1. FCC ID
  2. SRQ
  3. SRQ-Z716BL

FCC ID SRQ-Z716BL

WCDMA/LTE Multi-Mode Digital Mobile Phone

by ZTE Corporation

Grantee Code: SRQ   Product Code: Z716BL
Latest application date: 2015-12-21

FCC ID Device Details

FCC IDSRQ-Z716BL
Mirrorsfcc.id | gov | fccid.ai
Grantee CodeSRQ
Product CodeZ716BL
Applicant BusinessZTE Corporation 🇨🇳
Related Domains zte.com.cn sporton.com.tw
Equipment ClassWCDMA/LTE Multi-Mode Digital Mobile Phone
Test FirmSPORTON International(KunShan) Inc

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2015-12-21
2402-2480 MHzOriginal Equipment2015-12-21
706.5-713.5 MHzOriginal Equipment2015-12-21

Exhibits

DocumentTypeAvailableFile
User manualUsers Manual2016-06-18PDF 1.2 MB
Internal photoInternal Photos2016-06-18PDF 2.2 MB
External photoExternal Photos2016-06-18PDF 903.5 KB
ID LabelID Label/Location Info2015-12-21PDF 53.4 KB
Label location infoID Label/Location Info2015-12-21PDF 56.6 KB
Test setup photo_DSSTest Setup Photos2016-06-18PDF 280 KB
Test setup photo_DTS for BT 4.0Test Setup Photos2016-06-18PDF 267 KB
Test setup photo_DTS for WLAN2.4GTest Setup Photos2016-06-18PDF 279.8 KB
Test setup photo_HAC for RFTest Setup Photos2016-06-18PDF 152 KB
Test setup photo_HAC for T-CoilTest Setup Photos2016-06-18PDF 156.1 KB
Test setup photo_JBPTest Setup Photos2016-06-18PDF 365.7 KB
Test setup photo_PCE for GSMWCDMATest Setup Photos2016-06-18PDF 220.7 KB
Test setup photo_PCE for LTETest Setup Photos2016-06-18PDF 550.5 KB
Test setup photo_SARTest Setup Photos2016-06-18PDF 264.5 KB
Test Report_DSSTest Report2015-12-21PDF 1.8 MB
Test Report_JBPTest Report2015-12-21PDF 628.6 KB
Test Report_SAR_Appendix C Part 1RF Exposure Info2015-12-21PDF 3.6 MB
Test Report_SAR_Appendix C Part 2RF Exposure Info2015-12-21PDF 2.3 MB
Test Report_SAR_Report Appendix ABRF Exposure Info2015-12-21PDF 3 MB
Test report_DTS for BT 4.0Test Report2015-12-21PDF 2 MB
Test report_DTS for WLAN2.4GTest Report2015-12-21PDF 2.7 MB
Test report_HAC for RF Part 1Test Report2015-12-21PDF 4.7 MB
Test report_HAC for RF Part 2Test Report2015-12-21PDF 2.4 MB
Test report_PCE for GSM WCDMA Part 1Test Report2015-12-21PDF 4.6 MB
Test report_PCE for GSM WCDMA Part 2Test Report2015-12-21PDF 1.7 MB
Test report_PCE for LTE Part 1Test Report2015-12-21PDF 4.9 MB
Test report_PCE for LTE Part 2Test Report2015-12-21PDF 5.6 MB
Test report_PCE for LTE Part 3Test Report2015-12-21PDF 3.6 MB
Test report_SAR_Appendix C Part 1RF Exposure Info2015-12-21PDF 3.6 MB
Test report_SAR_Appendix C Part 2RF Exposure Info2015-12-21PDF 2.3 MB
Test report_SAR_Report Appendix ABRF Exposure Info2015-12-21PDF 3 MB
Test report__HAC for T-Coil Part 1Test Report2015-12-21PDF 3.1 MB
Test report__HAC for T-Coil Part 2Test Report2015-12-21PDF 5 MB
Declaration Letter_For Cell Phone DeviceCover Letter(s)2015-12-21PDF 71.8 KB
Declaration Letter_For Cell Phone Device.pdfCover Letter(s)2015-12-21PDF 71.8 KB
Declaration of authorizationCover Letter(s)2015-12-21PDF 66.4 KB
confidentialityCover Letter(s)2015-12-21PDF 82.7 KB
Block Diagram Metadata onlyBlock DiagramPDF 152.4 KB
Block diagram Metadata onlyBlock DiagramPDF 152.4 KB
Schematics Metadata onlySchematicsPDF 1.6 MB
Operational description Metadata onlyOperational DescriptionPDF 322.2 KB
Parts list (BOM) Metadata onlyParts List/Tune Up InfoPDF 79.7 KB
Tune up procedure Metadata onlyParts List/Tune Up InfoPDF 235.1 KB

