Data Sheet

SHENZHEN FIRST TECHNOLOGY CO.,LTD FST50_04E WIFI DataSheet
http：// www.fst-tech.com
3
(2) this device must accept any interference received, including interference that may cause
undesired operation.
Information on test modes and additional testing requirements5
Data transfer module demo board can control the EUT work in RF test mode at specified test channel.
Additional testing, Part 15 Subpart B disclaimer
The module without unintentional-radiator digital circuit, so the module does not required an
evaluation by FCC Part 15 Subpart B. The host should be evaluated by the FCC Subpart B.
ATTENTION
This device is intended only for OEM integrators under the following conditions: 1) The antenna
must be installed such that 20 cm is maintained between the antenna and users, and
2) This device and its antenna(s) must not be co‐located with any other transmitters except in
accordance with FCC multi‐transmitter product procedures. Referring to the multi‐transmitter policy,
multiple transmitter(s) and module(s) can be operated simultaneously without C2P.
3) For all products market in US, OEM has to limit the Operating Frequency: 2412MHz~2462MHz
by supplied firmware programming tool. OEM shall not supply any tool or info to the end‐user
regarding to Regulatory Domain change.
USERS MANUAL OF THE END PRODUCT:
In the user manual of the end product, the end user has to be informed to keep at least 20cm
separation with the antenna while this end product is installed and operated. The end user has to be
informed that the FCC radio‐frequency exposure guidelines for an uncontrolled environment can be
satisfied. The end user has to also be informed that any changes or modifications not expressly
approved by the manufacturer could void the user's authority to operate this equipment.
If the size of the end product is smaller than 8x10cm, then additional FCC part 15.19 statement is
required to be available in the users manual: This device complies with Part 15 of 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.
FCC WARNING
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions:
Any changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.
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 generate, 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