Page 1
User manual
< WM6687>
Dual-Band 802.11ac 4x4 MIMO
PCI Express Mini Card
Wireless Network Adapter
LITE-ON
Version: 1.0.0
This document contains confidential proprietary information and is property of LTC. The contents of
this document should not be disclosed to unauthorized persons without the written consent of LTC.
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Product Specification of WM882
Content
Page
1 Product Description …………………………………………. 4
2 Application …………………………………………. 4
3 Features …………………………………………. 4
4 Product Specifications …………………………………………. 5
5 Pin Definition ………….…..……………….…………. 5
6 Physical & Environment
6.1 PCB Dimension ………………………… 6
6.2 Operation Temperature & Humidity …………………..….. 6
6.3 Storage Temperature & Humidity ……………..…. 6
7 Certification Requirements ……….…..……………….…………. 6
Rev.:1.0.0
2 / 14
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Product Specification of WM882
Change History
Version Revised Date Editor Content Revised
1.0.0 2016/12/15 Flora Yu First Edition (baseline)
Rev.:1.0.0
3 / 14
Page 4
Product Specification of WM882
1 Product Descriptions
The WM6687 provides ultra-high performance transmission rate in the 2.4G or 5GHz band. It is
backward compatible with the current 802.11a/b/g/n network devices.
2 Application
Home and/or office wireless networking
Wireless multimedia
Wireless extension of existing wired network
3 Features
IEEE 802.11 a/b/g/n/ac standard compliant
4x4 MIMO wireless system
Ultra-high data rate up to 1.7Gbps @5GHz, 256QAM
Auto fallback data rate under noisy environment
Support 2.4GHz or 5GHz band operation (dual-band selectable)
Support WEP ( 64-bit/128-bit ), 802.1x, and WPA/WPA2
Conformable to industry-standard Mini Card specification
Independent Tx Power Control on a per channel
4 Product Specifications
Radio Chipset BCM43465
WLAN St andards IEEE 802.11a/b/g/n/ac compliant
Antenna connector U.FL connector
802.11a: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
802.11b: 11, 5.5, 2 & 1 Mbps
802.11g: 54, 48, 36, 24, 18, 12, 9 & 6 Mbps
802.11n :
20 MHz BW: 72.2, 65, 57.8, 43.3, 28.9, 21.7, 14.4, 7.2 Mbps
Data Rate (per stream)
40 MHz BW: 150, 135, 120, 90, 60, 45, 30, 15 Mbps
802.11ac :
20MHz BW : 86.7, 72.2, 65, 57.8, 43.3, 28.9, 21.7, 14.4, 7.2 Mbps
40MHz BW : 200, 180, 150, 135, 120, 90, 60, 45, 30, 15 Mbps
80MHz BW : 433, 390, 325, 292.5, 260, 195, 130, 97.5, 65, 32.5 Mbps
160MHz BW: 867, 780, 650, 585, 520, 390, 260, 195, 130, 65 Mbps
Rev.:1.0.0
4 / 14
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Product Specification of WM882
Modulation
Operating Frequencies
Frequency Band 2.4GHz or 5GHz
Power Consumption Operation (max.) < 5.6W (estimated)
Security
Operating System Linux
Receive Sensitivity
Voltage 3.3 VDC from host (+/- 0.2V)
802.11b: CCK(11&5.5 Mbps), DQPSK (2Mbps), DBPSK (1Mbps),
802.11g/n: DBPSK, DQPSK, OFDM, BPSK, QPSK, 16QAM, 64QAM,
256QAM, 1024QAM (proprietary)
USA – FCC 2412~2462MHz
Canada – IC 2412~2462MHz
Europe – ETSI 2412~2472MHz
Japan – STD-T66/STD-33m 2412~2484MHz
5150MHz ~ 5350MHz for US & Canada
5150MHz ~ 5350MHz for Europe
5470MHz ~ 5725MHz for Europe
5030MHz~5091MHz and 5150MHz ~ 5250MHz for Japan
5150MHz ~ 5350MHz for Australia
5470MHz ~ 5725MHz for Australia (except channel 120, 124 and 128)
5725Mhz ~ 5825Mhz for Australia
WEP (64-bit/128-bit), 802.1x
WPA/WPAs (TKIP, AES)
Data Rates Receive Sensitivity (min.)