Application Information

Application IDv5mkxL3xSNtynOFiwMVT2g==
Final Action Date2015-12-21
Application PurposeOriginal Equipment
Applicant FRN0022602015
ModelZ716BL
Equipment ClassJBP - Part 15 Class B Computing Device Peripheral
Device DescriptionWCDMA/LTE Multi-Mode Digital Mobile Phone
Responsible PartyChaijue Ding, Certification Manager, ding.chaijue@zte.com.cn , +86-13764330709
AgentMichael Michael Michael, SPORTON INTERNATIONAL (KUNSHAN) INC, Michael@Sporton.com.tw , 86-0512-5790-0158
Technical ContactMichael Lin, SPORTON INTERNATIONAL (KUNSHAN) INC, Michael@Sporton.com.tw , 86-0512-5790-0158
Non-Technical ContactMichael Lin, SPORTON INTERNATIONAL (KUNSHAN) INC, Michael@Sporton.com.tw , 86-0512-5790-0158
Test FirmMichael Lin, SPORTON International(KunShan) Inc, Michael@sporton.com.tw , 86-512-57900158
TCB Emailcertification@telefication.com
TCB ScopeA1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices
Short-Term ConfidentialityYes
Short-Term Confidentiality Date06/18/2016
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 InquiryNo

Applications

Application IDDatePurpose
v5mkxL3xSNtynOFiwMVT2g==2015-12-21Original Equipment
UU/PGfUD8ba/s0chYcssvQ==2015-12-21Original Equipment
SBjcuQqvar9d3A2QohPdgg==2015-12-21Original Equipment
9j+93ZfhKBptVRmaMpu6hA==2015-12-21Original Equipment

Equipment Authorization

FrequencyOutputToleranceEmissionRulesGrant Notes
15BCC
706.5-713.5 MHz0.0790.0296ppm9M09G7D27HX
706.5-713.5 MHz0.0680.0296ppm9M05W7D27HX
706.5-713.5 MHz0.0790.0296ppm4M50G7D27HX
824.7-848.3 MHz0.1310.0195ppm8M99G7D22HHX
824.7-848.3 MHz0.1120.0195ppm9M05W7D22HHX
826.4-846.6 MHz0.1210.0347ppm4M13F9W22HHC
1710.7-1754.3 MHz0.3440.0139ppm18M3G7D27HX
1710.7-1754.3 MHz0.2710.0139ppm18M3W7D27HX
1710.7-1754.3 MHz0.3820.0139ppm4M51G7D27HX
1710.7-1754.3 MHz0.3080.0139ppm2M73W7D27HX
1712.4-1752.6 MHz0.3210.0179ppm4M16F9W27HC
1850.2-1909.8 MHz1.820.0197ppm243KGXW24EHC
1850.2-1909.8 MHz0.7050.0165ppm239KG7W24EHX
1850.7-1909.3 MHz0.4930.0102ppm4M51G7D24EHX
1850.7-1909.3 MHz0.3840.0102ppm1M10W7D24EHX
1850.7-1909.3 MHz0.440.0102ppm18M3G7D24EHX
1850.7-1909.3 MHz0.3390.0102ppm18M5W7D24EHX
1852.4-1907.6 MHz0.4310.017ppm4M15F9W24EHC
2402-2480 MHz0.015000015CCC
2402-2480 MHz0.01115CCC
2412-2462 MHz0.17215CCC

