Samsung Electronics Co NFA455 Wireless LAN Module User Manual

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Document ID	2606106
Application ID	vLuwe7pV4Z6hPPKP0xYGBQ==
Document Description	Users Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	51.05kB (638083 bits)
Date Submitted	2015-05-06 00:00:00
Date Available	2015-05-06 00:00:00
Creation Date	2015-03-25 16:35:03
Producing Software	Adobe PDF Library 11.0
Document Lastmod	2015-04-13 09:38:33
Document Title	Users Manual
Document Creator	Wordìš© Acrobat PDFMaker 11
Document Author:	UCS

OEM/Intergrator manual of NFA455
1. Introduction
NFA455 is a Wi-Fi / Bluetooth Combo module compliant with Dual-band 1x1 IEEE802.11a/b/g/n/ac and
Bluetooth 4.1+HS optimized for low-power applications.
The core chipset is from Qualcomm, part number QCA9377.
2. Hardware Architecture:
2.1 Main Chipset Information
Item
IEEE802.11 a.b.g.n.ac
Vendor
Part Number
mac/baseband/radio
Bluetooth 4.1 + HS
Qualcomm
QCA9377
2.2 Circuit Block Diagram
The major internal and external block diagram of NFA455 is illustrated in Figure 1-1.
Figure 1-1 NFA455 block diagram and System Interface

Main (ANT0): WLAN 2.4G(2412~2462MHz), 5G(5180~5825MHz)

Aux (ANT1): Bluetooth (2402~2480MHz)

