2BA2X-RR9SANARadio Control Transceiver

COMPLEX RADIO CONTROL SYSTEMCOMPLEX RADIO CONTROL SYSTEM ® COMPLEX RADIO CONTROL SYSTEM 1 User manualUser manualUser manual EN REX Assist receivers 08/2023 COMPLEX RADIO CONTROL SYSTEM COMPLEX RADIO CONTROL SYSTEM 4.2 Multicopter ................................................................................... 16 4.2.1 Optimise multicopter settings ........................................ 22 3.2 Power supply ................................................................................ 07 4.1.2 Choice of flight modes ...................................................... 14 4.1 Airplane ....................................................................................... 10 2.1 Technical data ............................................................................. 03 3.5 Range test .................................................................................... 09 4.2.2 Choice of flight modes ...................................................... 25 4.3 Description of flight modes ...................................................... 25 4.3.1 Manual (Assist Off): Airplanes ........................................ 25 3. Installation ........................................................................................... 05 4. Quick setup ........................................................................................... 10 4.1.1 Airplane model settings optimisation ..................... 13 Content: 3.1 Installation in the model ........................................................... 05 3.3 Operation ..................................................................................... 08 2. Technical data ...................................................................................... 02 3.4 Binding .......................................................................................... 08 1. Introduction......................................................................................... 01 2.2 Important Notices ...................................................................... 03 EN COMPLEX RADIO CONTROL SYSTEM 4.3.3 Normal (Damping): Airplanes ....................................... 26 4.3.5 Stabilisation of the horizon: Airplanes and 4.3.4 Heading Hold: Airplanes .................................................. 26 4.3.2 Training: Airplanes ............................................................ 25 5. Additional stabilisation features ................................................ 29 5.5.3 Band Filter (Notch Filter) ............................................. 36 4.3.7 Sport: Multicopters .......................................................... 27 5.5.2 PID Derivative Low-Passfilter .......................................... 35 5.2 Additional channels ................................................................... 30 Multicopters ......................................................................... 26 4.3.9 Altitude stabilisation: Multicopters ............................... 28 5.4 Connecting an external LED strip ............................................ 33 4.3.6 Stabilise: Multicopters ...................................................... 27 5.3 Camera gimbal ............................................................................ 31 5.5 Vibration analysis and filtering .............................................. 35 5.1 Throttle to PID attenuation (TPA) ............................................ 29 5.5.4 Example of band filter adjustment ................................ 36 4.3.8 Acro: Multicopters ............................................................. 28 5.5.1 Vibration analysis .............................................................. 35 5.6 Sensor calibration .................................................................... 36 EN COMPLEX RADIO CONTROL SYSTEM 6.4 Arming switch .............................................................................. 41 6.5 Fail-Safe ........................................................................................ 41 7. Alternative pins configuration .......................................................... 43 9.1 General .......................................................................................... 48 6.3 Acro mode settings ................................................................... 40 9.3 Multicopter models ................................................................... 49 8. Real time telemetry .............................................................................. 47 10. Receiver update and configuration ............................................... 51 10.1 Update the receiver ..................................................................... 51 10.2 Configuring the receiver via a PC ............................................. 52 6. Advanced properties ............................................................................. 38 6.1 PID control setting ...................................................................... 39 9. Solving the most common problems ............................................... 48 7.1 Receiver Outputs ......................................................................... 46 9.2 Airplane models .......................................................................... 48 6.2 "Stabilise" mode setting ............................................................. 39 11.1. Registration and purchase of the module ............................ 53 11.2. Activating the receiver's vario and altimeter function ...... 54 11. Activation of extension functions ............................................... 53 EN COMPLEX RADIO CONTROL SYSTEM The REX A receivers are compatible with all existing 2.4GHz Duplex Tx modules and DC/DS transmitters. You can set them directly via DC/DS transmitters, alternatively you can use the USBa adapter and JETI Studio software (free download at www.jetimodel.com). The receivers provide internal telemetry (e.g., receiver quality, inertial unit status and…

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Solid Tech LLC 478 Fillmore Ave NE Palm Bay FL 32907 [email protected] (321)961-4481 Date: 08-24-2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 08-01-2023 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BA2X-RR9SANA Solid Tech LLC (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, Jan Jelen

Solid Tech LLC 478 Fillmore Ave NE Palm Bay FL 32907 [email protected] (321)961-4481 Date: 08-24-2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 08-01-2023 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BA2X-RR9SANA Solid Tech LLC (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Jan Jelen