Grants

TCB Grant - Application v5mkxL3xSNtynOFiwMVT2g==

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

  Telefication B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands 		Date of Grant: 12/21/2015

Application Dated: 12/17/2015
ZTE Corporation
ZTE Plaza, Keji Road South
Shenzhen,
China
 
Attention: Chaijue Ding , Certification Manager

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:  SRQ-Z716BL
Name of Grantee:  ZTE Corporation
Equipment Class: Part 15 Class B Computing Device Peripheral
Notes: WCDMA/LTE Multi-Mode Digital Mobile Phone
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15B  - 


CC: This device is certified pursuant to two different Part 15 rules sections.

EAS Grant - Application v5mkxL3xSNtynOFiwMVT2g==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

ZTE Corporation
ZTE Plaza, Keji Road South
Shenzhen,
China 		  Date of Grant: 12/21/2015

Application Dated: 12/17/2015
 
Attention: Chaijue Ding , Certification Manager

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:  SRQ-Z716BL
Name of Grantee:  ZTE Corporation
Equipment Class: Part 15 Class B Computing Device Peripheral
Notes: WCDMA/LTE Multi-Mode Digital Mobile Phone
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15B  - 


CC: This device is certified pursuant to two different Part 15 rules sections.

TCB Grant - Application UU/PGfUD8ba/s0chYcssvQ==

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

  Telefication B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands 		Date of Grant: 12/21/2015

Application Dated: 12/17/2015
ZTE Corporation
ZTE Plaza, Keji Road South
Shenzhen,
China
 
Attention: Chaijue Ding , Certification Manager

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:  SRQ-Z716BL
Name of Grantee:  ZTE Corporation
Equipment Class: Digital Transmission System
Notes: WCDMA/LTE Multi-mode Digital Mobile Phone
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2412.0  -  2462.0 0.172  
CC 15C 2402.0  -  2480.0 0.011  

Power Output is conducted. Body worn operations are restricted to 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, which includes use as hotspot. End users must be informed of the body worn requirements for satisfying RF Exposure compliance. The highest reported SAR values for head, body-worn accessory, product specific (wireless router), and simultaneous transmission use conditions are 0.11 W/kg, <0.1 W/kg, <0.1 W/kg, and 1.24 W/kg, respectively.

This device has a 20 MHz bandwidth mode.


CC: This device is certified pursuant to two different Part 15 rules sections.

EAS Grant - Application UU/PGfUD8ba/s0chYcssvQ==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

ZTE Corporation
ZTE Plaza, Keji Road South
Shenzhen,
China 		  Date of Grant: 12/21/2015

Application Dated: 12/17/2015
 
Attention: Chaijue Ding , Certification Manager

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:  SRQ-Z716BL
Name of Grantee:  ZTE Corporation
Equipment Class: Digital Transmission System
Notes: WCDMA/LTE Multi-mode Digital Mobile Phone
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2412.0  -  2462.0 0.172  
CC 15C 2402.0  -  2480.0 0.011  

Power Output is conducted. Body worn operations are restricted to 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, which includes use as hotspot. End users must be informed of the body worn requirements for satisfying RF Exposure compliance. The highest reported SAR values for head, body-worn accessory, product specific (wireless router), and simultaneous transmission use conditions are 0.11 W/kg, <0.1 W/kg, <0.1 W/kg, and 1.24 W/kg, respectively.

This device has a 20 MHz bandwidth mode.


CC: This device is certified pursuant to two different Part 15 rules sections.

