USER MANUAL
USER MANUAL
WN7911A-LF
MPN F0ILF7911000J
(Hirose 1.5 mm Connector)
1x1 Single Band
802.11 b/g/n WiFi Module
V 1.2
.
WN7911A-LF
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Introduction
1.1 Introduction
WN7911A-LF is a 1x1 single-band 2.4GHz IEEE 802.11 b/g/n WiFi module with
on-board PCB printed antenna. WN7911A-LF attains the data transmission speed up to
150 Mbps and provide SDIO physical interface to the board for WiFi. This WiFi
module is the low power consumption, high performance and the best WiFi solution
for consumer devices which need the compact size embedded WiFi module for
wireless connectivity like smart mobile phone, e-book, printer, tablet PC and so on.
1.2 Product Features
Small form factor: 25mm x 18mm x 2.4mm
USER MANUAL
High speed for wireless LAN connection, up to 150 Mbps for uplink and 150 Mbps for
downlink
Backward compatible to the existing IEEE 802.11b/g WLAN infrastructure
Low power consumption and excellent power management
Security features
WPA
TM
and WPA2TM (personal) support for powerful encryption and
authentication
AES and TKIP acceleration hardware for fast data encryption and 802.11i
compatibility
Cisco Compatible Extension (CCX, CCX 2.0, CCX 3.0, CCX 4.0) certified
SecureEasySetup
TM
for simple WiFi setup and configuration
Support WPS
QOS features
802.11e
802.11h
802.11i
802.11j
WN7911A-LF
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USER MANUAL
2 Bill of Material
Item QTY Reference Part Description Vendor P/N Manufacturer
1 10
2
3
4
5
6
7
8
9
10
11
12
C3,C5,C7,C11,C13,
0.1uF
C16,C17,C19,C23,C25
C4,C6,C8 10uF C SMD CER 10uF 20% 6.3V X5R 0603 T0.8mm HF CC0603MRX5R5BB106 YAGEO
C9,R19,R20,R21,R22,
DNI
R23,R26
C10,C12,C14,C18,C20,
2.2uF
C22,C24,C26
R17 0 OHM RES SMD 0ohm 1/16W 0402 T0.35 HF WALSIN
C46 1.8pF C SMD HIGH-Q CER 1.8pF 0.25pF 50V NPO 0402 T0.5 HF WALSIN
C48 0.5pF C SMD HIGH-Q CER 0.5pF +-0.25
C51 3.3nH IND SMD 3.3nH +-0.1nH 190 mA 0402 LT/LF MURATA
L1 600 OHM BEAD 100MHz 25% 1Kohm 100mA 0402 HF TAI-TECH
L2 INDUCTOR ?!IND SMD 3.3uH 20% 1200mA 2.5x2.0 HF MURATA
R1 10K RES SMD 10Kohm 5% 1/10W 0603 T0.45 HF WR06X103JTL WALSIN
J1 Connector
C SMD CER 0.1uF 10% 16V X7R 0402 T0.5 HF MURATA
C SMD CER 2.2uF 10% 6.3V X5R 0603 T0.8mm LT/LF 0603X225K6R3CT WALSIN
MURATA
0.5 mm Pitch 1.5 mm Mating Height 14 Pin Plug
Board-to-Board Connector.
DF23C-14DP-0.5V HIROSE
13
14
U1 WS5700B-ZZ 802.11b/g/n 2.4GHz SDIO SiP Module Arcadyan
WN7911A-LF PCB footprint R0A3 PCB WN7911A-LF Carrier Board PCB ANT (4L) Arcadyan
WN7911A-LF
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3 Pin Definition
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Pin # Type
1 P Ground
2 I/O SDIO Data Line 2
3 I/O SDIO Clock
4 P Ground
5 P Ground
6 I System Reset
7 I/O SDIO Data Line 0
8 I/O SDIO Command
9 P Ground
10 P Ground
11 I/O SDIO Data Line 1
12 I/O SDIO Data Line 3
13 P SDIO_VCC 3.3V
14 P SDIO_VCC 3.3V
Description
WN7911A-LF
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USER MANUAL
4 SiP Module
4.1 General Overview
Item Description
SiP Module Dimension 10mm x 10mm x 1.2mm
Chipset Broadcom BCM4319 1x1 Single Band (2.4GHz)
802.11n MAC/BB/RF on single chip with integrated
CMOS PA.
Module Interface SDIO (4-bit)
Module Pin Connection 48-pin LGA
4.2 SiP Module Architecture
4.2.1 WS5700B
WN7911A-LF
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