6 Mbps -90 dBm
54 Mbps -71dBm
802.11n - 20 MHz -89 (MSC 0/8)
802.11n - 40 MHz -86 (MSC 0/8)
VHT20 MCS 8 -63
VHT40 MCS 9 -60
VHT80 MCS 9 -57
5 Pin Definition
PCIE pin number Pin definition PCIE pin number Pin definition
1 PCIE_WAKE_L 27 GND
2 VDD3_3 28 NC
3 NC 29 GND
4 GND 30 NC
5 NC 31 PCIE_RDP
6 NC 32 NC
7 PCIE_CLKREQ_L 33 PCIE_RDN
8 NC 34 GND
9 GND 35 GND
10 NC 36 NC
11 REFCLKN 37 GND
12 NC 38 NC
13 REFCLKP 39 VDD3_3
Rev.:1.0.0
5 / 14
Page 6
Product Specification of WM882
14 NC 40 GND
15 GND 41 VDD3_3
16 NC 42 NC
17 NC 43 GND
18 GND 44 LED_WLAN
19 NC 45 NC
20 RF_DISABLE_L 46 NC
21 GND 47 NC
22 PCIE_PERST_L 48 NC
23 TDP 49 NC
24 VDD3_3 50 GND
25 TDN 51 NC
26 GND 52 VDD3_3
6 Physical & Environment
6.1 PCB Dimension:
- Standard mPCIe form factor: 30 × 50.95 mm (width × length)
6.2 Operation Temperature & Humidity
- Temperature：32 to 1℉ 13 (0 to℉℃ 45 )℃
- Humidity：10% ~ 90% R.H.
6.3 Storage Temperature& Humidity
- Temperature：-4 to ℉ 158 (℉ -20 to℃ 70 )℃
- Humidity：10% ~ 95% R.H.
7 Certification Requirements
- USA (Non DFS)
Rev.:1.0.0
6 / 14
Page 7
Product Specification of WM882
- USA (DFS)
- Canada (IC)
- Japan (TELEC)
Note, cert for module slave mode only, system products with/after the module installed/embedded
need to re-cert and under customer’s expense.
Rev.:1.0.0
7 / 14
Page 8
Product Specification of WM882
FCC Statement:
Federal Communication Commission Interference Statement
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 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.
FCC Caution: Any changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate this equipment.
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.
For product available in the USA/Canada market, only channel 1~11 can be
operated. Selection of other channels is not possible.
IMPORTANT NOTE:
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 25 cm between the radiator & your body.
Rev.:1.0.0
8 / 14
Page 9
Product Specification of WM882
IMPORTANT NOTE:
This module is intended for OEM integrator. The OEM integrator is responsible for
the compliance to all the rules that apply to the product into which this certified RF
module is integrated.
Additional testing and certification may be necessary when multiple modules are
used.
USERS MANUAL OF THE END PRODUCT:
In the users manual of the end product, the end user has to be informed to keep at
least 25 cm 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 labelling area is small than the palm of the hand, then additional FCC part
15.19 statement is required to be available in the users manual: 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.
LABEL OF THE END PRODUCT:
The final end product must be labeled in a visible area with the following " Contains
TX FCC ID: PPQ-WM6687 ".
If the labelling area is larger than the palm of the hand, 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.
Rev.:1.0.0
9 / 14
Page 10
Product Specification of WM882
Antenna list:
Set Brand
1
2
Note 1:
PSA RFDPA171300SBLB802
ethertronics M830520
Model Name
(P/N)
Antenna Type Connector
Dipole
Antenna
Ceramic
Antenna
Reversed-SMA
N/A Note 1
Gain
(dBi)
Note 1 -
Remark
Connect with
Black Cable or
Grey Cable
Set
1
2
Note 2:
The EUT has two sets of antennas and there are four antennas for each set.
The Set 2 antennas can connect with black and gray cable. After evaluating, gray cable was select as
the representative cable for the test and its dat a was recorded in this report.
Gain (dBi) Cable loss True Gain (dBi)
2.4GHz
4.03 5.4
1.1 3.2
5GHz 2.4GHz 5GHz 2.4GHz 5GHz
0.5
1.2
0.5
0.5
2.2 -0.1 1
0.9 0.6 2.3
3.53 4.9 -
Remark
Black Cable
(Long)
Gray Cable
(Short)
IC Statement:
This device complies with Industry Canada license-exempt RSS standard(s).
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interference
that may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils
radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1)
l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter
tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre
le fonctionnement.
For product available in the USA/Canada market, only channel 1~11 can be
operated. Selection of other channels is not possible.
Pour les produits disponibles aux États-Unis / Canada du marché, seul le canal 1 à 11
peuvent être exploités. Sélection d'autres canaux n'est pas possible.
Rev.:1.0.0
10 / 14
Page 11
Product Specification of WM882
This radio transmitter (IC: 4491A-WM6687) has been approved by Industry Canada
to operate with the antenna types listed below with the maximum permissible gain
indicated. Antenna types not included in this list, having a gain greater than the
maximum gain indicated for that type, are strictly prohibited for use with this device.