TCB Grant - Application SBjcuQqvar9d3A2QohPdgg==

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

  Telefication B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands 		Date of Grant: 12/21/2015

Application Dated: 12/17/2015
ZTE Corporation
ZTE Plaza, Keji Road South
Shenzhen,
China
 
Attention: Chaijue Ding , Certification Manager

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:  SRQ-Z716BL
Name of Grantee:  ZTE Corporation
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: WCDMA/LTE Multi-mode Digital Mobile Phone
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.015  

Power Output is conducted. End-users must be informed of transmitter operating conditions for satisfying RF exposure compliance.

CC: This device is certified pursuant to two different Part 15 rules sections.

EAS Grant - Application SBjcuQqvar9d3A2QohPdgg==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

ZTE Corporation
ZTE Plaza, Keji Road South
Shenzhen,
China 		  Date of Grant: 12/21/2015

Application Dated: 12/17/2015
 
Attention: Chaijue Ding , Certification Manager

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:  SRQ-Z716BL
Name of Grantee:  ZTE Corporation
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: WCDMA/LTE Multi-mode Digital Mobile Phone
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.015  

Power Output is conducted. End-users must be informed of transmitter operating conditions for satisfying RF exposure compliance.


CC: This device is certified pursuant to two different Part 15 rules sections.

TCB Grant - Application 9j+93ZfhKBptVRmaMpu6hA==

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

  Telefication B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands 		Date of Grant: 12/21/2015

Application Dated: 12/17/2015
ZTE Corporation
ZTE Plaza, Keji Road South
Shenzhen,
China
 
Attention: Chaijue Ding , Certification Manager

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:  SRQ-Z716BL
Name of Grantee:  ZTE Corporation
Equipment Class: PCS Licensed Transmitter held to ear
Notes: WCDMA/LTE Multi-Mode Digital Mobile Phone
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
HC 22H 824.2  -  848.8 0.773 0.0466  PM 244KGXW
HX 22H 824.2  -  848.8 0.161 0.0466  PM 237KG7W
HC 22H 826.4  -  846.6 0.121 0.0347  PM 4M13F9W
HC 24E 1850.2  -  1909.8 1.82 0.0197  PM 243KGXW
HX 24E 1850.2  -  1909.8 0.705 0.0165  PM 239KG7W
HC 24E 1852.4  -  1907.6 0.431 0.017  PM 4M15F9W
HC 27 1712.4  -  1752.6 0.321 0.0179  PM 4M16F9W
HX 24E 1850.7  -  1909.3 0.44 0.0102  PM 18M3G7D
HX 24E 1850.7  -  1909.3 0.339 0.0102  PM 18M5W7D
HX 24E 1850.7  -  1909.3 0.493 0.0102  PM 4M51G7D
HX 24E 1850.7  -  1909.3 0.384 0.0102  PM 1M10W7D
HX 27 1710.7  -  1754.3 0.344 0.0139  PM 18M3G7D
HX 27 1710.7  -  1754.3 0.271 0.0139  PM 18M3W7D
HX 27 1710.7  -  1754.3 0.382 0.0139  PM 4M51G7D
HX 27 1710.7  -  1754.3 0.308 0.0139  PM 2M73W7D
HX 22H 824.7  -  848.3 0.131 0.0195  PM 8M99G7D
HX 22H 824.7  -  848.3 0.112 0.0195  PM 9M05W7D
HX 27 706.5  -  713.5 0.079 0.0296  PM 9M09G7D
HX 27 706.5  -  713.5 0.068 0.0296  PM 9M05W7D
HX 27 706.5  -  713.5 0.079 0.0296  PM 4M50G7D

Power Output is ERP for 22 and 27 (below 1GHz) and EIRP for Part 24 and 27 (above 1GHz). Body worn operations are restricted to 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, which includes use as hotspot. End users must be informed of the body worn requirements for satisfying RF Exposure compliance. The highest reported SAR values for head, body-worn accessory, product specific (wireless router), and simultaneous transmission use conditions are 0.78 W/kg, 1.16 W/kg, 1.18 W/kg, and 1.24 W/kg, respectively.

