Operations Guide
9 Appendix A: Information Specic to Regions of Operation
The Impinj R700 reader is designed to work in various regulatory regions. This appendix contains frequency
ranges and antenna requirements specic to each supported region.
9.1 Operation in North America
9.1.1 Frequency Plan in North America
The FCC species frequency hopping across the North American spectrum (USA, Canada, and Mexico)
allocated to UHF RFID (902-928 MHz) using FHSS (frequency-hopping spread spectrum). The frequency
plan is further explained in the table below:
Frequency Plan for North America
Transmit Channel Number Center Frequency (MHz)
1 902.75
2 903.25
3 903.75
4 904.25
… …
49 926.75
50 927.25
9.1.2 Antenna Requirements in North America
Positioning
FCC Maximum Permissible Exposure (MPE) guidelines require the antenna’s surface to be at least 25
centimeters away from personnel working in the area. For more information, see the following FCC bulletins:
• FCC OET Bulletin 65: Evaluating Compliance with FCC Guidelines for Human Exposure to Radiofre-
quency Electromagnetic Fields
• FCC OET Bulletin 56: Questions and Answers about Biological Eects and Potential Hazards of
Radiofrequency Electromagnetic Fields
Canadian ISED Maximum Permissible Exposure Guidelines require the antenna’s surface to be at least 35
centimeters from personnel working in the area. For more information see Radio Standards Specication
RSS-102 Issue 5 dated April 2018
Installation
The Impinj R700 reader is capable of up to +33.0 dBm conducted power on the housing RF connector and
requires professional installation.
Power
When paired with an antenna, the reader may radiate no more than 36dBm EIRP per FCC Part 15.247
regulations. The reader output power can be increased to provide the maximum allowable EIRP subject
to a maximum conducted power allowance of 30 dBm at the antenna connector. The maximum allowable
output power of the reader can be set to satisfy both the conductor and radiated maximum criteria. The
expression for the maximum reader power setting is:
Maximum power setting (in dBm) = the Smaller of: (36 - Composite Antenna Gain (in dBm)), or (30 +
Cable Lost (in dBM))
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