ETRX358USB
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R e v i s i o n – 0 . 3
10. Regulatory Information
United States of America (FCC)
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may
cause undesired operation.
Note that 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:
1. Reorient or relocate the receiving antenna.
2. Increase the separation between the equipment and receiver.
3. Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
4. Consult the dealer or an experienced radio/TV technician for help.
Modifications not expressly approved by the manufacturer could void the user's authority to
operate the equipment under FCC rules. An FCC declaration of conformity is available
separately from Silicon Labs.
The ETRX358USB contains a modular radio transmitter with the FCC ID S4GEM358X. For
FCC compliant use, the device should be configured as shown in Table 10-1.
Channels
11 - 18
19 - 24
25
26
Maximum Output Transmit
Power
8 dBm
8 dBm
7 dBm
-8 dBm
Table 10-1 - FCC TX Power Limits
This equipment complies with FCC portable radiation exposure limits set forth for an
uncontrolled environment.