IT2200 Reader System with Multimode Capability Installation & Maintenance/Service Guide
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Table 3-1 shows the downlink and uplink specifications.
Table 3-1 IT2611 RF Module Uplink and Downlink Specifications
Description Specification Comments
Downlink frequency selection Adjustable from 912 to 918.75
MHz
Other frequencies locked out
by software control. Set by
qualified technicians at the
time of installation.
Downlink frequency stability ≤20 ppm Minimizes lane-to-lane
interference for ATA tag
mode.
Downlink frequency control step size ≤250 kHz N/A
Downlink RF power output 1 W maximum Minimum attenuation/
Maximum gain
Downlink RF power control 0 to ≥15dB
attenuation control
Set by host computer
command; facilitates lane
tuning
Downlink RF power control steps 1dB nominal N/A
Downlink modulation depth/spectrum Tailored to meet tag
requirements
An example is Title 21
Uplink frequency selection Adjustable from 902 to 904
MHz and from 909.75 to
921.75 MHz
Other frequencies locked out
by software control. Set by
qualified technicians at the
time of installation.
Uplink frequency stability ≤20 ppm Minimizes lane-to-lane
interference for ATA tag
mode.
Uplink frequency control step size ≤250 kHz N/A
Uplink RF power output (transmit) 1 W maximum N/A
Uplink RF power control (transmit) 0 to ≥15dB attenuation Set by host computer
command; facilitates lane
tuning
Uplink RF power control steps
(transmit)
1dB nominal N/A