filter
only, and typically is used to balance incoming RF signals.
DL and UL Output Power - Displays RF output power
(dBm) for individual filters.
Table 5-5 RF Configuration page filter settings
Feature
Description
