FCC ID: 2AUXFMP280B MP280B

MP280B Users Guide Nov. 2019 Rev 1.0 MP280B Users Guide Contents 1. General Information ............................................................................................................................ 5 1.1 Main Features ...................................................................................................................................... 5 2. User Interface ...................................................................................................................................... 6 2.1 Antenna interface ................................................................................................................................ 6 3. Transparent protocol ........................................................................................................................... 7 4. AT Command ....................................................................................................................................... 8 4.1 Connection interval setting .................................................................................................................. 8 4.2 Get the module name .......................................................................................................................... 8 4.3 Module rename.................................................................................................................................... 8 4.4 Get baud rate ....................................................................................................................................... 8 4.5 Baud rate setting ................................................................................................................................. 9 4.6 Get the physical address MAC ............................................................................................................. 9 4.7 Set MAC address .................................................................................................................................. 9 4.8 Module reset ........................................................................................................................................ 9 4.9 Broadcast cycle setting ........................................................................................................................ 9 4.10 Add custom broadcast content ........................................................................................................ 10 4.11 Define product identification code ................................................................................................... 10 4.12 Transmit power setting .................................................................................................................... 10 4.13 RSSI signal strength output .............................................................................................................. 11 4.14 RTC settings and acquisition ............................................................................................................ 11 5. Broadcast data setting ....................................................................................................................... 11 5.1 Default broadcast data ...................................................................................................................... 12 5.2 Custom broadcast data ...................................................................................................................... 12 6. System reset and recovery ................................................................................................................. 13 7 Technical Support and mPower Contacts ............................................................................................ 14 1 MP280B Users Guide WARNINGS 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. Caution: Changes or modifications to this unit 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. Information for the OEM Integrators This device is intended for OEM integrators only. Please see the full grant of equipment document for restrictions. Label Information to the End User by the OEM Integrators If this certified module is installed inside the host device, then the outside of the host must be labeled with Contains FCC ID: 2AUXFMP280B. 2 MP280B Users Guide The requirement for KDB 996369 D03:

1 List of applicable FCC rules FCC Part 15. 247. 2 Summarize the specific operational use conditions None 3 Limited module procedures The module is a single module, so this requirement is not applicable to the product. 4 Trace antenna designs The module uses the permanent PCB antenna, so this requirement is not applicable to the product. 5 RF exposure considerations After evaluation, the SAR requirement is deemed to be satisfied without test. Please check the report for detail information. 6 Antennas PCB antenna, 3dBi. 7 Label and compliance information If this certified module is installed inside the host device, then the outside of the host must be labeled with Contains FCC ID: 2AUXFMP280B. 8 Information on test modes and additional testing requirements The host manufacturer can use the software of SmartRF Studio 7 to make the Bluetooth transmit continuously. 9 Additional testing, Part 15 Subpart B disclaimer The module only complies with the FCC Part 15.247. If the module is installed in the host device, the host manufacturer is responsible for the compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. For example, if the host manufacturer markets their product as being Part 15 Subpart B compliant (when it also contains unintentional-radiator digital circuity), then the host manufacturer shall provide a notice stating that the final 3 MP280B Users Guide 1. General Information The MP280B module works in transparent transmission mode. After the module is powered on, it will be broadcast automatically. The mobile phone that has opened a specific APP will scan and dock it. After successful, it can be monitored by the BLE protocol. In the transparent transmission mode, the user CPU can perform two-way communication through the module's universal serial port and mobile device, and the user can also manage and control certain communication parameters through a specific serial port AT command. The specific meaning of user data is defined by the upper application. The mobile device can write to the module through the APP, and the written data will be sent to the user's CPU through the serial port. After the module receives the data packet from the user CPU serial port, it will automatically forward it to the mobile device. For development in this mode, the user must be responsible for the code design of the main CPU and the smart mobile device side APP code design. 1.1 Main Features Easy to use, without any Bluetooth protocol stack application experience;

