LeapFrog 31500 User Manual

USER MANUAL

USER MANUAL

WN7911C-LF

1x1 Single Band

802.11 b/g/n SDIO Carrier Module

V 0.1

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WN7911C-LF

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USER MANUAL

Table of Contents

1 Introduction ........................................................................................................................ 4

1.1 Introduction ........................................................................................................ 4

1.2 Product Features................................................................................................. 4

2 Hardware ............................................................................................................................ 5

2.1 General Overview .............................................................................................. 5

2.2 Block Diagram ................................................................................................... 6

2.3 Pin Description................................................................................................. 6

2.4 PCB Outline & Dimension............................................................................... 10

2.5 SDIO Connector Type ...................................................................................... 10

2.5.1 Board to Board Male (for Carrier Board) ................................................ 10

2.5.2 Board to Board Female (for Leapfrog Main Board) ................................ 11

2.5.3 Connector Mating (Mating Height 3 mm) ............................................... 11

3 Software ........................................................................................................................... 12

3.1 Driver Support.................................................................................................. 12

4 Specifications ................................................................................................................... 13

4.1 Frequency Band: .............................................................................................. 13

4.2 Transmit Power and Sensitivity: ...................................................................... 13

4.3 Modulation ....................................................................................................... 13

4.4 Current Consumption: ...................................................................................... 13

4.5 Temperature and Humidity............................................................................... 14

4.6 Regulatory and Certification Compliance................................................................ 14

WN7911C-LF

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Revision History

Edition # Reason for revision Issue date Written by

V0.1  Initial document July 23, 2013 JC Chiou

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USER MANUAL

WN7911C-LF

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1 Introduction

1.1 Introduction

WN7911C is an industrial wireless IEEE 802.11n 1x1 2.4GHz single band SDIO module

which enables wireless networking systems to attain data transmission speeds up to 150

megabits-per-second (Mbps). The WN7911C maintains compatibility with legacy IEEE

802.11b.g devices. It supports operation to the IEEE 802.11b and IEEE 802.11g and IEEE

802.11n standards.

1.2 Product Features

 Module form factor: 25mm x 18mm
 Operate at ISM frequency bands (2.4GHz)
 SDIO interface for WiFi
 IEEE standards support: IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
 Security features

 WPA, WPA2, AES encryption/decryption
 TKIP, 802.1x, WAPI encryption/decryption engine

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2 Hardware

2.1 General Overview

Module Dimension 25mm x 18mm

Module Interface SDIO v2.0 (50Mhz, 4-bit) host interface

Standard IEEE 802.11n, 802.11b/g

Chipset BCM43143 2.4GHz 802.11 1x1 b/g/n

MAC/PHY/Radio

Description 802.11 b/g/n 2.4GHz 1x1 WiFi carrier

module

Modulation 802.11b:

CCK, DQPSK, DBPSK

802.11g:

64 QAM, 16 QAM, QPSK, BPSK

802.11n:

BPSK, QPSK, 16-QAM, 64-QAM

Data Rate 8802.11b:

11, 5.5, 2, 1 Mbps;

802.11g:

54, 48, 36, 24, 18, 12, 9, 6 Mbps

802.11n:

MCS 0 to 7 for HT20MHz;

MCS 0 to 7 for HT40MHz

Operating Frequency Draft 802.11n Radio: 2.4 GHz

802.11g Radio: 2.4 GHz

802.11b Radio: 2.4 GHz

USA – FCC

2412~2462MHz (Ch1~Ch11)

Canada – IC

2412~2462MHz (Ch1~Ch11)

Europe – ETSI

2412~2472MHz (Ch1~Ch13)

Japan – STD-T66/STD-33

2412~2484MHz (Ch1~Ch14)

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Operating Channel WiFi 2.4GHz:

11: (Ch. 1-11) – United States

13: (Ch. 1-13) – Europe

14(ch1-14)– Japan

2.400GHz ~ 2.4835 GHz

Antenna Connector One antenna allowing transmission or

reception on both, simultaneously

Operating System Supported

Linux

Temperatures Operating Temperature: -10°C to +70 °C

Storage Temperature: -40°C to +80°C

(non-operating):

Humidity 5-90

2.2 Block Diagram

2.3 Pin Description

Pin

Pin

Terminal Name

Number

1 BTCX_RF_ACTIVE Signal I

2 BTCX_STATUS Signal I

WN7911C-LF

Type

I/O

Description

Type

Indicates that the coexistent BT is active:

internal pull-down.

Indicates the coexistent BT priority status and

RX/TX direction.

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