Solid Tech LLC 478 Fillmore Ave NE Palm Bay FL 32907 [email protected] (321)961-4481 Date: 08-24-2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 08-01-2023 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2BA2X-RR9SANA Solid Tech LLC (“the applicant”) certifies that, as of the date of the filing of the application, we designate ourselves as the U.S. agent for service of process. Designated U.S. Agent Information: FRN: 0033716622 Name: Solid Tech LLC Address: 478 Fillmore Ave NE Palm Bay, FL 32907 Contact Person: Jan Jelen Tel.: 321-961-4481 Email: [email protected] Sincerely, Jan Jelen

Solid Tech LLC 478 Fillmore Ave NE Palm Bay FL 32907 [email protected] (321)961-4481 Revision: 160715 Page 1 of 1 Approved By: G Greene Date: 08-24-2023 TIMCO ENGINEERING, INC. 13146 NW 86 th Drive, Suite 400 Al achua, FL 32615 SUBJECT: Application for Certification for FCC ID: 2BA2X-RR9SANA IC: 30291-RR9SANA To Whom It May Concern: We, the undersigned, hereby authorize Sharon Hoffman at Timco Engineering Inc. on our behalf, to apply to the Federal Communications Commission and ISED on our equipment. Any and all acts carried out by Sharon Hoffman at Timco Engineering Inc. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, Jan Jelen

Solid Tech LLC 478 Fillmore Ave NE Palm Bay FL 32907 [email protected] (321)961-4481 Revision: 160715 Page 1 of 1 Approved By: G Greene Date: 08-24-2023 TIMCO ENGINEERING, INC. 13146 NW 86 th Drive Suite 400 Alachua, FL 32615 SUBJECT: Confidentiality request regarding application for certifications for FCC ID: 2BA2X-RR9SANA IC: 30291-RR9SANA To Whom It May Concern, Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Block Diagrams Operational Description Schematics The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Regards, Jan Jelen

FCCFCC ID: 2BA2X-RR9SANA, IC: 30291-RR9SANA External photos Model: RR9SANA Figure 1 - Front view Figure 2 - Rear view Figure 3 - Side view Figure 4 - Side view FCC Figure 5 - Top view Figure 6 - Bottom view

REX 9 SlimAssist Top view: Bottom view + FCCID sticker placement: Side view: Side view:

FCC ID: 2BA2X-RR9SANA, IC: 30291-RR9SANAFCC Internal Photos Model: RR9SANA Figure 1 - Front view Figure 2 - Bottom view

Test Report# TR_9073-23_FCC 1.1310/ MPE_ Revision: 2 An IIA Company Te s t Report - FCC Par t 1.1310/ MPE Applicant: Solid Tech LLC Approved for Release By: Signature: Name & Title: Bruno Clavier, General Manager Date of Signature 10/11/2023 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). This test report relates only to the items tested as identified and is not valid for any subsequent changes or modifications made to the equipment under test. Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 2 of 10 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). Table of Contents 1. APPLICANT INFORMATION ........................................................................................................................................................................... 3 2. LOCATION OF TESTING ................................................................................................................................................................................. 3 2.1 TEST LABORATORY .................................................................................................................................................................................................... 3 2.2 TESTING WAS PERFORMED, REVIEWED BY ................................................................................................................................................................4 3. TEST SAMPLE(S) (EUT/DUT) ........................................................................................................................................................................... 5 3.1 DESCRIPTION OF THE EUT ........................................................................................................................................................................................ 5 4. TEST METHODS & APPLICABLE REGULATORY LIMITS ............................................................................................................................ 6 4.1 TEST METHODS/STANDARDS/GUIDANCE: ............................................................................................................................................................... 6 4.1.1 FCC Limits for Maximum Permissible Exposure (MPE) .................................................................................................................. 6 4.2 EQUATIONS................................................................................................................................................................................................................ 7 5. RF EXPOSURE RESULTS .................................................................................................................................................................................. 8 6. HISTORY OF TEST REPORT CHANGES ........................................................................................................................................................ 9 Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 3 of 10 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). 1. Applicant Information Applicant: Solid Tech LLC Address: 478 Fillmore Ave NE Palm Bay, Florida, 32907, United States 2. Location of Testing 2.1 Test Laboratory Timco Engineering Inc. is a subsidiary of Industrial Inspection & Analysis, Inc. (“IIA”). Testing was performed at Timco’s permanent laboratory located at 849 NW State Road 45, Newberry, Florida 32669 FCC test firm # 578780 FCC Designation # US1070 FCC site registration is under A2LA certificate # 0955.01 ISED Canada test site registration # 2056A EU Notified Body # 1177 For all designations see A2LA scope # 0955.01 Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 4 of 10 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). 2.2 Testing was performed, reviewed by Dates of Testing: 7/27/2023 – 8/3/2023 Signature: Name & Title: Tim Royer, EMC Engineer Date of Signature 10/11/2023 Signature: Name & Title: Kristoffer Costa, EMC Technician Date of Signature 10/11/2023 Signature: Name & Title: Terri Allen, Project Specialist Date of Signature 10/11/2023 Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 5 of 10 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). 3. Test Sample(s) (EUT/DUT) The test sample was received: 7/19/2023 3.1 Description of the EUT A description as well as unambiguous identification of the EUT(s) tested. Where more than one sample is required for technical reasons (such as the use of connected units for the purpose of conducted output power testing where the product units will have integral antennas), each specific test shall identify which unit was tested. Identification FCC ID: 2BA2X-RR9SANA Brief Description Radio Control Transceiver Model(s) # RR9SANA, RR9SNA, RR7SANA, RR7SNA Firmware version N/A Software version N/A Serial Number N/A Technical Characteristics Frequency Range 2400 MHz-2483.5 MHz RF O/P Power (Max.) 18.42 dBm/ 0.069 W Modulation O-QPSK Bandwidth & Emission Class G7D Number of Channels N/A Duty Cycle 20% Antenna Connector N/A Voltage Rating (AC or Batt.) 5 VDC Antenna Characteristics Antenna Frequency Range Mode / BW Antenna Gain 1 n/a n/a 2.1 dBi - Note: Information such as antenna gain, firmware/software numbers are provided by manufacturer and cannot be vali…

