August 2012

Doc ID 023516 Rev 1

1/14

AN4147

Application note

Using the SPIRIT1 transceiver under FCC title 47 part 15 in the

315 MHz band

By Placido De Vita

Introduction

The SPIRIT1 is a very low power RF transceiver, intended for RF wireless applications in the

sub-1 GHz band. It is designed to operate in both the license-free ISM and SRD frequency

bands at 169, 315, 433, 868, 915 and 920 MHz.

This application note outlines the expected performance when using the SPIRIT1 under

FCC title 47 part 15 [

2] in the 315 MHz band. There are no specific requirements in this

band, no specific use and no channel spacing are defined.

For details on the regulatory limits in the 315 MHz frequency band, please refer to the FCC

Title 47 Part 15 regulations [

2].

These can be downloaded from:

http://wireless.fcc.gov/index.htm?job=rules_and_regulations.

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