The user interface uses a universal serial port design, full-duplex two-way communication, the minimum baud rate supports 4800bps;

The default 30ms connection interval, fast connection, enhance the compatibility stability of Android phones;

Support the AT command software reset module to obtain the MAC address;

Support AT command to adjust the Bluetooth connection interval and control different forwarding rates (dynamic power consumption adjustment);

The serial port packet length, can be any length below 200byte (including 200) (large package automatic distribution);

High-speed transparent transmission, up to 4K / S, stable operation in 2.5K / S ~

2.8K / S;

Support the mobile device APP to modify the module name, save power, save the serial port baud rate, product identification code, custom broadcast content, broadcast cycle, and save power;

5 MP280B Users Guide 2. User Interface The MP280B module uses a 6-pin header for the user interface, or it can be used for patching. pin function description 1 2 3 4 5 6 3V3 GND RXD TXD IO0 IO1 Power Ground Serial port reception Serial port transmission Reset pin,active low Status pin 2.1 Antenna interface MP280B module uses IPEX carrier, please use IPEX antenna to connect module. Commented [y1]:

6 MP280B Users Guide 3. Transparent protocol The transparent transmission mode of the module means that the universal serial port is connected to the user CPU to establish two-way communication between the user CPU and the mobile device. The module will have different data throughput capabilities for different serial port baud rates and BLE connection intervals, as well as different packet delivery intervals. In order to coordinate the use of low-speed CPU, the default baud rate is 9600bps. In applications with large data volume transmission or high real-time requirements, it is recommended to set the high-speed serial port baud rate to 115200bps. When the module BLE connection interval is 20 ms and the serial port baud rate is 115200 bps, the module has the highest theoretical forwarding capability (4K/S). time. The module will automatically send packets according to the packet size. The maximum payload of each wireless packet is 20 bytes. Packets sent by the mobile device to the module must be sent by themselves (1-20 bytes/packet). After receiving the wireless packet, the module will forward it to the serial port receiving end of the host. The module can transmit up to 200 bytes of data packets from the serial port at one 7 MP280B Users Guide Enter the following string into the serial port RX to set the BLE connection interval:

The string starting with "TTM" will be parsed and executed as an AT command, and 4. AT Command will be returned from the serial port as it is, and then the output execution result will be added, "TTM:OK\r\n\0" or "TTM:ERP\r\n \0" and so on. Serial data packets that do not begin with "TTM" will be considered transparent data. 4.1 Connection interval setting

"TTM: CIT-Xms"

Where X="20", "30", "50", "100", "200", "300", "400", "500", "1000", "1500",

"2000", unit ms ( The above data formats are all ASCII code). For example, TTM:

CIT-30ms means that the connection interval is set to 30ms. After executing this command, the following confirmation will be obtained from the serial port TX:

"TTM:TIMEOUT\r\n\0" indicates that the change timed out and the modification failed.

"TTM:OK\r\n\0" indicates that the change was successful and is running at the new connection interval;

The success of this connection interval setting depends on the mobile device's limit on the connection interval. Different IOS versions have different maximum connection intervals. In addition, due to the internal mechanism of the BLE protocol, this instruction will have different execution efficiency under different connection intervals. Note: This connection interval is not saved when it is powered off, and the change command is valid only after the connection is successful. 4.2 Get the module name

"TTM:NAM-?"

Will receive from TX:

" TTM:NAM-xxxxxxxxxxxx\r\n\0"

4.3 Module rename the length is within 16 bytes, and the ASCII code format.

" TTM:REN-" + Name command format is incorrect, it will return:

"TTM:ERP\r\n\0"

4.4 Get baud rate For example, "TTM: REN-ABC123" means to rename the module to "ABC123". If the modification is successful, it will receive "TTM:OK\r\n\0" from TX. If the Input the following string to the serial port RX, where "Name" is the module name, Enter the following string into the serial port RX to set the baud rate:

The "xxxxxxxxxxxx" after the string is the Bluetooth module name. Enter the following string into the serial port RX:

This name is saved after power down. 8 MP280B Users Guide Enter the following string into the serial port RX:

Enter the following string into the serial port RX to set the baud rate:

"TTM: BPS-?"

