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FCC ID: XF6-M4SB Single Band SIP Module, Small Form Factor Single Band 802.11b/g/n, Bluetooth 5.0, Zigbee Module

by: Silicon Labs latest update: 2022-12-28 model: M4SB

Four grants have been issued under this FCC ID from 12/31/2019 to 12/28/2022 (this is the only release in 2022 for this grantee). Public details available include manuals, frequency information, and internal & external photos. some products also feature user submitted or linked warrantee terms, drivers, password defaults, instructions, & troubleshooting guides.
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manuals photos labels
app s submitted / available
1 2 3 4 User Manual Users Manual pdf 1.90 MiB December 31 2019 / June 28 2020 delayed release
1 2 3 4 kanega002 owners manual v1 Users Manual pdf 291.14 KiB March 19 2020
1 2 3 4 1912RSU024-UE-Internal Photo v1 Internal Photos pdf 1.34 MiB March 19 2020
1 2 3 4 2108RSU042-UE-Internal Rev2.0 Internal Photos pdf 2.15 MiB November 29 2021 / November 30 2021
1 2 3 4 Internal Photos Internal Photos pdf 190.79 KiB December 31 2019 / June 28 2020 delayed release
1 2 3 4 1912RSU024-UE External Photos pdf 1.05 MiB March 19 2020
1 2 3 4 2108RSU042-UE-External External Photos pdf 1.30 MiB November 29 2021 / November 30 2021
1 2 3 4 External Photos External Photos pdf 449.11 KiB December 31 2019 / June 28 2020 delayed release
1 2 3 4 KANEGA002-eLabel ID Label/Location Info pdf 31.50 KiB March 19 2020
1 2 3 4 Label and Label Location ID Label/Location Info pdf 30.26 KiB December 31 2019
1 2 3 4 2108RSU042-U4-FCC RF Test Report For BLE V3.0 Test Report pdf 1.70 MiB November 29 2021 / November 30 2021
1 2 3 4 2108RSU042-U5-FCC RF Test Report For Wi-FiV3.0 Test Report pdf 1.94 MiB November 29 2021 / November 30 2021
1 2 3 4 2108RSU042-UT-1 Test Setup Photos pdf 348.37 KiB November 29 2021 / November 30 2021
1 2 3 4 CP2C Module Authorization Cover Letter(s) pdf 31.35 KiB November 29 2021 / November 30 2021
1 2 3 4 FCC C2PC Request-BTwifi V3.0 Cover Letter(s) pdf 124.75 KiB November 29 2021 / November 30 2021
1 2 3 4 FCC Lab Authorization-signed Cover Letter(s) pdf 50.28 KiB November 29 2021 / November 30 2021
1 2 3 4 Modular Approval cover letter-BTwifi V3.0 Cover Letter(s) pdf 171.50 KiB November 29 2021 / November 30 2021
1 2 3 4 1912RSU024-U3-FCC SAR Test Report RF Exposure Info pdf 1.94 MiB March 19 2020
1 2 3 4 1912RSU024-U4-FCC IC RF Test Report For BLE v1 Test Report pdf 1.76 MiB March 19 2020
1 2 3 4 1912RSU024-U5-FCC IC RF Test Report For Wi-Fi v1 Test Report pdf 2.15 MiB March 19 2020
1 2 3 4 1912RSU024-UT Test Setup Photos pdf 223.05 KiB March 19 2020
1 2 3 4 ACB-FORM-FCC-Modular-Letter v1 Cover Letter(s) pdf 281.85 KiB March 19 2020
1 2 3 4 Annex E - Equipment Calibration Report v1 RF Exposure Info pdf 5.49 MiB March 19 2020
1 2 3 4 CP2C RedPine FCC ISED Module Authorization v1 Cover Letter(s) pdf 98.90 KiB March 19 2020
1 2 3 4 Confidential Tune-up Procedure Parts List/Tune Up Info pdf March 19 2020 confidential
1 2 3 4 FCC Confidentiality Letter-signed Cover Letter(s) pdf 46.40 KiB March 19 2020
1 2 3 4 FCC C2PC Request-signed v1 Cover Letter(s) pdf 60.75 KiB March 19 2020
1 2 3 4 Individual Product RedPine FCC Lab Authorization-signed Cover Letter(s) pdf 44.20 KiB March 19 2020
1 2 3 4 Block Diagram Block Diagram pdf December 31 2019 confidential
1 2 3 4 Confidential Authorization Cover Letter(s) pdf 95.50 KiB December 31 2019
1 2 3 4 MPE RF Exposure Info pdf 392.95 KiB December 31 2019
1 2 3 4 Modular Approval Letter Cover Letter(s) pdf 92.71 KiB December 31 2019
1 2 3 4 Operational Description Operational Description pdf December 31 2019 confidential
1 2 3 4 Schematics Schematics pdf December 31 2019 confidential
1 2 3 4 Test Report (2.4G Wi-Fi) Test Report pdf 4.41 MiB December 31 2019
1 2 3 4 Test Report (BLE) Test Report pdf 3.66 MiB December 31 2019
1 2 3 4 Test Report (Zigbee) Test Report pdf 2.56 MiB December 31 2019
1 2 3 4 Test Setup Photos Test Setup Photos pdf 495.52 KiB December 31 2019 / June 28 2020 delayed release
1 2 3 4 User Manual Users Manual pdf 1.90 MiB December 31 2019 / June 28 2020 delayed release
1 2 3 4 kanega002 owners manual v1 Users Manual pdf 291.14 KiB March 19 2020
1 2 3 4 1912RSU024-UE-Internal Photo v1 Internal Photos pdf 1.34 MiB March 19 2020
1 2 3 4 2108RSU042-UE-Internal Rev2.0 Internal Photos pdf 2.15 MiB November 29 2021 / November 30 2021
1 2 3 4 Internal Photos Internal Photos pdf 190.79 KiB December 31 2019 / June 28 2020 delayed release
1 2 3 4 1912RSU024-UE External Photos pdf 1.05 MiB March 19 2020
1 2 3 4 2108RSU042-UE-External External Photos pdf 1.30 MiB November 29 2021 / November 30 2021
1 2 3 4 External Photos External Photos pdf 449.11 KiB December 31 2019 / June 28 2020 delayed release
1 2 3 4 KANEGA002-eLabel ID Label/Location Info pdf 31.50 KiB March 19 2020
1 2 3 4 Label and Label Location ID Label/Location Info pdf 30.26 KiB December 31 2019
1 2 3 4 2108RSU042-U4-FCC RF Test Report For BLE V3.0 Test Report pdf 1.70 MiB November 29 2021 / November 30 2021
1 2 3 4 2108RSU042-U5-FCC RF Test Report For Wi-FiV3.0 Test Report pdf 1.94 MiB November 29 2021 / November 30 2021
1 2 3 4 2108RSU042-UT-1 Test Setup Photos pdf 348.37 KiB November 29 2021 / November 30 2021
1 2 3 4 CP2C Module Authorization Cover Letter(s) pdf 31.35 KiB November 29 2021 / November 30 2021
1 2 3 4 FCC C2PC Request-BTwifi V3.0 Cover Letter(s) pdf 124.75 KiB November 29 2021 / November 30 2021
1 2 3 4 FCC Lab Authorization-signed Cover Letter(s) pdf 50.28 KiB November 29 2021 / November 30 2021
1 2 3 4 Modular Approval cover letter-BTwifi V3.0 Cover Letter(s) pdf 171.50 KiB November 29 2021 / November 30 2021
1 2 3 4 1912RSU024-U3-FCC SAR Test Report RF Exposure Info pdf 1.94 MiB March 19 2020
1 2 3 4 1912RSU024-U4-FCC IC RF Test Report For BLE v1 Test Report pdf 1.76 MiB March 19 2020
1 2 3 4 1912RSU024-U5-FCC IC RF Test Report For Wi-Fi v1 Test Report pdf 2.15 MiB March 19 2020
1 2 3 4 1912RSU024-UT Test Setup Photos pdf 223.05 KiB March 19 2020
1 2 3 4 ACB-FORM-FCC-Modular-Letter v1 Cover Letter(s) pdf 281.85 KiB March 19 2020
1 2 3 4 Annex E - Equipment Calibration Report v1 RF Exposure Info pdf 5.49 MiB March 19 2020
1 2 3 4 CP2C RedPine FCC ISED Module Authorization v1 Cover Letter(s) pdf 98.90 KiB March 19 2020
1 2 3 4 FCC Confidentiality Letter-signed Cover Letter(s) pdf 46.40 KiB March 19 2020
1 2 3 4 FCC C2PC Request-signed v1 Cover Letter(s) pdf 60.75 KiB March 19 2020
1 2 3 4 Individual Product RedPine FCC Lab Authorization-signed Cover Letter(s) pdf 44.20 KiB March 19 2020
1 2 3 4 Confidential Authorization Cover Letter(s) pdf 95.50 KiB December 31 2019
1 2 3 4 MPE RF Exposure Info pdf 392.95 KiB December 31 2019
1 2 3 4 Modular Approval Letter Cover Letter(s) pdf 92.71 KiB December 31 2019
1 2 3 4 Test Report (2.4G Wi-Fi) Test Report pdf 4.41 MiB December 31 2019
1 2 3 4 Test Report (BLE) Test Report pdf 3.66 MiB December 31 2019
1 2 3 4 Test Report (Zigbee) Test Report pdf 2.56 MiB December 31 2019
1 2 3 4 Test Setup Photos Test Setup Photos pdf 495.52 KiB December 31 2019 / June 28 2020 delayed release

frequency equipment class purpose
1 2022-12-28 2412 ~ 2462 DTS - Digital Transmission System Class II Permissive Change
2 2021-11-30 2412 ~ 2462 DTS - Digital Transmission System
3 2020-03-19 2412 ~ 2462 DTS - Digital Transmission System
4 2019-12-31 2412 ~ 2462 DTS - Digital Transmission System Original Equipment

Application Forms

app s Applicant Information
1 2 3 4 Effective 2022-12-28
1 2 3 4 2021-11-30
1 2 3 4 2020-03-19
1 2 3 4 2019-12-31
1 2 3 4 Applicant's complete, legal business name Silicon Labs
1 2 3 4 Redpine Signals Inc
1 2 3 4 FCC Registration Number (FRN) 0018834648
1 2 3 4 Physical Address 9th Floor, Maximus Towers 2B, Raheja Mindspace IT APIIC Software Layout
1 2 3 4 2107 N.First Street, Suite 540
1 2 3 4 9th Floor, Maximus Towers 2B, Raheja Mindspace IT
1 2 3 4 Madhapur, HYDERABAD, N/A
1 2 3 4 San Jose, CA
1 2 3 4 India
1 2 3 4 United States
app s TCB Information
1 2 3 4 TCB Application Email Address t******@timcoengr.com
1 2 3 4 h******@acbcert.com
1 2 3 4 b******@baclcorp.com
1 2 3 4 TCB Scope A4: UNII devices & low power transmitters using spread spectrum techniques
app s FCC ID
1 2 3 4 Grantee Code XF6
1 2 3 4 Equipment Product Code M4SB
app s Person at the applicant's address to receive grant or for contact
1 2 3 4 Name S******** A******
1 2 3 4 Title Senior Director & Site Manager
1 2 3 4 Vice President - Systems & Software
1 2 3 4 Telephone Number +91-4********
1 2 3 4 +1 40********
1 2 3 4 Fax Number +91-4********
1 2 3 4 +1 40********
1 2 3 4 E-mail s******@silabs.com
1 2 3 4 s******@redpinesignals.com
app s Technical Contact
1 2 3 4 Firm Name MRT Technology (Suzhou) Co., Ltd
1 2 3 4 Name R**** W****
1 2 3 4 Physical Address D8 Building, No.2 Tianedang Rd., Wuzhong Economic
1 2 3 4 D8 Building, Youxin Industrial Park
1 2 3 4 Suzhou
1 2 3 4 Suzhou, 215104
1 2 3 4 China
1 2 3 4 Telephone Number 86-51******** Extension:
1 2 3 4 Fax Number 86-51********
1 2 3 4 E-mail r******@mrt-cert.com
app s Non Technical Contact
1 2 3 4 Firm Name MRT Technology (Suzhou) Co., Ltd
1 2 3 4 Name R******** W******
1 2 3 4 Physical Address D8 Building, Youxin Industrial Park
1 2 3 4 Suzhou, 215104
1 2 3 4 China
1 2 3 4 Telephone Number 86-51******** Extension:
1 2 3 4 Fax Number 86-51********
1 2 3 4 E-mail r******@mrt-cert.com
app s Confidentiality (long or short term)
1 2 3 4 Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:Yes
1 2 3 4 No
1 2 3 4 Long-Term Confidentiality Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:No
1 2 3 4 Yes
1 2 3 4 If so, specify the short-term confidentiality release date (MM/DD/YYYY format)06/28/2020
if no date is supplied, the release date will be set to 45 calendar days past the date of grant.
app s Cognitive Radio & Software Defined Radio, Class, etc
1 2 3 4 Is this application for software defined/cognitive radio authorization?No
1 2 3 4 Equipment ClassDTS - Digital Transmission System
1 2 3 4 Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant)Single Band SIP Module, Small Form Factor Single Band 802.11b/g/n, Bluetooth 5.0, Zigbee Module
1 2 3 4 Single Band SIP Module,Small Form Factor Single Band 802.11b/g/n, Bluetooth 5.0, Zigbee Module
1 2 3 4 Related OET KnowledgeDataBase Inquiry: Is there a KDB inquiry associated with this application?No
1 2 3 4 Modular Equipment TypeLimited Single Modular Approval
1 2 3 4 Single Modular Approval
1 2 3 4 Purpose / Application is forClass II Permissive Change
1 2 3 4 Original Equipment
1 2 3 4 Composite Equipment: Is the equipment in this application a composite device subject to an additional equipment authorization?No
1 2 3 4 Related Equipment: Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization?No
1 2 3 4 Grant CommentsClass II Permissive Change as documented in this filing, by installing this module into the wireless device next to body for specific host(Silicon Labs with model of SMSK V2.1). Limited Single Modular Approval. Power Output listed is conducted power. SAR compliance for portable use conditions has been evaluated as described in this filing. The antenna(s) used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures or as described in this filing. The highest reported SAR value is 0.11W/kg. This device only supports 20MHz bandwidth mode for 2.4G WLAN and it also contains BLE transmitter and Zigbee transmitter.
1 2 3 4 Class II Permissive Change as documented in this filing, by installing this module into the portable device for specific host(Kanega Watch with model of KANEGA003). Limited Single Modular Approval. Power Output listed is conducted power. End-users must be provided with transmitter operating conditions for satisfying RF exposure compliance. This device only supports 20MHz bandwidth mode for 2.4G WLAN and it also contains BLE transmitter.
1 2 3 4 Class II Permissive Change as documented in this filing, by installing this module in the portable device for specific host (Kanega Watch with model of KANEGA002). Limited Single Modular Approval. Power Output listed is conducted at the antenna terminal. End users must be informed of the body worn requirements for satisfying RF Exposure compliance. The highest reported SAR value (Body-worn) is <0.10 W/kg. This device only supports 20MHz bandwidth mode for WiFi 2.4GHz transmitter.
1 2 3 4 Modular Approval. Output power listed is conducted. This transmitter is approved for use in mobile RF exposure category configurations with the antenna(s) installed to provide a separation distance of at least 20 cm from all persons. This grant is valid only when the module is sold to OEM or OEM integrator. Co-location of this module with other transmitters that operate simultaneously is required to be evaluated using the FCC multi-transmitter procedures. The integrator must be provided with specific information required to satisfy RF exposure compliance for final host devices and installations. Compliance of this device in all final host configurations is the responsibility of the Grantee. Installation of this device into portable RF Exposure category host devices requires the submission of a Class II permissive change or new application. This device supports 20 MHz and 40 MHz bandwidth modes.
1 2 3 4 Is there an equipment authorization waiver associated with this application?No
1 2 3 4 If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?No
app s Test Firm Name and Contact Information
1 2 3 4 Firm Name RF Exposure Lab, LLC
1 2 3 4 MRT TECHNOLOGY (SHENZHEN) CO., LTD.
1 2 3 4 MRT Technology (Suzhou) Co., Ltd.
1 2 3 4 Bay Area Compliance Laboratories Corp.(Linkou Lab)
1 2 3 4 Name T**** M********
1 2 3 4 M******** C****
1 2 3 4 M****** C****
1 2 3 4 Z**** C********
1 2 3 4 Telephone Number 760 4********
1 2 3 4 +86-5********
1 2 3 4 +86-5******** Extension:
1 2 3 4 886-2******** Extension:
1 2 3 4 Fax Number +886-********
1 2 3 4 E-mail t******@rfexposurelab.com
1 2 3 4 m******@mrt-cert.com
1 2 3 4 z******@baclcorp.com
Equipment Specifications
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
1 1 15C 2412 2462 0.15
1 2 15C 2402 2480 0.108
1 3 15C 2405 2480 0.091
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
2 1 15C 2412 2462 0.074
2 2 15C 2402 2480 0.052
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
3 1 15C 2412 2462 0.074
3 2 15C 2402 2480 0.052
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
4 1 15C 2412 2462 0.15
4 2 15C 2402 2480 0.108
4 3 15C 2405 2480 0.091

 

some individual PII (Personally Identifiable Information) available on the public forms may be redacted, original source may include additional details

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