This device contains functions that are not operational in U.S. Territories. This filing is only applicable for U.S. operations.

HAC Rating: M4/T3 (ANSI C63.19 - 2011)


HC: This equipment complies with the hearing aid compatibility technical requirements of Section 20.19 of the rules.
HX: This mode of operation has the means to permit held to the ear telephone calls but has not been tested for hearing aid compatibility. The device supports other modes which have been found to be compliant with the HAC rules.

EAS Grant - Application 9j+93ZfhKBptVRmaMpu6hA==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

ZTE Corporation
ZTE Plaza, Keji Road South
Shenzhen,
China 		  Date of Grant: 12/21/2015

Application Dated: 12/17/2015
 
Attention: Chaijue Ding , Certification Manager

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:  SRQ-Z716BL
Name of Grantee:  ZTE Corporation
Equipment Class: PCS Licensed Transmitter held to ear
Notes: WCDMA/LTE Multi-Mode Digital Mobile Phone
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
HC 22H 824.2  -  848.8 0.773 0.0466  PM 244KGXW
HX 22H 824.2  -  848.8 0.161 0.0466  PM 237KG7W
HC 22H 826.4  -  846.6 0.121 0.0347  PM 4M13F9W
HC 24E 1850.2  -  1909.8 1.82 0.0197  PM 243KGXW
HX 24E 1850.2  -  1909.8 0.705 0.0165  PM 239KG7W
HC 24E 1852.4  -  1907.6 0.431 0.017  PM 4M15F9W
HC 27 1712.4  -  1752.6 0.321 0.0179  PM 4M16F9W
HX 24E 1850.7  -  1909.3 0.44 0.0102  PM 18M3G7D
HX 24E 1850.7  -  1909.3 0.339 0.0102  PM 18M5W7D
HX 24E 1850.7  -  1909.3 0.493 0.0102  PM 4M51G7D
HX 24E 1850.7  -  1909.3 0.384 0.0102  PM 1M10W7D
HX 27 1710.7  -  1754.3 0.344 0.0139  PM 18M3G7D
HX 27 1710.7  -  1754.3 0.271 0.0139  PM 18M3W7D
HX 27 1710.7  -  1754.3 0.382 0.0139  PM 4M51G7D
HX 27 1710.7  -  1754.3 0.308 0.0139  PM 2M73W7D
HX 22H 824.7  -  848.3 0.131 0.0195  PM 8M99G7D
HX 22H 824.7  -  848.3 0.112 0.0195  PM 9M05W7D
HX 27 706.5  -  713.5 0.079 0.0296  PM 9M09G7D
HX 27 706.5  -  713.5 0.068 0.0296  PM 9M05W7D
HX 27 706.5  -  713.5 0.079 0.0296  PM 4M50G7D

Power Output is ERP for 22 and 27 (below 1GHz) and EIRP for Part 24 and 27 (above 1GHz). Body worn operations are restricted to 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, which includes use as hotspot. End users must be informed of the body worn requirements for satisfying RF Exposure compliance. The highest reported SAR values for head, body-worn accessory, product specific (wireless router), and simultaneous transmission use conditions are 0.78 W/kg, 1.16 W/kg, 1.18 W/kg, and 1.24 W/kg, respectively.

This device contains functions that are not operational in U.S. Territories. This filing is only applicable for U.S. operations.

HAC Rating: M4/T3 (ANSI C63.19 - 2011)


HC: This equipment complies with the hearing aid compatibility technical requirements of Section 20.19 of the rules.
HX: This mode of operation has the means to permit held to the ear telephone calls but has not been tested for hearing aid compatibility. The device supports other modes which have been found to be compliant with the HAC rules.

Mail To: