L287B-SR Wi-Fi Dual-band 1X1 11a/b/g/n/ac +Bluetooth 5.0 Combo Module Datasheet FN-LINK TECHNOLOGY LIMITED Proprietary & Confidential Information L287B-SR Module Datasheet Office: 6 Floor, Building U6, Junxiang U8 Park, Hangcheng Avenue, Bao'an District, Shenzhen City, CHINA Factory: No.8, Litong Road, Liuyang Economic & Technical Development Zone, Changsha, Hunan, CHINA TEL: +86-755-2955-8186 Website: www.fn-link.com Customer Approval :
Company Title Signature Date Fn-Link FN-LINK TECHNOLOGY LIMITED Proprietary & Confidential Information L287B-SR Revision History Version Date Revision Content Approved 1.0 1.1 1.2 1.3 1.4 1.5 1.6 2021/03/23 Draft version 2021/03/31 Correct typos 2021/05/06 Pin map change 2021/05/20 Change pin13 to NC 2021/06/11 2021/07/16 2021/08/18 Refine section 1.3, 1.4, 2.1, 2.2, 4.2, 5.1, 6.1 and 7 Add power consumption, refine section 2.1 and 3.1. Add notice for UART baud-rate and VCC power supply; correct typos. Draft Lgp Wesley Wesley Wesley Wesley Szs Szs Szs Szs Qjp Wesley Qjp Wesley Qjp FN-LINK TECHNOLOGY LIMITED Proprietary & Confidential Information CONTENTS L287B-SR 1 Overview.............................................................................................................................. 2 1.1 Introduction....................................................................................................................2 1.2 Features.........................................................................................................................2 1.3 Block Diagram...............................................................................................................2 1.4 General Specification...................................................................................................3 1.5 Recommended Operating Rating.............................................................................. 3 1.6 Power Consumption.....................................................................................................3 2 Wi-Fi RF Specification......................................................................................................4 2.1 2.4GHz RF Specification.............................................................................................4 2.2 5GHz RF Specification................................................................................................ 5 3 Bluetooth Specification................................................................................................... 7 3.1 Bluetooth Specification................................................................................................ 7 4 Pin Assignments................................................................................................................7 4.1 Pin Outline..................................................................................................................... 8 4.2 Pin Definition................................................................................................................. 8 5 Dimensions....................................................................................................................... 11 5.1 Module Picture............................................................................................................ 11 5.2 Marking Description................................................................................................... 11 5.3 Module Physical Dimensions................................................................................... 12 5.4 Layout Recommendation..........................................................................................13 6 Power-up Sequence and Timing Specification....................................................... 14 6.1 Power-up sequence...................................................................................................14 6.2 SDIO Default Speed, High Speed Mode Timing................................................... 14 6.3 SDIO SDR12, SDR25, SDR50 modes (up to 100 MHz) (1.8V)......................... 15 6.4 SDIO SDR104 mode (208 MHz) (1.8V)................................................................. 16 6.5 SDIO DDR50 mode (50 MHz) (1.8V)......................................................................17 6.6 High-speed UART specifications............................................................................. 18 6.7 Bluetooth PCM Timing...............................................................................................19 7 Reference Design............................................................................................................ 21 8 Ordering Information......................................................................................................21 9 The Key Material List......................................................................................................22 10 Recommended Reflow Profile................................................................................... 22 11 Package Information.................................................................................................... 23 11.1 Reel............................................................................................................................ 23 11.2 Carrier Tape Detail................................................................................................... 23 11.3 Packaging Detail...................................................................................................... 24 11.4 Moisture sensitivity...................................................................................................24 FN-LINK TECHNOLOGY LIMITED 1 Proprietary & Confidential Information L287B-SR 1 Overview 1.1 Introduction L287B-SR has dual-band Wi-Fi and Bluetooth functionalities. It is based on NXP 88W8987 chipset, a highly-integrated IEEE 802.11a/b/g/n/ac MAC/Baseband/RF WLAN and Bluetooth Baseband/RF single chip. The module provides SDIO3.0 interface for Wi-Fi and HS-UART/PCM for Bluetooth. L287B-SR can achieve up to a speed of 433.3Mbps with single stream 802.11ac WLAN connection. It is a perfect solution for a combination of Wi-Fi and BT technologies. 1.2 Features NXP 88W8987 inside CMOS MAC, Baseband PHY and RF in a single chip for IEEE 802.11 a/b/g/n/ac Support 802.11ac 1x1, compliant with MU-MIMO STA mode Maximum rate 433Mbps in 80MHz bandwidth SDIO3.0 interface for WLAN Support Bluetooth V5.0 features HS-UART and PCM interface for BT Bluetooth LE supports Broadcaster, Observer, Central, and Peripheral roles Supports link layer topology to be master and slave (connects up to 16 links) Wi-Fi/Bluetooth coexistence protocol support 1.3 Block Diagram FN-LINK TECHNOLOGY LIMITED 2 Proprietary & Confidential Information L287B-SR 1.4 General Specification Model Name Dimension Wi-Fi Interface BT Interface L287B-SR SDIO3.0 UART / PCM Operating temperature
-30C to 85C Storage temperature
-40C to 125C L x W x H: 15 x 13 x 2.15 mm (typical)
[Note] Baud-rate of UART interface is 3000000 by default. 1.5 Recommended Operating Rating Operating Temperature VCC33 VDDIO Min.
