FCC ID SS4S50W1

Enterprise Full Touch Handheld Computer

by BLUEBIRD INC.

Grantee Code: SS4   Product Code: S50W1
Latest application date: 2025-08-26

FCC ID Device Details

FCC IDSS4S50W1
Mirrorsfcc.id | gov | fccid.ai
Grantee CodeSS4
Product CodeS50W1
Applicant BusinessBLUEBIRD INC. 🇰🇷
Related Domains bluebirdcorp.com
Equipment ClassEnterprise Full Touch Handheld Computer
Test FirmDt&C Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2025-08-26
13.56 MHzOriginal Equipment2025-08-26
2402-2480 MHzOriginal Equipment2025-08-26
5955-7115 MHzOriginal Equipment2025-08-26
5180-5240 MHzOriginal Equipment2025-08-26

Exhibits

DocumentTypeAvailableFile
User Manual FCC-S50 R1Users Manual2026-02-23PDF 2.4 MB
User Manual FCC-S70 R1Users Manual2026-02-23PDF 1.8 MB
FCC Interal_PhotosInternal Photos2026-02-23PDF 2.3 MB
FCC External PhotosExternal Photos2026-02-23PDF 1.2 MB
S50_LABEL(FCC)ID Label/Location Info2025-08-26PDF 30.7 KB
S70_LABEL(FCC)ID Label/Location Info2025-08-26PDF 59.4 KB
SS4S50W1_Label_Location_DeclarationID Label/Location Info2025-08-26PDF 78.3 KB
(S50_Reference device)RF_TestPhoto_BT_BLE_FCC&ISEDTest Setup Photos2026-02-23PDF 2.6 MB
(S50_Reference device)_RF Test Photo NFCTest Setup Photos2026-02-23PDF 504 KB
(S50_variant device)RF_TestPhoto(Spot_check_verification)Test Setup Photos2026-02-23PDF 393.7 KB
FCC WIFI6E Test Setup photosTest Setup Photos2026-02-23PDF 889.9 KB
FCC_DFS_Test_Setup_photosTest Setup Photos2026-02-23PDF 211.9 KB
FCC_RF_Test_Setup_photosTest Setup Photos2026-02-23PDF 427.3 KB
SAR Test Setup Photos_R2Test Setup Photos2026-02-23PDF 797.1 KB
WiFi6E_PD_Annex B Test Setup PhotosTest Setup Photos2026-02-23PDF 286.8 KB
(S50_Reference device)RF_TestReport(DSS-BT)_FCC&ISEDTest Report2025-08-26PDF 5.5 MB
(S50_Reference device)RF_TestReport(DTS-LE)_FCC&ISEDTest Report2025-08-26PDF 3.9 MB
(S50_Reference device)_RF Test Report(DXX-NFC)Test Report2025-08-26PDF 760.6 KB
(S50_variant device)RF_TestReport(Spot_check_verificationTest Report2025-08-26PDF 556 KB
(S50_variant device)_Spot check verificationTest Report2025-08-26PDF 556 KB
15.407_Report(11ax80)(B1,2,3,4)+RU_part1Test Report2025-08-26PDF 5.5 MB
15.407_Report(11ax80)(B1,2,3,4)+RU_part2Test Report2025-08-26PDF 3.9 MB
APPENDIX A(FCC)-R1_part3Test Report2025-08-26PDF 5.2 MB
APPENDIX A(FCC)-R1_part4Test Report2025-08-26PDF 5 MB
APPENDIX A(FCC)-R1_part5Test Report2025-08-26PDF 5.4 MB
APPENDIX A(FCC)-R1_part6Test Report2025-08-26PDF 5.2 MB
APPENDIX A(FCC)-R1_part7Test Report2025-08-26PDF 5 MB
APPENDIX A(FCC)-R1_part8Test Report2025-08-26PDF 5.1 MB
APPENDIX A(FCC)-R1_part9Test Report2025-08-26PDF 3.2 MB
APPENDIX C(FCC)_part1Test Report2025-08-26PDF 5.5 MB
APPENDIX C(FCC)_part2Test Report2025-08-26PDF 5.7 MB
APPENDIX C(FCC)_part3Test Report2025-08-26PDF 5.5 MB
APPENDIX C(FCC)_part4Test Report2025-08-26PDF 5.5 MB
