Huace Navigation Technology A01004 GNSS receiver User Manual Warnings for users SATEL TA18

Shanghai Huace Navigation Technology LTD. GNSS receiver Warnings for users SATEL TA18

Contents

RF Exposure Warning Statements

RF EXPOSURE WARNINGS TO USERS
SATEL-TA18 radio modem
FCC ID: MRBSATEL-TA18
INFO LETTER
October 18th, 2010 / MaritaL
Page 1 of 3
Warnings to be added to the user guide of SATEL-TA18 radio modem module
°
WARNING!
Users of SATELLINE-EASy Pro 35W radio modems in North America should be
aware, that due to the allocation of the frequency band 406.0 – 406.1 MHz for government
use only, the use of radio modem on this frequency band without a proper permit is strictly
forbidden.
Warning – RF Exposure
"Warning: To comply with FCC RF exposure compliance requirements, a separation distance of at
least xx cm must be maintained between the antenna of this device and all persons. This device must not
be co-located or operating in conjunction with any other antenna or transmitter."
Modification warning statement
"Changes or modifications not expressly approved by the party responsible for compliance could void the
user's authority to operate the equipment."
Class B digital device statement
"Note: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in
a particular installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help."
RF EXPOSURE WARNINGS TO USERS
SATEL-TA18 radio modem
FCC ID: MRBSATEL-TA18
INFO LETTER
October 18th, 2010 / MaritaL
Page 2 of 3
Safe distances for General Public Use

2
150/4 mWf
PG
R
S
Due to numerous different applications, it is reasonable that users are not always aware of parameters of
all components in a SATEL-TA35 radio modem system. However, obeying the safe distances in the table
below, every user can easily fulfil the Canadian authority limit (depends on the frequency in use) for
human exposure to radio frequency radiation in general public use.
Radio Modem Model Minimum safe distance to the antenna
For General Public use
SATEL-TA18
F
105.9 cm
Safe distances for Controlled Use
Calculated by formula below:

2
30/4 mWf
PG
R
S
Minimum distance however being always at least 20 cm.
Advanced users and system designers who are fully aware of key parameters of SATEL-TA35 radio
modem system are allowed to follow the safe distances for controlled use listed in the table below.
Tx output
power
[W]
Antenna system
gain
[dBi / numeric]
Tx duty cycle
[%], 6 min.
average
Frequency
[MHz]
Minimum safe
distance
[cm]
35
8 / 6.310
100 470 236.8
50 470 167.5
20 470 105.9
10 470 74.9
6 / 3.981
100 470 188.1
50 470 133.0
20 470 84.1
10 470 59.5
2 / 1.585
100 470 118.7
50 470 83.9
20 470 53.1
10 470 37.5
25 8 / 6.310
100 470 200.2
50 470 141.5
20 470 89.5
10 470 63.3
RF EXPOSURE WARNINGS TO USERS
SATEL-TA18 radio modem
FCC ID: MRBSATEL-TA18
INFO LETTER
October 18th, 2010 / MaritaL
Page 3 of 3
6 / 3.981
100 470 159.0
50 470 112.4
20 470 71.1
10 470 50.3
2 / 1.585
100 470 100.3
50 470 70.9
20 470 44.9
10 470 31.7
15
8 / 6.310
100 470 155.0
50 470 109.6
20 470 69.3
10 470 49.0
6 / 3.981
100 470 123.2
50 470 87.1
20 470 55.1
10 470 38.9
2 / 1.585
100 470 77.7
50 470 54.9
20 470 34.7
10 470 24.6
10
8 / 6.310
100 470 126.6
50 470 89.5
20 470 56.6
10 470 40.0
6 / 3.981
100 470 100.6
50 470 71.1
20 470 45.0
10 470 31.8
2 / 1.585
100 470 63.4
50 470 44.9
20 470 28.4
10 470 20.1
5
8 / 6.310
100 470 89.5
50 470 63.3
20 470 40.0
10 470 28.3
6 / 3.981
100 470 71.1
50 470 50.3
20 470 31.8
10 470 22.5
2 / 1.585
100 470 44.9
50 470 31.7
20 470 20.1
10 470 20

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