-30 3.135 1.71 Typ. 25 3.3 1.8 Max. 85 3.465 1.89 Unit C V V 1.6 Power Consumption
[Note] The consumption is quite high while module initializing, please make sure the current supply of VCC33 power is greater than 1A. Current Consumption(Unit:mA) VCC33 = VIO = 3.3V Band NA 2.4GHz Mode Idle 11b 1Mbps @17dBm Continue 11g 6Mbps @17dBm Tx 11n HT20 mcs0@14dBm 11n HT40 mcs0@14dBm Continue 11b 1Mbps Rx 11n HT40 mcs7 11a 6Mbps @17.5dBm Continue 11ac VHT20 mcs0 @17dBm Tx 11ac VHT40 mcs0 @17dBm 5GHz 11ac VHT80 mcs0 @11dBm 11a 6Mbps Continue 11n HT40 mcs7 Rx 11ac VHT20 mcs9 11ac VHT80 mcs9 57 483 457 475 464 72 72 470 492 485 292 70 82 70 93 FN-LINK TECHNOLOGY LIMITED 3 Proprietary & Confidential Information L287B-SR 2 Wi-Fi RF Specification 2.1 2.4GHz RF Specification
Feature Description WLAN Standard Frequency Range Number of Channels IEEE 802.11 b/g/n Wi-Fi compliant 2.400 GHz ~ 2.4835 GHz (2.4 GHz ISM Band) 2.4GHzCh1 ~ Ch14 Spectrum Mask Min. b/g/n Typ. b/g/n Max. b/g/n Unit b/g/n 1st side lobes(to fc 11MHZ) 2st side lobes(to fc 22MHZ)
-43/-30/-40
-52/-33/-58
Freq. Tolerance Test Items
-20/-20/-20
Typical Value 20/20/20 EVM dBr dBr ppm 802.11b /11Mbps: 17dBm 1.5 dB EVM -9dB Output Power 802.11g /54Mbps: 15dBm 1.5 dB EVM -25dB 802.11n /MCS7: 14dBm 1.5 dB EVM -28dB Test Items TYP Test Value Standard Value SISO Receive Sensitivity 1Mbps
-92 dBm
(11b,20MHz) @8% PER
- 11Mbps
-82 dBm SISO Receive Sensitivity 6Mbps
-86 dBm
(11g,20MHz) @10% PER
- 54Mbps
-71 dBm SISO Receive Sensitivity
- MCS=0
(11n,20MHz) @10% PER
- MCS=7
-86 dBm
-67 dBm SISO Receive Sensitivity
- MCS=0
-83 dBm
(11n ,40MHz) @10% PER
- MCS=7
-65 dBm Maximum Input Level 802.11b: -10 dBm 802.11g/n: -20 dBm
-85 dBm
-76 dBm
-82 dBm
-65 dBm
-82 dBm
-64 dBm
-79 dBm
-61 dBm Antenna Reference Small antennas with 0~2 dBi peak gain FN-LINK TECHNOLOGY LIMITED 4 Proprietary & Confidential Information L287B-SR 2.2 5GHz RF Specification Feature WLAN Standard Description IEEE 802.11a/n/ac 1x1, Wi-Fi compliant Frequency Range Number of Channels 5.150 GHz ~ 5.850 GHz (5.0 GHz Band) 5.0GHzPlease see the table1 Test Items Typical Value EVM 802.11a /54Mbps: 15 dBm 1.5 dB EVM -25dB 802.11n /MCS7:
14 dBm 1.5 dB EVM -28dB Output Power 802.11ac VHT20/MCS8:
13 dBm 1.5 dB VHT40/MCS9:
13 dBm 1.5 dB VHT80/MCS9:
11 dBm 1.5 dB Test Items Receive Sensitivity (11a,
-86 dBm 20MHz) @10% PER
- 54Mbps
-71 dBm Test Value 6Mbps
Receive Sensitivity
- MCS=0
(11n,20MHz) @10% PER
- MCS=7 Receive Sensitivity
- MCS=0
(11n,40MHz) @10% PER
- MCS=7 Receive Sensitivity
- MCS=0
(11ac,20MHz) @10% PER
- MCS=8 Receive Sensitivity
- MCS=0
(11ac,40MHz) @10% PER
- MCS=9 Receive Sensitivity
- MCS=0
(11ac,80MHz) @10% PER
- MCS=9
-86 dBm
-67 dBm
-82 dBm
-64 dBm
-85 dBm
-64 dBm
-82 dBm
-59 dBm
-79 dBm
-55 dBm Maximum Input Level 802.11a/n: -30 dBm Antenna Reference Small antennas with 0~2 dBi peak gain Conditions : VBAT=3.3V ; VDDIO=1.8V ; Temp:25C 15GHz(20MHz) Channel table Band range Numbers 5180MHz~5240MHz 5260MHz~5320MHz 36 40 44 48 52 EVM -32dB Standard Value