APPENDIX C(FCC)_part5Test Report2025-08-26PDF 5.5 MB
APPENDIX C(FCC)_part6Test Report2025-08-26PDF 3.3 MB
APPENDIX_A(FCC)-R1_part1Test Report2025-08-26PDF 5.1 MB
APPENDIX_A(FCC)-R1_part2Test Report2025-08-26PDF 5.1 MB
APPENDIX_B(FCC)-R1_part1Test Report2025-08-26PDF 4.9 MB
APPENDIX_B(FCC)-R1_part10Test Report2025-08-26PDF 5 MB
APPENDIX_B(FCC)-R1_part11Test Report2025-08-26PDF 256.5 KB
APPENDIX_B(FCC)-R1_part2Test Report2025-08-26PDF 5.1 MB
APPENDIX_B(FCC)-R1_part3Test Report2025-08-26PDF 5.1 MB
APPENDIX_B(FCC)-R1_part4Test Report2025-08-26PDF 5 MB
APPENDIX_B(FCC)-R1_part5Test Report2025-08-26PDF 3.9 MB
APPENDIX_B(FCC)-R1_part6Test Report2025-08-26PDF 5.3 MB
APPENDIX_B(FCC)-R1_part7Test Report2025-08-26PDF 5.1 MB
APPENDIX_B(FCC)-R1_part8Test Report2025-08-26PDF 5 MB
APPENDIX_B(FCC)-R1_part9Test Report2025-08-26PDF 4.8 MB
APPENDIX_D(FCC)Test Report2025-08-26PDF 538.9 KB
PSU-NQN2412310215RF01_WIFI(11ax40)+RU_ReportTest Report2025-08-26PDF 3 MB
PSU-NQN2412310215RF03_FCC 15.407 WIIF 6ETest Report2025-08-26PDF 2.2 MB
PSU-NQN2412310215RF04_Part15E_DFS_ReportTest Report2025-08-26PDF 475.6 KB
S50_NFC_Antenna_specification_R1Test Report2025-08-26PDF 465.7 KB
WLAN_Antenna_specification_R1Test Report2025-08-26PDF 3.1 MB
Attestation Statements part 2.911(d)(5)(i)(ii)Attestation Statements2025-08-26PDF 138.1 KB
Attestation_Letter_US_AgentAttestation Statements2025-08-26PDF 172.7 KB
Attestation_Letter_part2.911(d)(5)(i)(ii)Attestation Statements2025-08-26PDF 138.1 KB
Data referencing declaration letter R2Attestation Statements2025-08-26PDF 2.8 MB
Declaration_of_Differences(S50_S70)AppendixBAttestation Statements2025-08-26PDF 125.4 KB
Declaration_of_Differences_AppendixAAttestation Statements2025-08-26PDF 68.7 KB
Declaration_of_Differences_AppendixA_1Attestation Statements2025-08-26PDF 68.7 KB
FCC ECRAttestation Statements2025-08-26PDF 280.4 KB
FCC ECR_POAAttestation Statements2025-08-26PDF 98.6 KB
SS4S50W1_6XD Device DeclarationAttestation Statements2025-08-26PDF 64.2 KB
US agent letterAttestation Statements2025-08-26PDF 172.7 KB
Authorization_LetterCover Letter(s)2025-08-26PDF 75.2 KB
Confidentiality_Request_LetterCover Letter(s)2025-08-26PDF 88.2 KB
DFS_Device_declaration_letterCover Letter(s)2025-08-26PDF 120.3 KB
DTS-UNII Device Declaration LetterCover Letter(s)2025-08-26PDF 86.3 KB
SS4S50W1_Declaration Letter for BT_WLANCover Letter(s)2025-08-26PDF 65.7 KB
SS4S50W1_Declaration Letter for WLAN channelsCover Letter(s)2025-08-26PDF 64.7 KB
SS4S50W1_FCC Authorization LetterCover Letter(s)2025-08-26PDF 75.2 KB
SS4S50W1_FCC Confidentiality Request LetterCover Letter(s)2025-08-26PDF 88.2 KB
SS4S50W1_FCC DFS Device declaration letterCover Letter(s)2025-08-26PDF 120.3 KB
SS4S50W1_FCC DTS-UNII Device Declaration LetterCover Letter(s)2025-08-26PDF 86.3 KB
