Iton Technology Corp.
Wi‐Fi MODULE SPECIFICATION
Part Number: BW2570‐PCIE
Version: V 1.0
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Iton Technology Corp.
Disclaimer and Copyright Notice
Information in this document, including URL references, is subject to change without notice.
THIS DOCUMENT IS PROVIDED "AS IS" WITH NO WARRANTIES WHATSOEVER, INCLUDINGANYWARRANTY
OF MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR ANY PARTICULAR PURPOSE, OR ANY WARRANTY
OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE.
All liability, including liability for infringement of any proprietary rights, relating to use of information in this
document is disclaimed. No licenses express or implied, by estoppel or otherwise, to any intellectual
property rights are granted herein.
The Wi‐Fi Alliance Member Logo is a trademark of the Wi‐Fi Alliance.
All trade names, trademarks and registered trademarks mentioned in this document are property of their
respective owners, and are hereby acknowledged.
Copyright ⓒ 2014 ITON Technology Corp. All rights reserved.
1. Overview
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GENERAL DESCRIPTION
The Broadcom BCM43570 single‐chip device provides the highest level of integration for a mobile or
handheld wireless system, with integrated IEEE 802.11 a/b/g/n/ac MAC/baseband/radio and Bluetooth 4.1
+ EDR. It provides a small form‐factor solution with minimal external components to drive down cost for
mass volumes and allows for handheld device flexibility in size, form, and function. Comprehensive power
management circuitry and software ensure the system can meet the needs of highly mobile devices that
require minimal power consumption and reliable operation.
2. Block Diagram
3. Application Diagram
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4. Feature
Wi-Fi Key Feature
• IEEE 802.11ac Draft compliant
• Dual-stream spatial multiplexing from 1 Mbps up to 866.7 Mbps data rates
• Supports 20, 40, and 80 MHz channels with optional Short GI(SGI) (256QAM modulation)
• Full IEEE 802.11a/b/g/n legacy compatibility with enhanced performance
• Supports IEEE 802.11ac/n beam forming
• On-chip power amplifiers and low-noise amplifiers for both bands
• Supports various RF front-end architectures including:
- Three antennas design: two separate antennas (Core0 and Core1 to WLAN) andaseparate
antenna to Bluetooth
• Supports PCIe Gen2 interfaces
Bluetooth Key Features
• Complies with Bluetooth Core Specification Version 4.1 + EDR with provisions for supporting future
specifications
• Bluetooth Class 1 or Class 2 transmitter operation
• Adaptive frequency hopping(AFH) for reducing radio frequency interference
• USB 2.0 full-speed (12Mbps) supported for Bluetooth
• Supports Serial Flash interface
• Incorporates GFSK for 1Mbps, Pi/4-DQPSK for 2Mbps and 8-DPSK for 3Mbps to support EDR
5. WLAN Product Specification
Dimension 29.8*26.8*0.3mm
Chip‐set BCM43570
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Standard
Modulation Type OFDM(CCK/16‐QAM/64‐QAM/ 256 QAM)
Frequency Band 40MHz
Interface WLAN PCIe, Bluetooth USB 2.0
Spread Spectrum DSSS
Transmission Distance Indoor up to 100m, outdoor up to 300m(limited in an environment)
Data Security 64/128 bit WEP, WPA/WPA2,WPA‐PSK/WPA2‐PSK(TKIP/AES)
Trans mit Power
Rx Sensitivity
Data Rate
IEEE802.11ac;IEEE802.11n;IEEE802.11g;IEEE802.11b;
IEEE802.11a; Integrated Bluetooth 4.1
2.4G[11g: 15±2dBm, 11b:17±2dBm, 11n HT20 :
14±2dBm,11n HT40 :14±2dBm]
5G[11n HT20:11±2dBm, 11n HT40:11±2dBm HT80 10±2dBm
11a:12±2dBm ]
867Mbps:‐61dBm@10% PER
300Mbps:‐61dBm@10% PER
Support 802.11ac 80MHz Max.
