TransCore 05531 User Manual
Encompass 4/4800 Multiprotocol Reader System Guide
2-14
If more than one Encompass 4/4800 Multiprotocol Reader and antenna is in a side-by-
side or multiple lane application, the frequencies should be staggered. Also, Encom-
pass 4/4800 Multiprotocol Readers may not operate accurately if the antennas directly
face each other or are positioned back-to-back.
side or multiple lane application, the frequencies should be staggered. Also, Encom-
pass 4/4800 Multiprotocol Readers may not operate accurately if the antennas directly
face each other or are positioned back-to-back.
Table 2-1 shows examples of staggered reader frequencies in a site with up to 14 read-
ers.
ers.
Lane Configurations
TransCore recommends that traffic be guided through a controlled lane to consistently
obtain accurate tag readings and to prevent physical damage to the Encompass 4/4800
Multiprotocol Reader . The following subsections describe some common lane con-
figurations and offer suggestions for positioning the Encompass 4/4800 Multiprotocol
Reader within the controlled traffic flow.
obtain accurate tag readings and to prevent physical damage to the Encompass 4/4800
Multiprotocol Reader . The following subsections describe some common lane con-
figurations and offer suggestions for positioning the Encompass 4/4800 Multiprotocol
Reader within the controlled traffic flow.
Gate with Center Island Configuration
Figure 2-3 illustrates a typical gate application with the Encompass 4/4800 Multipro-
tocol Reader units positioned on a center island to read tags mounted on the inside
windshield on the driver’s side (United States). The readers are placed to allow time
for the gate to open so the vehicle can roll through without stopping while not allow-
ing room for an untagged vehicle to be between the vehicle being read and the gate.
tocol Reader units positioned on a center island to read tags mounted on the inside
windshield on the driver’s side (United States). The readers are placed to allow time
for the gate to open so the vehicle can roll through without stopping while not allow-
ing room for an untagged vehicle to be between the vehicle being read and the gate.
Table 2-1 Examples of Staggered Reader Frequencies
Lane Number
Reader Frequency
Lane Number
Reader Frequency
1
912.5
2
915
3
917.5
4
913.5
5
916
6
918.5
7
914.5
8
917
9
913
10
915.5
11
918
12
914
13
916.5
14
919