Will receive from TX:

"TTM: BPS-X"

Where X="4800", "9600", "19200", "38400", "57600", "115200", (the above data formats are all ASCII). 4.5 Baud rate setting

"TTM: BPS-X"

Where X="4800", "9600", "19200", "38400", "57600", "115200", (the above data formats are all ASCII). For example, "TTM: BPS-115200" means that the set baud rate is 115200 bps. After executing this command, the following confirmation will be obtained from the serial port TX:

"TTM:BPS SET AFTER 2S...", if the set value is not in the option, or the command format is incorrect, then return:

"TTM:ERP\r\n\0"

4.6 Get the physical address MAC

"TTM:MAC-?"

Will receive from TX:

" TTM:MAC-xxxxxxxxxxxx\r\n\0"

4.7 Set MAC address

"TTM:MAC-xxxxxxxxxxxx", where "xxxxxxxxxxxx" is the 6-byte module Bluetooth address to be set. format is incorrect, it will return:

"TTM:ERP\r\n\0"

address. 4.8 Module reset

"TTM: RST-SYSTEMRESET"

4.9 Broadcast cycle setting After the module is restarted, the module will work according to the new MAC It will receive "TTM:OK\r\n\0" confirmation from the TX pin. If the command The "xxxxxxxxxxxx" after the string is the 6-byte module Bluetooth address. Enter the following string into the serial port RX:

Enter the following string into the serial port RX:

This will force the module to soft reset once. 9 MP280B Users Guide After the module is restarted, the module will broadcast according to the new This command takes effect immediately after it is set up, and you can use this Data is the data for preparing additional broadcasts. The length is in the range of Enter the following string into the serial port RX to set the module's broadcast period, Enter the following string into the serial port RX to customize the broadcast content. T = X * 100ms:

"TTM: ADP-(X)"

Where X = "2", "5", "10", "15", "20", "25", "30", "40", "50" (all data formats are ASCII). For example, "TTM: ADP-(2)" indicates that the broadcast period is set to 200 ms. If the setting is successful, it will receive "TTM:OK\r\n\0" confirmation from the TX pin. If the command format is incorrect, it will return:

"TTM:ERP\r\n\0"

broadcast cycle. 4.10 Add custom broadcast content

"TTM:ADD-"+ Data 0~16 and is input in ASCII format. For example, if you input

"TTM:ADD-Advertisement!" to the serial port RX, you will receive "TTM:OK\r\n\0"

from the TX pin. If the command format is incorrect, it will return:

"TTM:ERP\r\n\0"

function to broadcast some custom content. If set to 16 all 0 data, the custom broadcast data is considered not to be used, but the default broadcast content is used instead. 4.11 Define product identification code Enter the following string into the serial port RX to customize the product identifier;

"TTM:PID-"+ Data Data is a two-byte product identification code, ranging from 0x0000 to 0xFFFF (L = 2), and each character is input to the serial port RX in ASCII format. For example, if you input "TTM:PID-RS" to the serial port RX (the hexadecimal number corresponding to RS is 0x5253), you will receive "TTM:OK\r\n\0" from the TX pin. If the command format is incorrect, then Will return:

"TTM:ERP\r\n\0"

This ID will appear on the broadcast to filter the device or determine if it is a specific product. 4.12 Transmit power setting power in dBm.

"TTM:TPL-(X)"

Where X="+4", "0", "-6", "-23" (the above data formats are all ASCII codes). For example, "TTM: TPL-(+4)" means that the set transmission power is +4 dBm. After that, it will receive the "TTM:OK\r\n\0" confirmation from the TX pin, and the module will Input the following string to the serial port RX and set the corresponding transmit 10 MP280B Users Guide Input the following string to the serial port RX to enable the RSSI signal strength If the RSSI output function is turned on, the RSSI signal strength string is printed After the setting is successful, the TX pin receives "TTM:OK\r\n\0" to confirm. If Enter the following string into the serial port RX to turn off the RSSI signal strength immediately communicate with the new transmit power. If the command format is incorrect, it will return:

"TTM:ERP\r\n\0"

Note: This parameter is not saved when it is powered down. 4.13 RSSI signal strength output output with an interval of 1 second.

"TTM: RSI-ON"

output.

"TTM: RSI-OFF"

the command format is incorrect, it will return:

"TTM:ERP\r\n\0"

once every 1 second.

"TTM: RSI-xx\r\n\0" (for example, if the RSSI is -63dBm, the printed character is

"TTM:RSI-63\r\n\0") Note: This parameter is not saved when power is off, and the RSSI output is automatically turned off after the connection is disconnected. 4.14 RTC settings and acquisition digits for the year, and 2 digits for each month, day, hour, minute, and second.

"TTM:RTC-xxxxxxxxxxxxxx"

"TTM:RTC-20170102030405"

the command format is incorrect, it will return:

"TTM:ERP\r\n\0"

"TTM:RTC-?\r\n\0"

"TTM:RTC-xxxxxxxxxxxxxx\r\n\0", and the format is the same as the setting RTC format;

Note: This parameter is not saved when power is off, and the RTC needs to be reset after the module is powered up again. After the setting is successful, the TX pin receives "TTM:OK\r\n\0" to confirm. If Enter the following string into the serial port RX to get the current system time. For example, if you set the character to be entered at 3:4:5 on January 2, 2017, If the instruction format is incorrect, it will return: "TTM:ERP\r\n\0"

After the setting is successful, the TX pin receives Enter the following string into the serial port RX to set the RTC time. The format is 4 5. Broadcast data setting 11 MP280B Users Guide 0x00, 0x00, //custom device type code, default is 00 00, can be set by AT 0x00, 0x00, 0x00, 0x00, //four-way PWM current output status (default), or the After the module is powered on, a default interval of 200ms will be broadcast. The 0x00, //module power supply percentage, 2.0V = 0%;

0x00, 0x00, //IO configuration, IO output input status, this byte changes in real 5.1 Default broadcast data default is 9 bytes of data:

command;

acquired value of two ADCs;

time with the current state of IO;

5.2 Custom broadcast data is 16 bytes, the specific format is

command;

Note: The total length is 2+n bytes, and the custom broadcast data can be modified by the AT command and saved after power down. If the custom broadcast data is all 0 (16 bytes), then the custom broadcast is considered not to be used, but the system default broadcast content is used. To avoid excessive power consumption caused by excessive broadcast data, you can also set the custom broadcast data to any value of 1 byte. If you use the AT command to customize the broadcast content, the maximum length 0x00, 0x00, //custom device type code, default is 00 00, can be set by AT

//custom broadcast data, n <= 16 ;

Data [n], 12 MP280B Users Guide There are three ways to reset a module, and a third method can restore system 1. Reset the module using the AT command;

2. Use the service channel interface to remotely reset the module with APP. 3. Use the hardware RESTORE pin (see the pin definition table). After powering up 6. System reset and recovery parameters:

for 30 seconds, the system parameters of the module will be restored to the user level parameters (shallow recovery, reset immediately after releasing this pin), if the system continues to pull down for 20 seconds, all system parameters of the module will be restored to the factory settings (depth recovery) and reset immediately. This pin has an internal pull-up and will not enter this mode by default. 13 MP280B Users Guide 7 Technical Support and mPower Contacts mPower Electronics Inc. 3046 Scott Blvd. Santa Clara, CA 95054 Phone: (408)320-1266 Fax: (669)342-7077 info@mpowerinc.com www.mpowerinc.com 14