-82 dBm
-65 dBm
-82 dBm
-64 dBm
-79 dBm
-61 dBm
-82 dBm
-59 dBm
-79 dBm
-54 dBm
-76 dBm
-51 dBm
(MHz) 5180 5200 5220 5240 5260 Operating Channel Channel center frequencies FN-LINK TECHNOLOGY LIMITED 5 Proprietary & Confidential Information 56 60 64 100 104 108 112 116 120 124 128 132 136 140 149 153 157 161 165 5550MHz~5700MHz 5745MHz~5825MHz L287B-SR 5280 5300 5320 5500 5520 5540 5560 5580 5600 5620 5640 5660 5680 5700 5745 5765 5785 5805 5825 FN-LINK TECHNOLOGY LIMITED 6 Proprietary & Confidential Information L287B-SR 3 Bluetooth Specification 3.1 Bluetooth Specification Feature Description General Specification Bluetooth Standard Bluetooth V5.0 Host Interface UART Antenna Reference Small antennas with 0~2 dBi peak gain Frequency Band 2402 MHz ~ 2480 MHz Number of Channels 79 channels Modulation GFSK, /4-DQPSK,8DPSK Min. Max. RF Specification Output Power (BR/LE) Output Power (EDR)Note1 Sensitivity @ BER=0.1%
for GFSK (1Mbps)Note2 Sensitivity @ BER=0.01%
for /4-DQPSK (2Mbps)Note2 Sensitivity @ BER=0.01%
for 8DPSK (3Mbps)Note2 Typical. 10 dBm 7 dBm
-92dBm
-86dBm
-85dBm Maximum Input Level
/4-DQPSK (2Mbps): -20dBm GFSK (1Mbps): -20dBm 8DPSK (3Mbps): -20dBm Note1: By default, 88W8987's EDR TX power is 3dBm less than BR TX power. Note2: Desense of ~7 dB at CH 2419 MHz, ~4 dB at CH 2432 MHz, ~3 dB at 2457 MHz, ~4 dB at 2458 MHz due to internal clock harmonics of chipset. FN-LINK TECHNOLOGY LIMITED 7 Proprietary & Confidential Information 4 Pin Assignments 4.1 Pin Outline
< TOP VIEW >
L287B-SR 4.2 Pin Definition NO 1 2 3 Name GND BT_ANT GND Type I/O Description Voltage Ground connections RF I/O port for BT Ground connections FN-LINK TECHNOLOGY LIMITED 8 Proprietary & Confidential Information WL_ANT RF I/O port for dual band Wi-Fi 16 WL_WAKE_HOST O 4 5 6 7 8 9 10 11 12 13 14 15 17 18 19 20 21 22 23 25 26 27 28 29 30 31 32 33 34 GND GND GND GND GND GND GND NC NC NC WL_RST SDIO_CMD SDIO_ CLK SDIO_DATA_3 SDIO_DATA_2 SDIO_DATA_0 SDIO_DATA_1 GND NC NC PCM_SYNC PCM_IN PCM_OUT PCM_CLK RTC_CLK GND NC VDDIO I/O I I/O I/O I/O I/O I/O I/O I/O I O I/O I P Ground connections Ground connections Ground connections Ground connections Ground connections Ground connections Ground connections No connect No connect No connect WLAN independent reset, internal pull up WLAN wake-up HOST, internal pull up SDIO command line SDIO clock line SDIO data line 3 SDIO data line 2 SDIO data line 0 SDIO data line 1 No connect No connect PCM sync signal PCM data input PCM Data output PCM clock
(32.768KHz) If not used keep NC Ground connections No connect 24 WL_WAKE_HOST O Ground connections WLAN wake-up HOST, Internally short to module PIN 16 External Low Power Clock input VDDIO I/O Voltage supply input 1.8V L287B-SR 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V FN-LINK TECHNOLOGY LIMITED 9 Proprietary & Confidential Information L287B-SR Main power voltage source input 3.3V No connect No connect Bluetooth independent reset, internal pull up Ground connections Bluetooth UART interface Bluetooth UART interface 35 36 37 38 39 40 41 42 43 44 45 46 47 48 VCC33 NC NC BT_RST GND UART_TXD UART_RXD PDn NC GND NC GND P O I I I I UART_RTS_N O Bluetooth UART interface UART_CTS_N Bluetooth UART interface Full Power-down, active low 1.8V to 3.3V internal pull up No connect Ground connections No connect Ground connections 49 HOST_WAKE_BT I 50 BT_WAKE_HOST O HOST wake-up Bluetooth device, Bluetooth device to wake-up HOST, internal pull up internal pull up P:POWER I:INPUT O:OUTPUT VDDIO:1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V FN-LINK TECHNOLOGY LIMITED 10 Proprietary & Confidential Information L287B-SR 5 Dimensions 5.1 Module Picture L x W : 15 x 13 (+0.3/-0.1) mm H: 2.15 (0.2) mm Weight 0.855g 5.2 Marking Description FN-LINK TECHNOLOGY LIMITED 11 Proprietary & Confidential Information 5.3 Module Physical Dimensions
(Unit: mm)
< TOP VIEW >
6,5 L287B-SR 6,5 5,625 4,75 4,25 3,85 3,35 2,95 2,45 2,05 1,55 1,15 0,65 0,25 5 7
, 5 2 6 16
, 66 5
, 2 75
, 34
, 84
, 43
, 93 2
, 5 622
, 11 1
, 7 0
, 2 0
, 5 7
, FN-LINK TECHNOLOGY LIMITED 12 Proprietary & Confidential Information 5.4 Layout Recommendation
(Unit: mm)
< TOP VIEW >
6,5 L287B-SR 6,75 6,5 5,625 4,75 4,25 3,85 3,35 2,95 2,45 2,05 1,55 1,15 0,65 0,25 5 7
, 7 5
, 7 5 2 6 16
, 66 5
, 2 75
, 34
, 84 3
, 4 93 2
, 5 622
, 11 1
, 7
, 0 2
, 0 5
, 7 FN-LINK TECHNOLOGY LIMITED 13 Proprietary & Confidential Information 6 Power-up Sequence and Timing Specification 6.1 Power-up sequence L287B-SR VDDIO must be good (90%) before or at the same time VCC33 starts ramping up. VDDIO must be good (90%) before or at the same time PDn starts ramping up. Ramp-up time of VDDIO must be <100 ms. All supplies must be monotonic. 6.2 SDIO Default Speed, High Speed Mode Timing FN-LINK TECHNOLOGY LIMITED 14 Proprietary & Confidential Information L287B-SR 6.3 SDIO SDR12, SDR25, SDR50 modes (up to 100 MHz) (1.8V) FN-LINK TECHNOLOGY LIMITED 15 Proprietary & Confidential Information L287B-SR 6.4 SDIO SDR104 mode (208 MHz) (1.8V) FN-LINK TECHNOLOGY LIMITED 16 Proprietary & Confidential Information 6.5 SDIO DDR50 mode (50 MHz) (1.8V) L287B-SR FN-LINK TECHNOLOGY LIMITED 17 Proprietary & Confidential Information L287B-SR 6.6 High-speed UART specifications FN-LINK TECHNOLOGY LIMITED 18 Proprietary & Confidential Information 6.7 Bluetooth PCM Timing L287B-SR FN-LINK TECHNOLOGY LIMITED 19 Proprietary & Confidential Information L287B-SR FN-LINK TECHNOLOGY LIMITED 20 Proprietary & Confidential Information 7 Reference Design L287B-SR 8 Ordering Information Part No. FGL287BSRX-01 Description 88W8987-A2-NYEE, a/b/g/n/ac, Wi-Fi, BT5.0, 1T1R, SDIO+UART, 2 Antenna version, PCB V2.0, 13x15mm FN-LINK TECHNOLOGY LIMITED 21 Proprietary & Confidential Information L287B-SR 9 The Key Material List Item Part Name Description Manufacturer Inductor 2016 2.2uH,20%