Annex C Plots of System Performance Check R1RF Exposure Info2025-08-26PDF 476.9 KB
PSU-NQN2412310215SA01_S50_SAR_Report_1RF Exposure Info2025-08-26PDF 4.4 MB
PSU-NQN2412310215SA01_S50_SAR_Report_2RF Exposure Info2025-08-26PDF 4.1 MB
SAR_AnnexC Metadata onlyRF Exposure Info2025-08-26PDF 470.3 KB
SAR_AnnexDRF Exposure Info2025-08-26PDF 1.7 MB
SAR_AnnexERF Exposure Info2025-08-26PDF 402.9 KB
SAR_AnnexF1-1RF Exposure Info2025-08-26PDF 2.9 MB
SAR_AnnexF1-2RF Exposure Info2025-08-26PDF 1.7 MB
SAR_AnnexF1-3RF Exposure Info2025-08-26PDF 3.3 MB
SAR_AnnexF1-4RF Exposure Info2025-08-26PDF 5.6 MB
SAR_AnnexF1-5RF Exposure Info2025-08-26PDF 5.5 MB
SAR_AnnexF1-6RF Exposure Info2025-08-26PDF 2.2 MB
SAR_AnnexF2-1RF Exposure Info2025-08-26PDF 1.6 MB
SAR_AnnexF2-2RF Exposure Info2025-08-26PDF 2.8 MB
SAR_AnnexF2-3RF Exposure Info2025-08-26PDF 2.7 MB
SAR_AnnexF3RF Exposure Info2025-08-26PDF 3.6 MB
SAR_AnnexF4RF Exposure Info2025-08-26PDF 1.5 MB
SAR_AnnexF5RF Exposure Info2025-08-26PDF 1.3 MB
SZ25040148S01_FCC_SAR_PDRF Exposure Info2025-08-26PDF 2.7 MB
S50_S70-5G_Block_Diagram_20240318_R1 Metadata onlyBlock DiagramPDF 815.8 KB
BARCODE_RECEIVER_SE4720_REV01_SCHEMATIC Metadata onlySchematicsPDF 84.7 KB
BARCODE_RECEIVER_SE4770_REV01_SCHEMATIC Metadata onlySchematicsPDF 85.9 KB
IO_PWRKEY_FLASH_REV02_SCHEMATIC Metadata onlySchematicsPDF 87 KB
MIC_REV01_SCHEMATIC Metadata onlySchematicsPDF 76.3 KB
S50-FPCB_EARJACK_REV01_SCHEMATIC Metadata onlySchematicsPDF 77.9 KB
S50_S70-FPCB_MIC_REV01_SCHEMATIC Metadata onlySchematicsPDF 76.3 KB
S50_S70-MAIN_WIFI_SCHEMATIC Metadata onlySchematicsPDF 1.6 MB
SENSOR_MIC_LED_REV02_SCHEMATIC Metadata onlySchematicsPDF 108.6 KB
OperationDescription_Part1_R1 Metadata onlyOperational DescriptionPDF 1 MB
OperationDescription_Part2_R1 Metadata onlyOperational DescriptionPDF 1.7 MB
OperationDescription_Part3_R1 Metadata onlyOperational DescriptionPDF 2 MB
SS4S50W1_Software Security Requirements Metadata onlySDR Software/Security Info.PDF 206.7 KB
8PIN_IO_PWRKEY_FLASH_PART_LIST_20240319 Metadata onlyParts List/Tune Up InfoPDF 26.8 KB
EARJACK_PART_LIST_20240319 Metadata onlyParts List/Tune Up InfoPDF 24.5 KB
MIC_PART_LIST_20240319 Metadata onlyParts List/Tune Up InfoPDF 23.6 KB
RECEIVER_SE4720_PART_LIST_20240319 Metadata onlyParts List/Tune Up InfoPDF 23.8 KB
RECEIVER_SE4770_PART_LIST_20240319 Metadata onlyParts List/Tune Up InfoPDF 23.7 KB
S50_S70-FPCB_EARJACK_PART_LIST_20240319 Metadata onlyParts List/Tune Up InfoPDF 24.5 KB
S50_S70-FPCB_MIC_PART_LIST_20240319 Metadata onlyParts List/Tune Up InfoPDF 23.6 KB
S50_S70-MAIN-WIFI_PART_LIST_20240319 R1 Metadata onlyParts List/Tune Up InfoPDF 110 KB
S50_Tune up Procedure_FCC_add 6E_R1 Metadata onlyParts List/Tune Up InfoPDF 330.4 KB
SENSOR_MIC_LED_PART_LIST_20240319 Metadata onlyParts List/Tune Up InfoPDF 28.6 KB

Application Information

Application IDncbUCZPXqdEBaKwMzrXw3A==
Final Action Date2025-08-26
Application PurposeOriginal Equipment
Applicant FRN0022236426
ModelS50W1
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionEnterprise Full Touch Handheld Computer
Responsible PartyYongTae Park, Head of R&D; Group, FCC@bluebirdcorp.com , +82-2-2258-9736
Test FirmLee Sang-Wook, Dt&C Co., Ltd., qa@dtnc.net , 82-31-321-2664
TCB Emailbentje.holger@phoenix-testlab.de
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Short-Term Confidentiality Date02/23/2026
Long-Term ConfidentialityYes
Grant DeferralNo
Modular EquipmentDoes not apply
Composite DeviceYes
Composite PartNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryYes
Grant CommentsOutput power is maximum peak conducted.This device has integrated DXX, DSS, DTS, NII and 6XD transmitters certified under the same FCC ID.Data referencing guidance is used in this application, reference parent FCC ID: SS4S50F1.

Applications

Application IDDatePurpose
ncbUCZPXqdEBaKwMzrXw3A==2025-08-26Original Equipment
LQ+7fjYib257NBTqZtlztQ==2025-08-26Original Equipment
KtvJ8WI55sNSvkTjSnp4Rw==2025-08-26Original Equipment
EoX2/bUJoZAYU89byXAQwQ==2025-08-26Original Equipment
8ExFG6q8aINdeYqAm2JxWQ==2025-08-26Original Equipment

Equipment Authorization

FrequencyOutputGrant Notes
13.56 MHzCC, DR
2402-2480 MHz0.005CC, DR
2402-2480 MHz0.0090000CC, DR
2412-2462 MHz0.076CC, DR, MO
5180-5240 MHz0.034CC, DR, MO
5260-5320 MHz0.034CC, DR, MO
5500-5720 MHz0.04CC, DR, MO
5745-5825 MHz0.035CC, DR, MO
5955-7115 MHz0.0380000CC, DR, EP, MO

Grants

TCB Grant - Application ncbUCZPXqdEBaKwMzrXw3A==

TCB GRANT OF EQUIPMENT
AUTHORIZATION
TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  PHOENIX TESTLAB GmbH
Koenigswinkel 10
32825 Blomberg,
Germany
Date of Grant: 08/26/2025

Application Dated: 08/05/2025
BLUEBIRD INC.
3F, 115, Irwon-ro,
Gangnam-gu,
Seoul,
South Korea
 
Attention: YongTae Park , Head of R&D Group

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  SS4S50W1
Name of Grantee:  BLUEBIRD INC.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Enterprise Full Touch Handheld Computer
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC DR 15C 2402.0  -  2480.0 0.009  

Output power is maximum peak conducted.
This device has integrated DXX, DSS, DTS, NII and 6XD transmitters certified under the same FCC ID.
Data referencing guidance is used in this application, reference parent FCC ID: SS4S50F1.

CC: This device is certified pursuant to two different Part 15 rules sections.
DR: Data referencing guidance is used in this application

TCB Grant - Application LQ+7fjYib257NBTqZtlztQ==

TCB GRANT OF EQUIPMENT
AUTHORIZATION
TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  PHOENIX TESTLAB GmbH
Koenigswinkel 10
32825 Blomberg,
Germany
Date of Grant: 08/26/2025

Application Dated: 08/05/2025
BLUEBIRD INC.
3F, 115, Irwon-ro,
Gangnam-gu,
Seoul,
South Korea
 
Attention: YongTae Park , Head of R&D Group

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  SS4S50W1
Name of Grantee:  BLUEBIRD INC.
Equipment Class: Part 15 Low Power Communication Device Transmitter
Notes: Enterprise Full Touch Handheld Computer
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC DR 15C 13.56  -  13.56  

This device has integrated DXX, DSS, DTS, NII and 6XD transmitters certified under the same FCC ID.
Data referencing guidance is used in this application, reference parent FCC ID: SS4S50F1.

CC: This device is certified pursuant to two different Part 15 rules sections.
DR: Data referencing guidance is used in this application

TCB Grant - Application KtvJ8WI55sNSvkTjSnp4Rw==

TCB GRANT OF EQUIPMENT
AUTHORIZATION
TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  PHOENIX TESTLAB GmbH
Koenigswinkel 10
32825 Blomberg,
Germany
Date of Grant: 08/26/2025

Application Dated: 08/05/2025
BLUEBIRD INC.
3F, 115, Irwon-ro,
Gangnam-gu,
Seoul,
South Korea
 
Attention: YongTae Park , Head of R&D Group

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  SS4S50W1
Name of Grantee:  BLUEBIRD INC.
Equipment Class: Digital Transmission System
Notes: Enterprise Full Touch Handheld Computer
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC DR 15C 2402.0  -  2480.0 0.005  
CC DR MO 15C 2412.0  -  2462.0 0.076  