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Test Report# TR_9073-23_ Antenna Gain Report Revision: 1 An IIA Company Antenna Gain Te s t Report - Applicant: Solid Tech LLC Approved for Release By: Signature: Name & Title: Bruno Clavier, General Manager Date of Signature 10/11/2023 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). This test report relates only to the items tested as identified and is not valid for any subsequent changes or modifications made to the equipment under test. Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 2 of 11 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). Table of Contents 1. CUSTOMER INFORMATION ........................................................................................................................................................................... 3 2. LOCATION OF TESTING ................................................................................................................................................................................. 3 TEST LABORATORY ................................................................................................................................................................................................................. 3 TESTING WAS PERFORMED, REVIEWED BY .............................................................................................................................................................................4 3. TEST SAMPLE(S) (EUT/DUT) ........................................................................................................................................................................... 5 DESCRIPTION OF THE EUT ..................................................................................................................................................................................................... 5 4. TEST METHODS & APPLICABLE REGULATORY LIMITS ............................................................................................................................ 6 5. APPLIED LIMITS AND REGULATORY LIMITS: ............................................................................................................................................. 6 6. FCC NOTICE: ..................................................................................................................................................................................................... 6 7. CALCULATION PROCEDURE ......................................................................................................................................................................... 7 8. EQUATIONS ...................................................................................................................................................................................................... 7 9. LIST OF TEST EQUIPMENT ............................................................................................................................................................................. 8 10. RF EXPOSURE RESULTS .................................................................................................................................................................................. 9 11. ANNEX-B – TEST SETUP PHOTOGRAPHS ................................................................................................................................................ 10 12. HISTORY OF TEST REPORT CHANGES ...................................................................................................................................................... 10 Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 3 of 11 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). 1. Customer Information Applicant: Solid Tech LLC Address: 478 Fillmore Ave NE Palm Bay, Florida, 32907, United States 2. Location of Testing Test Laboratory Timco Engineering Inc. is a subsidiary of Industrial Inspection & Analysis, Inc. (“IIA”). Testing was performed at Timco’s permanent laboratory located at 849 NW State Road 45, Newberry, Florida 32669 FCC test firm # 578780 FCC Designation # US1070 FCC site registration is under A2LA certificate # 0955.01 ISED Canada test site registration # 2056A EU Notified Body # 1177 For all designations see A2LA scope # 0955.01 Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 4 of 11 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). Testing was performed, reviewed by Dates of Testing: 7/27/2023 – 8/3/2023 Signature: Name & Title: Tim Royer, EMC Engineer Date of Signature 10/11/2023 Signature: Name & Title: Terri Allen, Project Specialist Date of Signature 10/11/2023 Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 5 of 11 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). 3. Test Sample(s) (EUT/DUT) The test sample was received: 7/19/2023 Description of the EUT A description as well as unambiguous identification of the EUT(s) tested. Where more than one sample is required for technical reasons (such as the use of connected units for the purpose of conducted output power testing where the product units will have integral antennas), each specific test shall identify which unit was tested. Identification FCC ID: 2BA2X-RR9SANA Brief Description Radio Control Transceiver Model(s) # RR9SANA, RR9SNA, R…

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ANNEX B – Test Setup Photograph Exhibit Solid Tech LLC FCC ID: 2BA2X-RR9SANA Conducted Test Setup Radiated Testing, Table Setup Radiated Testing, Below 1 GHz Radiated Testing, Below 1 GHz #2 Radiated Testing, Above 1 GHz