DESCRIPTION FCCID Label, MP280B PAGE 1 OF 1 mPower Electronics DRAWING NO. DRAWN BY CHECKED BY REV DATE DATE 1 11/19/2019 11/19/2019 MP280B FCCID: 2AUXFMP280B PN: M012-1014-000 QR SN:

CODE 123456789012 mPower Electronics

(Shanghai) Co., Ltd. m m 3 1 15 mm

THIS MUST BE SIGNED BY THE APPLICANT/AGENT AND SHOULD BE PLACED ON APPROPRIATE LETTERHEAD Request for Modular/Limited Modular Approval Date: January 19, 2020 Subject: Manufacturers Declaration for - Modular Approval Confidentiality Request for: ______FCC ID: 2AUXFMP280B_____

- Limited Modular Approval - Limited Split Modular Approval

- Split Modular Approval 8 Basic Requirements FCC Part 15.212(a)(1) For Items Marked NO(*), the Limited Module Description Must be Filled Out on the Following Pages Modular Approval Requirement Requirement Met 1. The modular transmitter must have its own RF shielding. This is intended to ensure that the module does not have to rely upon the shielding provided by the device into which it is installed in order for all modular transmitter emissions to comply with FCC limits. It is also intended to prevent coupling between the RF circuitry of the module and any wires or circuits in the device into which the module is installed. Such coupling may result in non-compliant operation. The physical crystal and tuning capacitors may be located external to the shielded radio elements. 15.212(a)(1)(i) Details: The module contains a metal shield which covers all RF components and circuitry. The shield is located on the top of the board

- YES - NO(*) 2. The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with FCC requirements under conditions of excessive data rates or over-modulation. 15.212(a)(1)(ii) Details: Data to the modulation circuit is buffered as described in the operational description provided with the application

- YES - NO(*) 3. The modular transmitter must have its own power supply regulation on the module. This is intended to ensure that the module will comply with FCC requirements regardless of the design of the power supplying circuitry in the device into which the module is installed. 15.212(a)(1)(iii) Details: The module contains its own power supply regulation. Please refer to schematic filed with this application

- YES - NO(*) 4. The modular transmitter must comply with the antenna and transmission system requirements of 15.203, 15.204(b), 15.204(c), 15.212(a), and 2.929(b). The antenna must either be permanently attached or employ a unique antenna coupler (at all connections between the module and the antenna, including the cable). The professional installation provision of 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph 15.212(b). 15.212(a)(1)(iv) Details: EUT uses permanently attached antenna to the intentional radiator 5. The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing. This is intended to demonstrate that the module is capable of complying with Part 15 emission limits regardless of the device into which it is eventually installed. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in Section 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see Section 15.27(a)). The length of these lines shall be length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall be unmodified or commercially available (see Section 15.31(i)). 15.212(a)(1)(v) Details: The module was tested stand-alone as shown in test setup photographs filed with this application

- YES - NO(*)

- YES - NO(*) 6. The modular transmitter must be labeled with its own FCC ID number, or use an electron display Modular Approval Requirement Requirement Met

- YES - NO(*)

(see KDB Publication 784748). 053019-02a THIS MUST BE SIGNED BY THE APPLICANT/AGENT AND SHOULD BE PLACED ON APPROPRIATE LETTERHEAD If using a permanently affixed label with its own FCC ID number, if the FCC ID 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: XYZMODEL1 or Contains FCC ID: XYZMODEL1. Any similar wording that expresses the same meaning may be used. The Grantee may either provide such a label, an example of which must be included in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be included in the application for equipment authorization. If the modular transmitter uses an electronic display of the FCC identification number, the information must be readily accessible and visible on the modular transmitter or on the device in which it is installed. If the module is installed inside another device, then the outside of the device into which the module is installed must display a label referring to the enclosed module. This exterior label can use wording such as the following: Contains FCC certified transmitter module(s). Any similar wording that expresses the same meaning may be used. The user manual must include instructions on how to access the electronic display. A copy of these instructions must be included in the application for equipment authorization. 15.212(a)(1)(vi) Details: There is a label on the module as shown in the labeling exhibit filed with this application. 7. The modular transmitter must comply with all specific rule or operating requirements applicable to the transmitter, including all the conditions provided in the integration instructions by the grantee. A copy of these instructions must be included in the application for equipment authorization. For example, there are very strict operational and timing requirements that must be met before a transmitter is authorized for operation under Section 15.231. For instance, data transmission is prohibited, except for operation under Section 15.231(e), in which case there are separate field strength level and timing requirements. Compliance with these requirements must be assured. 15.212(a)(1)(vii) Details: The module complies with FCC Part 15C requirements. Instructions to the OEM installer are provided in the installation manual filed with this application.