Output power is maximum peak conducted.
This device supports IEEE 802.11 b/g/n20/ac20/ax20/ax40/ax40 MHz channel bandwidths.
This device has integrated DXX, DSS, DTS, NII and 6XD transmitters certified under the same FCC ID.
SAR compliance for body-worn operating configurations is limited to the belt-clips, holsters or similar accessories that have no metallic component in the assembly and must provide at least 10 mm separation between the device and the user's body. End-users must be informed of the body-worn operating requirements for satisfying RF exposure compliance.
The highest reported SAR values for head, body-worn accessory and simultaneous transmission use conditions are 0.37 W/kg and 0.23 W/kg, respectively.
Product specific SAR at 10-gram tissue is 0.57 W/kg.
Data referencing guidance is used in this application, reference parent FCC ID: SS4S50F1.

CC: This device is certified pursuant to two different Part 15 rules sections.
DR: Data referencing guidance is used in this application
MO: This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing.

TCB Grant - Application EoX2/bUJoZAYU89byXAQwQ==

TCB GRANT OF EQUIPMENT
AUTHORIZATION
TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  PHOENIX TESTLAB GmbH
Koenigswinkel 10
32825 Blomberg,
Germany
Date of Grant: 08/26/2025

Application Dated: 08/05/2025
BLUEBIRD INC.
3F, 115, Irwon-ro,
Gangnam-gu,
Seoul,
South Korea
 
Attention: YongTae Park , Head of R&D Group

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  SS4S50W1
Name of Grantee:  BLUEBIRD INC.
Equipment Class: 15E 6 GHz Low Power Indoor Client
Notes: Enterprise Full Touch Handheld Computer
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC DR EP MO 15E 5955.0  -  7115.0 0.038  

Output power is maximum EIRP. This device supports IEEE 802.11 a/ax 20, 40, 80 and 160 MHz channel bandwidths.
This device has integrated DXX, DSS, DTS, NII and 6XD transmitters certified under the same FCC ID.
SAR compliance for body-worn operating configurations is limited to the belt- clips, holsters or similar accessories that have no metallic component in the assembly and must provide at least 2 mm separation between the device and the user's body. The highest reported power density is 0.46 mW/cm2.
Data referencing guidance is used in this application, reference parent FCC ID: SS4S50F1.

CC: This device is certified pursuant to two different Part 15 rules sections.
DR: Data referencing guidance is used in this application
EP: Output power is Effective Isotropic Radiated Power (EIRP)
MO: This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing.

TCB Grant - Application 8ExFG6q8aINdeYqAm2JxWQ==

TCB GRANT OF EQUIPMENT
AUTHORIZATION
TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  PHOENIX TESTLAB GmbH
Koenigswinkel 10
32825 Blomberg,
Germany
Date of Grant: 08/26/2025

Application Dated: 08/05/2025
BLUEBIRD INC.
3F, 115, Irwon-ro,
Gangnam-gu,
Seoul,
South Korea
 
Attention: YongTae Park , Head of R&D Group

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  SS4S50W1
Name of Grantee:  BLUEBIRD INC.
Equipment Class: Unlicensed National Information Infrastructure TX
Notes: Enterprise Full Touch Handheld Computer
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC DR MO 15E 5180.0  -  5240.0 0.034  
CC DR MO 15E 5260.0  -  5320.0 0.034  
CC DR MO 15E 5500.0  -  5720.0 0.04  
CC DR MO 15E 5745.0  -  5825.0 0.035  

Output power is maximum average conducted.
This device supports IEEE 802.11 a/n/ac/ax 20, 40, 80 and 160 MHz channel bandwidths.
This device has integrated DXX, DSS, DTS, NII and 6XD transmitters certified under the same FCC ID.
SAR compliance for body-worn operating configurations is limited to the belt-clips, holsters or similar accessories that have no metallic component in the assembly and must provide at least 10 mm separation between the device and the user's body. End-users must be informed of the body-worn operating requirements for satisfying RF exposure compliance.
The highest reported SAR values for head, body-worn accessory and simultaneous transmission use conditions are 0.95 W/kg and 0.52 W/kg, respectively.
Product specific SAR at 10-gram tissue is 1.98 W/kg.
Data referencing guidance is used in this application, reference parent FCC ID: SS4S50F1.

CC: This device is certified pursuant to two different Part 15 rules sections.
DR: Data referencing guidance is used in this application
MO: This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing.