SG901-1059 Datasheet by Sagrad Inc.

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1-321-255-0515 WWW.SAGRAD.COM DOC#: 914-0016 rev. 3
SG901-1059 802.11 b/g/n Wireless USB Module
Overview
The SG901-1059 is a high speed module
supporting all datarates and the latest standards
including 802.11B/G/N Wi-Fi module with a USB
2.0 interface. This module’s high level of
interoperability and its low cost is desirable for
high volume applications. This product is suited
for many embedded systems able to support
Windows and Linux OS including high
bandwidth applications such as set top box.
SG901-1059 WLAN module is designed to
operate in 2.4GHz ISM frequency band, it
applies a highly integrated MAC/BBP and RF
single chip RT3070 with 150Mbps PHY rate
supporting. Ralink fully complies with
IEEE802.11n draft 3.0 and IEEE802.11b/g
feature.
Features
802.11b: 1, 2, 5.5, 11Mbps
802.11g: 6, 9, 12, 24, 36, 48, 54Mbps
802.11n:
o (20MHz) MCS0-7, Support up to 72
Mbps
o (40MHz) MCS0-7, Support up to
150Mbps
OFDM, Peak rate 150Mbps
Security support for 64/128 WEP, WPA,
WPA2, TKIP, AES
Operates in 2.4GHz frequency bands.
Low Power Consumption
Single antenna configuration; I-PEX
receptacle for external antenna.
Applications
Personal Digital Assistants (PDA)
Hand-held Data Transfer Devices
Video
IP Cameras
IP set top box
GPS
Internet radio apparatus
Ordering Information
SG901-1059-3.3-C (connector) – Bulk only
SG901-1059-5.0-C (connector) – Bulk only
SG901-1059-3.3-H (header) – Bulk only
SG901-1059-5.0-H (header) – Bulk only
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1-321-255-0515 WWW.SAGRAD.COM DOC#: 914-0016 rev. 3
Block Diagram
System Block Diagram of SG901-1059 WLAN Module
1-321-255-0515 WWW.SAGRAD.COM DOC#: 914-0016 rev. 3
General Electrical Specifications
Parameter Test Condition / Comment Min. Typ. Max. Units
Absolute Maximum Ratings
USB Supply -0.3 7.0 V
Operating Conditions and Input Power Specifications
Operating Range 0 +50 C
Operating Temperature Range
Storage Range -20 +85 C
PC Interface USB
2.0/1.1
Plug & Play Compatible YES
Supply Voltage SG901-1059-5.0 4.75 5.2 V
Supply Voltage SG901-1059-3.3 3.14 3.3 3.48 V
RF Characteristics
Parameter Test Condition / Comment Min. Typ. Max. Units
Internal Antenna Impedance 50 Ohms
11b, 11Mbps -84 dBm
11g, 54Mbps -68 dBm
(HT20) 11n, MSC7 -66 dBm
RX Sensitivity
(HT40) 11n, MSC7 -62 dBm
11b, 11Mbps 18 19 20 dBm
11g, 54Mbps 15.5 17 18.5 dBm
802.11n (HT20) 14.5 16 17.5 dBm
TX Output Power
802.11n (HT40) 14.5 16 17.5 dBm
CCK PASS
OFDM PASS
QPSK PASS
TX Spectral MASK
BPSK PASS
Preamble Length Long/Short
Operating Current 110 mA
Interface Details
Sagrad Part #
Part Number Item Comment
SG901-1066
Antenna External Antenna via an I-PEX receptacle
SG901-1059-xx-C
ACESCONN 87213-0600l Host Interface
Connector 6 Pin 1.0mm Pitch Connector
SG901-1059-xx-H
Host Interface
Connector 6 Pin 2.0mm Male Header
1-321-255-0515 WWW.SAGRAD.COM DOC#: 914-0016 rev. 3
Connector Pin List (Host Interface)
6-pin 1.0mm pitch connector
SIGNAL NAME PIN NUMBER DESCRIPTION NOTES
VCC (3.3 or 5.0 VDC) 1 Supply USB Standard Function
UD- 2 Complementary USB Data USB Standard Function
UD+ 3 Complementary USB Data USB Standard Function
GND 4 Ground USB Standard Function
LED 5 Low Active for WLAN LED Link.
TX 6 Low Voltage to disable RF function
6-pin 2.0mm pitch male header
SIGNAL NAME PIN NUMBER DESCRIPTION NOTES
VCC (3.3 or 5.0 VDC) 1 Supply USB Standard Function
UD- 2 Complementary USB Data USB Standard Function
UD+ 3 Complementary USB Data USB Standard Function
GND 4 Ground USB Standard Function
TX 5 Low Voltage to disable RF function
LED 6 Low Active for WLAN LED Link.
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1-321-255-0515 WWW.SAGRAD.COM DOC#: 914-0016 rev. 3
Mechanical Drawing
6-pin 1.0 mm pitch male connector
6-pin 2.0 mm pitch male header
For custom applications: the direction of the male header can be mounted upside down, please contact Sagrad Inc. for
availability.
1-321-255-0515 WWW.SAGRAD.COM DOC#: 914-0016 rev. 3
Regulatory Approval
Agency Approval
Industry Canada In-Process
FCC In-Process
Part 15
CE
RoHS
Suggested Antennas
Airgain N2420
Thinkyard T000701 & T000805
Software Support
Operating System Driver
Linux 2.4/2.6 Available
Windows 2000/XP/VISTA Available
Windows CE 5.0/6.0 Available
Security Support
Complete Security Features – WPA/WP2, 64/128/152-bit WEP, WPS

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