OSC: 48MHz
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3. Operational Description
NFA455 is the 802.11a/b/g/n /ac and Bluetooth 4.1 COMBO Module that acts as a communication
controller for users of a wireless device to connect to PC
- Features
>IEEE 802.11ac Draft compliant.
>Dual-band 2.4GHz /5 GHz
>Supports 20 MHz/40 MHz at 2.4 GHz and supports 20 MHz, 40 MHz, or 80 MHz at 5 GHz
>On-chip power amplifiers and low –noise amplifiers for both bands
>Complies with Bluetooth Core Specification Version 4.1 + HS
>Supports BT for class 1 and class 2 power-level transmissions without requiring an external PA
- Time base of the RF frequency
For RF frequency, 48MHz crystal is a clock reference.
- Synthesizer
Synthesizer and Internal voltage controlled oscillator (VCO) inside Transceiver provides the desired LOsignal based on the phase-locked loop (PLL) with a relatively wide tuning range for this application.
Also, generate the desired RF frequency through up-converting or down-converting using frequency direct
conversion method
- WIFI Transmission
Baseband data is modulated and upconverted to the 2.4GHz ISM and 5-GHz U-NII bands, respectively.
Linear on chip power amplifier are included, which are capable of delivering high output powers while
meeting IEEE802.11ac and IEEE802.a/b/g/n specifications without the need for external PAs. When using
the internal PAs, closed-loop output power control is completely integrated. Base-band Processing (BBP)
IC has DSSS (BPSK/QPSK/CCK) and OFDM (BPSK/QPSK/16QAM/64QAM/25QAM) modulation
function, it provides transmission data rate are 1, 2, 5.5, 11Mbps on DSSS and 6, 12, 18, 24, 36, 48, 54
Mbps on OFDM. Digital data signal will be converted to analog (TX IQ) signals through DAC in BBP IC,
TX IQ pass through to low pass filter. TX I/Q signal use direct conversion (zero-IF) architecture converter
to generate carrier frequency signal. Transceiver IC and internal PA magnify output power.
- WIFI Receiver
The NFA455 has a wide dynamic range, direct conversion receiver that employs high-order on-chip
channel filtering to ensure reliable operation in the noisy 2.4GHz ISM band or the entire 5GHz U-NII band.
Control signals are available that can support the use of optional LNAs for each band, which can increase
the receive sensitivity by several decibels.
Reverse direction isolation of LNA inside Transceiver IC suppresses unwanted radiation. Then RF signal
will be directly down to IF signal (RX IQ) and high frequency spurious emissions are suppressed by LPF.
At last RX IQ signal will be demodulated digital data.
- Bluetooth Low Energy
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The NFA455 support the Bluetooth 4.1 Low Energy operating mode.
- Product Details
> Data Modulation
DSSS: CCK, BPSK, QPSK for 802.11b
OFDM: BPSK, QPSK, 16QAM, 64QAM, 256QAM for 802.11a,g,n,ac
FHSS: GFSK, OQPSK, 8DPSK, π/4DPSK for Bluetooth
> Frequency: 2.4GHz/ 5GHz
> Power: +3.3V ±5% (+3.135V ~ +3.465V)
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4.OEM Section - to whom wants to install the radio.
FCC Statement
This device complies with Part 15 of FCC Rules, Operation is Subject to following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received including interference that cause undesired operation.
Caution: Any changes or modifications to the equipment not expressly approved by the party responsible for compliance
could void user s authority to operate the equipment.
This equipment has been tested and found to comply within 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 different circuit from that to which the receiver is connected
• Consult the dealer or an experienced radio/TV technician for help.
For product available in the USA/Canada market, only channel 1~11 can be operated and these channel assignments deal
with only the 2.4GHz range
This device and its antenna(s) must not be co-located or operation in conjuction with any other antenna or transmitter.
This device is going to be operated in 5.15~5.25GHz frequency range, it is restricted in indoor environment only
IMPORTANT NOTE:
FCC Radiation Exposure Statement;
This appliance and its antenna must not be co-located or operation in conjunction with any other antenna or
transmitter.
A minimum separation distance of 20 ㎝ must be maintained between the antenna and the person for this appliance to
satisfy the RF exposure requirements.
USER MANUAL OF THE END PRODUCT:
In the users manual of the end of 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 part15.19statement is required to be available in
the users manual; This device complies with Part15 of FCC rules.
LABEL OF THE END PRODUCT:
The final end product must be labeled in a visible area with the following " Contains TX FCC ID: A3LNFA455". If the
size of the end product is larger than 8x10cm, then the following FCC part 15.19 statement has to also be available on the
label: 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.
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Warning: Attaching any kind of external antenna is not allowed and it needs to additional test and
certification.
-The module is limited to OEM installation ONLY.
-OEM integrators are responsible for ensuring that the end-user has no manual
instructions to remove or install module.
-Separate approval is required for all other operating configurations, including
portable configurations with respect to Part 2.1093 and different antenna
configurations.
-Do the labeling on finished products that this product contains Transmitter
Module.
Example: “Contains Transmitter Module FCC ID: A3LNFA455”
or “Contains FCC ID: A3LNFA455” etc.
-This module is limited to installation in mobile or fixed applications,
according to Part 2.1091(b).
-Devices operating within the 5.15 – 5.25 GHz Band will be restricted to
indoor operations
Warning: Attaching any kind of external antenna is not allowed and it needs to
additional test and certification
And, when this module is being attached on other devices, its antenna can be
connected with 'Antenna Connector' on the surface of the module.
Version 1.1
Samsung Electronics
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* Guidance to the host manufacturer
Since this may depend on the details of how the module is integrated with the
host, the grantee shall provide guidance to the host manufacturer for compliance
with the Part 15B requirement.
To ensure compliance with all non-transmitter functions the host manufacturer
is responsible for ensuring compliance with the module(s) installed and is fully
operational. For example, if a host was previously authorized as an unintentional
radiator under the Declaration of Conformity procedure without a transmitter
certified module and a module is added, the host manufacturer is responsible for
ensuring that after the module is installed and operational the host continues to
be compliant with the FCC Part 15B unintentional radiator requirements.
WARNING
i. We recommend to keep 20 cm distance when installing this module.
ii. This module should not be installed and operating simultaneously with other
radio without additional evaluation or FCC filing.
iii. The host systemshould have proper label showing that it "Contains FCC ID :
A3LNFA455"
* Comprehensive integration instructions
For proper integration of modules in the final products it is required that detailed
and comprehensive instructions must be provided to the integrators so that any
subsequent associated party (grantee, host manufacture, original equipment
manufacturer (OEM), integrator, or end-user) can clearly understand the
conditions and limitations for authorized uses of the modular transmitter. These
instructions must be included as one of the Form 731 exhibits,. While modules
can provide great flexibility for third parties without requiring additional
compliance demonstrations, additional technical requirements may call for
separate equipment authorization information for compliance demonstration (e.g.
for RF exposure and hearing-aid compatibility, for devices with specific
antennas, or specific host/enclosure configurations.) A transmitter module
grantee is responsible for including the necessary details for ensuring compliance
for RF exposure requirements and the associated usage conditions for portable,
mobile and fixed-mount equipment configurations as applicable.
Version 1.0
Samsung Electronics
page 5 of 5

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