- YES - NO(*) 8. The modular transmitter must comply with any applicable RF exposure requirements. For example, FCC Rules in Sections 2.1091, 2.1093 and specific Sections of Part 15, including 15.319(i), 15.407(f), 15.253(f) and 15.255(g), require that Unlicensed PCS, UNII and millimeter wave devices perform routine environmental evaluation for RF Exposure to demonstrate compliance. In addition, spread spectrum transmitters operating under Section 15.247 are required to address RF Exposure compliance in accordance with Section 15.247(b)(4). Modular transmitters approved under other Sections of Part 15, when necessary, may also need to address certain RF Exposure concerns, typically by providing specific installation and operating instructions for users, installers and other interested parties to ensure compliance. 15.212(a)(1)(viii) Details: The module meets Portable exclusion levels as shown in the RF exposure information filed with this application.

- YES - NO(*) 053019-02a THIS MUST BE SIGNED BY THE APPLICANT/AGENT AND SHOULD BE PLACED ON APPROPRIATE LETTERHEAD Limited Module Description When Applicable

* If a module does NOT meet one or more of the above 8 requirements, the applicant may request Limited Modular Approval (LMA). This Limited Modular Approval (LMA) is applied with the understanding that the applicant will demonstrate and will retain control over the final installation of the device, such that compliance of the end product is always assured. The operating condition(s) for the LMA; the module is only approved for use when installed in devices produced by grantee. A description regarding how control of the end product, into which the module will be installed, will be maintained by the applicant/manufacturer, such that full compliance of the end product is always ensured should be provided here. Details: <example - N/A>

Software Considerations KDB 594280 / KDB 442812 (One of the following 2 items must be applied) Requirement Requirement Met 1. For non-Software Defined Radio transmitter modules where software is used to ensure compliance of the device, technical description must be provided about how such control is implemented to ensure prevention of third-party modification; see KDB Publication 594280. Details: <example The firmware of the device can not be modified or adjusted by the end user as described in a separate cover letter filed with this application. >

- Provided in Separate Cover Letter

- N/A 2. For Software Defined Radio (SDR) devices, transmitter module applications must provide a software security description; see KDB Publication 442812. Details: <example N/A>

Split Modular Requirements Requirement 1. For split modular transmitters, specific descriptions for secure communications between front-end and control sections, including authentication and restrictions on third-party modifications; also, instructions to third-party integrators on how control is maintained. Details: <example N/A >

- Provided in Separate Cover Letter

- N/A Provided in Manual

- Provided in Separate Cover Letter

- N/A 053019-02a

THIS MUST BE SIGNED BY THE APPLICANT/AGENT AND SHOULD BE PLACED ON APPROPRIATE LETTERHEAD Authority to Act as Agent Date: November 12, 2019 American Certification Body, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 To Whom It May Concern:

Intertek Testing Services Shanghai is authorized to act on our behalf, until otherwise notified, for applications to American Certification Body, Inc. (ACB). We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you, Agency Agreement Expiration Date: November 12, 2020 By: Hong Sun

(Signature) (Print name) Title: President On behalf of: mPower Electronics, Inc.

(Company Name) Telephone: 1.866.676.9377

' . Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead.

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