Sunlord, Ceaiya, Cenker, TAIYO YUDEN Diplexer 1608 Dual-band, dual-mode Glead, Walsin, ACX, Murata, 2.4GHz/5GHz WLAN MAG.LAYERS ECEC, TKD, Hosonic, JWT, Crystal 2016 38.4MHz Chipset 88W8987-A2-NYEE PCB FR4, GREEN TXC NXP Piotek GDKX, Brain-power, Sunlord, 1 2 3 4 5 10 Recommended Reflow Profile Referred to IPC/JEDEC standard. Peak Temperature : 260C Number of Times : 2 times FN-LINK TECHNOLOGY LIMITED 22 Proprietary & Confidential Information 11 Package Information 11.1 Reel A roll of 1500pcs L287B-SR 11.2 Carrier Tape Detail FN-LINK TECHNOLOGY LIMITED 23 Proprietary & Confidential Information 11.3 Packaging Detail L287B-SR 11.4 Moisture sensitivity The Modules is a Moisture Sensitive Device level 3, in according with standard IPC/JEDEC J-STD-020, take care all the relatives requirements for using this kind of components. Moreover, the customer has to take care of the following conditions:
a) Calculated shelf life in sealed bag: 12 months at <40C and <90% relative humidity
(RH). b) Environmental condition during the production: 30C / 60% RH according to IPC/JEDEC J-STD-033A paragraph 5. c) The maximum time between the opening of the sealed bag and the reflow process must be 168 hours if condition b) IPC/JEDEC J-STD-033A paragraph 5.2 is respected d) Baking is required if conditions b) or c) are not respected e) Baking is required if the humidity indicator inside the bag indicates 10% RH or more FN-LINK TECHNOLOGY LIMITED 24 Proprietary & Confidential Information V1.0
13410505014 wangyuanjian@qinxinsz.com 357932305@qq.com
: 2020.08.12 1 2 3 4 5 6 ETS7m x 4m x 3m 700MHz---6GHz. S11 Agilent E5071B Agilent E5071B 1. WIFI Element E1 E2 E3 Value 2. Smith 3. 2.4-2.5GHz Effi Effi Gain
(%) 36.65 35.79 35.46 37.56 38.27 40.45 42.16 42.71 39.54 38.78 37.68
(dB)
-4.52
-4.35
-4.67
-4.51
-3.21
-3.72
-3.75
-4.45
-4.73
-4.57
-4.34
(dBi) 2.35 2.07 2.02 2.37 2.75 2.88 2.89 2.82 2.24 2.18 2.34 Freq
(MHz) 2400 2410 2420 2430 2440 2450 2460 2470 2480 2490 2500 3. 5.15-5.85GHz Effi Gain Effi
(dB)
(dBi) Freq
(MHz) 5150 5160 5170 5180 5190 5200 5210 5220 5230 5240 5250 5260 5270 5280 5290 5300 5310 5320 5330 5340 5350 5360 45.35 45.97 48.22 44.5 41.11 43.7 45.95 49.46 47.61 44.74 43.25 44.62 49.71 47.84 47.87 43.76 42.91 49.02 48.92 49.25 47.64 44.33
-4.52
-4.44
-4.18
-4.62
-5.07
-4.72
-4.44
-4.04
-4.25
-4.59
-4.78
-4.61
-4.01
-4.22
-4.22
-4.72
-4.83
-4.09
-4.1
-4.06
-4.24
-4.64 1.29 1.46 1.56 1.41 1.55 1.17 1.12 1.55 1.26 1.09 1.21 1.23 1.67 1.48 1.58 1.19 1.11 1.05 1.17 1.3 1.29 1.87 Freq
(MHz) Effi
(%) Effi
(dB) Gain
(dBi) Freq
(MHz) Effi
(%) Effi
(dB) Gain
(dBi) 5380 39.52 5390 40.41
-4.03
-3.93 5400 43.63
-3.6 5410 40.2 5420 41.62
-3.96
-3.81 5430 42.65
-3.7 5440 45.97 5450 44.26 5460 42.71 5470 42.11 5480 41.56 5490 47.58 5500 46.8 5510 45 5520 42.84 5530 41.39 5540 45.51 5550 48.49 5560 47.63 5570 44.93 5580 42.91 5590 44.48 5600 46.5 5610 45.52
-3.38
-3.54
-3.69
-3.76
-3.81
-3.23
-3.3
-3.47
-3.68
-3.83
-3.42
-3.14
-3.22
-3.47
-3.67
-3.52
-3.33