Le présent émetteur radio (IC: 4491A-WM6687) a été approuvé par Industrie Canada pour
fonctionner avec les types d'antenne énumérés ci-dessous et ayant un gain admissible
maximal d'antenne. Les types d'antenne non inclus dans cette liste, ou dont le gain est
supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de
l'émetteur.
Antenna list:
Set Brand
1
2
Note 1:
PSA RFDPA171300SBLB802
ethertronics M830520
Model Name
(P/N)
Antenna Type Connector
Dipole
Antenna
Ceramic
Antenna
Reversed-SMA
N/A Note 1
Gain
(dBi)
Note 1 -
Remark
Connect with
Black Cable or
Grey Cable
Set
1
2
Note 2:
The EUT has two sets of antennas and there are four antennas for each set.
The Set 2 antennas can connect with black and gray cable. After evaluating, gray cable was select as
the representative cable for the test and its dat a was recorded in this report.
Gain (dBi) Cable loss True Gain (dBi)
2.4GHz
4.03 5.4
1.1 3.2
5GHz 2.4GHz 5GHz 2.4GHz 5GHz
0.5
1.2
0.5
0.5
2.2 -0.1 1
0.9 0.6 2.3
3.53 4.9 -
Remark
Black Cable
(Long)
Gray Cable
(Short)
Dynamic Frequency Selection (DFS) for devices operating in the bands 5250- 5350
MHz, 5470-5600 MHz and 5650-5725 MHz.
Sélection dynamique de fréquences (DFS) pour les dispositifs fonctionnant dans les bandes
5250-5350 MHz, 5470-5600 MHz et 5650-5725 MHz.
Rev.:1.0.0
11 / 14
Page 12
Product Specification of WM882
The device for operation in the band 5150–5250 MHz is only for indoor use to reduce
the potential for harmful interference to co-channel mobile satellite systems.
les dispositifs fonctionnant dans la bande 5150-5250 MHz sont réservés uniquement pour une
utilisation à l’intérieur afin de réduire les risques de brouillage préjudiciable aux systèmes de
satellites mobiles utilisant les mêmes canaux.
The maximum antenna gain permitted for devices in the bands 5250-5350 MHz and
5470-5725 MHz shall be such that the equipment still complies with the e.i.r.p. limit.
le gain maximal d’antenne permis pour les dispositifs utilisant les bandes 5250-5350 MHz et
5470-5725 MHz doit se conformer à la limite de p.i.r.e.
The maximum antenna gain permitted for devices in the band 5725-5850 MHz shall
be such that the equipment still complies with the e.i.r.p. limits specified for
point-to-point and non-point-to-point operation as appropriate.
le gain maximal d’antenne permis (pour les dispositifs utilisant la bande 5725-5850 MHz)
doit se conformer à la limite de p.i.r.e. spécifiée pour l’exploitation point à point et non point à point,
selon le cas.
For indoor use only.
Pour une utilisation en intérieur uniquement.
IMPORTANT NOTE:
IC Radiation Exposure Statement:
This equipment complies with IC RSS-102 radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with
minimum distance 25 cm between the radiator & your body.
Cet équipement est conforme aux limites d'exposition aux rayonnements IC établies pour un environnement non
contrôlé. Cet équipement doit être installé et utilisé avec un minimum de 25 cm de distance entre la source de
rayonnement et votre corps.
Rev.:1.0.0
12 / 14
Page 13
Product Specification of WM882
IMPORTANT NOTE:
This module is intended for OEM integrator. The OEM integrator is responsible for
the compliance to all the rules that apply to the product into which this certified RF
module is integrated.
Additional testing and certification may be necessary when multiple modules are
used.
25 cm minimum distance has to be able to be maintained between the antenna and
the users for the host this module is integrated into. Under such configuration, the IC
RSS-102 radiation exposure limits set forth for an population/uncontrolled
environment can be satisfied.
Any changes or modifications not expressly approved by the manufacturer could
void the user's authority to operate this equipment.
USERS MANUAL OF THE END PRODUCT:
In the users manual of the end product, the end user has to be informed to keep at
least 25 cm separation with the antenna while this end product is installed and
operated. The end user has to be informed that the IC 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. 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.
LABEL OF THE END PRODUCT:
The final end product must be labeled in a visible area with the following " Contains
IC: 4491A-WM6687 ".
The Host Model Number (HMN) must be indicated at any location on the exterior of
the end product or product packaging or product literature which shall be available
with the end product or online.
Rev.:1.0.0
13 / 14
Page 14
Product Specification of WM882
Japan Statement:
5GHz band (W52, W53): Indoor use only
Rev.:1.0.0
14 / 14
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