866.7Mbps/780Mbps(400GI/800GI)
Operating Temperature
Storage Temperature
Relative humidity 10%~95%
Antenna external PF
Operation System windows XP32/64,Vista 32/64, Win7 32/64, Linux, Mac
Operation Voltage DC 3.3V
0℃ ~50℃
‐10℃ ~70℃
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6. BT Product Specification
Parameter Conditions Minimum Typical Maximum Unit
Frequency range 2402 2480 MHz
RX sensitivity 1 Mbps ‐82 dBm
2 Mbps ‐82 dBm
3 Mbps ‐82 dBm
Initial carrier frequency offset ‐24 5 24 KHz
Output power Class 1/GFSK 8 dBm
Class 2/GFSK ‐6 0 4 dBm
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7. Size Of Module Graph
7.1 Physical Map
7.2 Machine Size Map And Pin Definition
Pin Name Description
1 PCIE_WAKE_N PCI Power management event output
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2 VDD3_3 Module +3.3V power supply
3NC NC
4 Ground Ground
5NC NC
6NC NC
7 PCIE_CLKREQ_N PCIE clock request signal
8NC NC
9 Ground Ground
10 NC NC
11 PCIE_REFCLK_N 100 OHM differential pair clock signal
12 NC NC
13 PCIE_REFCLK_P 100 OHM differential pair clock signal
14 NC NC
15 Ground Ground
16 NC NC
17 NC NC
18 Ground Ground
19 NC NC
20 W_DISABLE_N WLAN & Bluetooth regulator power up
21 Ground Ground
22 PCIE_PRST_N PCIE preset signal
100 OHM differential pair TX data signal
24 VDD3_3 Module +3.3V power supply
100 OHM differential pair TX data signal
26 Ground Ground
27 Ground Ground
28 NC NC
29 Ground Ground
30 NC NC
100 OHM differential pair RX data signal
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32 NC NC
100 OHM differential pair RX data signal
34 Ground Ground
35 Ground Ground
36 BT_USB_DN Bluetooth USB 2.0
37 Ground Ground
38 BT_USB_DP Bluetooth USB 2.0
39 VDD3_3 Module +3.3V power supply
40 Ground Ground
41 VDD3_3 Module +3.3V power supply
42 NC NC
43 Ground Ground
44 WLAN_LED_N_GPIO_13
45 WLAN_HOST_WAKE WLAN wake up Host
46 NC NC
47 BT_HOST_WAKE Bluetooth wake up Host
48 NC NC
49 BT_DEV_WAKE Host wake up Bluetooth device
50 Ground Ground
51 NC NC
52 VDD3_3 Module +3.3V power supply
FCC STATEMENT:
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This device complies with Part 15 of the 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.
Warning: 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 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 circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Operations in the 5.15-5.25GHz band are restricted to indoor usage only.
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with minimum distance 20cm between the radiator & your body.
FCC INFORMATION (additional)
OEM INTEGRATION INSTRUCTIONS:
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This device is intended only for OEM integrators under the following conditions: The module must be installed in
the host equipment such that 20 cm is maintained between the antenna and users, and the transmitter module
may not be co-located with any other transmitter or antenna. The module shall be only used with the internal
antenna(s) that has been originally tested and certified with this module. As long as 3 conditions above are met,
further transmitter test will not be required. However, the OEM integrator is still responsible for testing their
end-product for any additional compliance requirements required with this module installed (for example, digital
device emissions, PC peripheral requirements, etc.).
Validity of using the module certification:
In the event that these conditions cannot be met (for example certain laptop configurations or co-location with
another transmitter), then the FCC authorization for this module in combination with the host equipment is no
longer considered valid and the FCC ID of the module cannot be used on the final product. In these
circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter)
and obtaining a separate FCC authorization.
End product labeling:
This transmitter module is authorized only for use in device where the antenna may be installed such that 20
cm may be maintained between the antenna and users. The final end product must be labeled in a visible area
with the following: “Contains FCC ID: 2AJ22-BW2570PCIE”.
Information that must be placed in the end user manual:
The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove
this RF module in the user's manual of the end product which integrates this module. The end user manual shall
include all required regulatory information/warning as show in this manual.
This device must be kept away from all persons by 20cm or more and installations using less distance, or installations
using antennas with gain greater than that with which this was Certified will require additional approvals.
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