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English  recommended in Table 4, according to the maximum output power of the communications equipment.  and mobile RF communications equipment (transmitters) and the LATITUDE Communicator as   can help prevent electromagnetic interference by maintaining a minimum distance between portable





                          17
                                               to
                                1.7
                             5.4
                                      0.17
                                   0.54
                                             80 MHz
                                                 150 kHz
                             1.6
                          5.0
                                0.50
                                   0.16
                                      0.050
                                                to
                          2.9
                                0.29
                             0.92
                                   0.092
                                      0.029
                                              390 MHz
                                             d = 0.29
                                                to
                                           √P
                             1.1
                          3.6
                                   0.11
                                0.36
                                      0.036
                                              470 MHz
                                             d = 0.36
                                                 430 MHz
                          2.1
                                0.21
                             0.66
                                   0.066
                                      0.021
                                                  MHz
                                            GHz
                                               GHz
                                                 1.7-1.99
                                             2.4-2.57
                                                    800-960
                          17
                                1.7
                             5.4
                                   0.54
                                      0.17
                                             d = 1.7 √P
                             2.0
                          6.3
                                   0.20
                                0.63
                                                 to
                                            √P
                                      0.063
                     The LATITUDE Communicator is intended for use in an electromagnetic environment in which
                                               5.8 GHz
                                             d = 0.63
                                 e.
                                         d.
                                                 manufacturer.
                                           range applies.
                                   objects, and people.
                            draft of IEC 60601-1-2:
                               calculated using the following
                                 The separation distances are
                                     and reflection from structures,
                                         These guidelines may not apply
                                                  (W) according to the transmitter
                                        in all situations. Electromagnetic
                      manufacturer, d is the separation
                         output power of the transmitter in
                                             distance for the highest frequency
                                                               For transmitters rated at a maximum
                                      propagation is affected by absorption
                              equation adopted from the 4th edition
                           d = (5/E) √P where P is the maximum
                                               At 80 MHz and 1 GHz, the separation
                       watts (W) according to the transmitter
              94  compliance level.  distance in meters (m), and E is the  LATITUDE Communicator Patient Manual   c.   2.7 GHz  1 GHz to  5.1 GHz   rating of the transmitter in Watts   P is the maximum output power   frequency of the transmitter, where   using the equation applicable to the   d in m
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