-3.42 1.69 1.88 2.26 1.95 2.19 2.34 2.64 2.51 2.28 2.28 2.21 2.89 2.82 2.54 2.35 2.19 2.56 2.66 2.77 2.42 2.2 2.33 2.39 2.28 5620 5630 5640 5650 5660 5670 5680 5690 5700 5710 5720 5730 5740 5750 5760 5770 5780 5790 5800 5810 5820 5830 5840 5850 43.77 42.17 43.31 46.75 48.1 46.61 43.88 42.45 44.22 47.77 49.33 46.31 41.38 40.92 44.37 46.85 45.37 39.09 34.9 37.56 41.71 45.11 37.81 32.38
-3.59
-3.75
-3.63
-3.3
-3.18
-3.31
-3.58
-3.72
-3.54
-3.21
-3.07
-3.34
-3.83
-3.88
-3.53
-3.29
-3.43
-4.08
-4.57
-4.25
-3.8
-3.46
-4.22
-4.9 2.07 1.91 2.09 2.42 2.48 2.11 1.88 1.6 1.78 2.09 2.29 1.73 1.52 1.25 1.51 1.8 1.61 0.92 0.77 0.87 1.23 1.41 0.72 0.66 FCC Statement FCC standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247
, Antenna gain 2dBi FPC Antenna 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.Any 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.FCC Radiation Exposure Statement This modular complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. If the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: Contains Transmitter Module FCC ID: 2AATL-L287B-SR Or Contains FCC ID: 2AATL-L287B-SR When the module is installed inside another device, the user manual of the host must contain below warning statements;
1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
2. (1)This device may not cause harmful interference;(2)This device must accept any interference received, including interference that may cause undesiredoperation.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 againstharmful interference in a residential installation. This FN-LINK TECHNOLOGY LIMITED 22 Proprietary & Confidential Information equipment generates, uses and can radiate radiofrequency energy and, if not installed and used in accordance with the instructions, may cause harmfulinterference to radio communications.However, there is no guarantee that interference will not occur in a particular installation. If this equipmentdoes cause harmful interference to radio or television reception, which can be determined by turning theequipment off and on, the user is encouraged to try to correct the interference by one or more of thefollowing 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. 2.Changes or modifications not expressly approved by the party responsible for compliance could void theuser's authority to operate the equipment.The devices must be installed and used in strict accordance with the manufacturer's instructions as describedin the user documentation that comes with the this modular with modular the host device which install product.Any company of approval should perform the test ofradiated & conducted emission and spurious emission, etc. according to FCC part 15C : 15.247 and 15.209& 15.207 ,15B Class B requirement, Only if the test result comply with FCC part 15C : 15.247 and 15.209&
15.207 ,15B Class B requirementthen the host can be sold legally. FN-LINK TECHNOLOGY LIMITED 23 Proprietary & Confidential Information