Q4EUSHR-781921-5B4G 5-Band Repeater Model Name-USHR-781921-5B

Five - band Signal Booster For In - building Model : USHR-781921-5B User Guide & Installation Manual Five - band Signal Booster For In - building Contents 1. Introduction 2. Kit Information 3. Installation 4. Troubleshooting 5. Specifications 6. Certificates 7. Contact Info. - 2 - Model: USHR-781921-5B Leading Edge Technology Signal Booster USHR-781921-5B signal booster designed to boosts cellular signal for area prone to weak coverage area. Its coverage is on 800 MHz, 1900MHz, AWS and 4G Verizon and AT&T 700 MHz as well as 4G Sprint. To allow installer to optimize signal and gain control each frequency band, it has control knobs. Five - band Signal Booster For In - building 1.INSTRODUCTION 1.1. Precautions 1.1.1 Do not drop the device - It may damage the product and its function 1.1.2 Do not place near magnetic material - It may cause possible malfunction 1.1.3 Product is recommended to be used with included AC/DC adapter - It may cause possible malfunction 1.1.4 Install the product where it is recommended - It may not properly operate if it is not recommended location 1.1.5 Do not disassemble/ repair the product - Warranty may void once you disassemble the product. 1.1.6 Turn off the device immediately if a smoke or any strange odor is detected from the product. 1.1.7 Use included bolts to install on the wall. Make sure it is safely installed before operation 1.1.8 Outside Antenna must be installed no longer than 32 feet(10 meter) above ground 1.1.9 This signal boosters are designed to be operated in a designated area in a building. Reference : Direction/Information for the proper operation Cautions : Information for users to avoid malfunctions Warning : Instruction for users to avoid unexpected hazard - 3 - This is a CONSUMER device. BEFORE USE, you MUST REGISTER THIS DEVICE with your wireless provider and have your provider’s consent. Most wireless providers consent to the use of signal boosters. Some providers may not consent to the use of this device on their network. If you are unsure, contact your provider. You MUST operate this device with approved antennas and cables as specified by the manufacturer. Antennas MUST be installed at least 20cm (8 inches) from any person. You MUST cease operating this device immediately if requested by the FCC or a licensed wireless service provider. WARNING. E911 location information may not be provided or may be inaccurate for calls served by using this device. This is a CONSUMER device. Five - band Signal Booster For In - building 1.2 . Summary & Features 1.2.1. Summary This signal booster can be installed on residential area, office, warehouse etc. . Following is advantages of using Five-band signal booster. This Signal booster solves coverage problems and improves connection quality in the building. In addition, this covers LTE of Band 12, Band 13, Cellular Band 5, AWS Band 4 and PCS Band 25 for mobile phone users. (Please see page 20 for operating frequency in details) 1.2.2. Features I.Decrease dropped call rate II.Increase signal strength III.Improve Data / Voice quality IV.Prolong hand phone battery life V.Improve data Communication Rate I.Wider Coverage area - Band 12 Gain DL 60dB / UL 60dB - Band 13 Gain DL 60dB / UL 61dB - Band 5 Gain DL 62dB / UL 61dB - Band 4 Gain DL 70dB / UL 68dB - Band 25 Gain DL 69dB / UL 68dB II.ALC(Automatic output Level Control) - Stabilize operation in any radio environment III.Fulfill revised FCC rule at +23dBm output power - Provide high data communication rate IV. Easy gain control by dip switch located on the front side of product V. Support five band - Enable to connect service from multiple carrier simultaneously - Band 12/13/5/4/25 service simultaneously - Band 12/13/5/4/25 adopt independent operation algorithm - 4 - Five - band Signal Booster For In - building VI.Check status of booster by LED indicator VII.Allow to manage and control product by GUI(Graphic User Interface) - Please ask professional installer about GUI Program VIII. Enable to stay connected in homes and offices - Please ask professional installer for installation on homes & offices IX.Device status with LED light(see page 17) X.Automatic isolation detection and gain setting - If the device is shut down, turn on again after turning off the AC power. XI.Uplink sleep mode - If no signal has been detected for 5 minutes, Uplink path will be shut down. XII.UL/DL gain interlocking mode - 5 - Five - band Signal Booster For In - building 1.3 Functions I.Automatic Shut Down Mode Built-In Automatic Self-Monitoring Features for Anti-Oscillation: Automatic shut down mode operates when oscillation in the uplink and downlinks bands are detected and terminates potential harmful interference to wireless networks. • 1 minute non-operative mode on the first initial oscillation detection. • Default algorithm re-set mode as Auto S/D Mode is cleared • Complete shut off mode on the 5th repetition of auto shutdown mode status. All path are independently monitored and operated. II.Intermodulation Gain & Power Limit Control Uplink & downlink path formulates consistent link balance to regulate its input and output gain & power limits. Max UL gain < - 34dB – RSSI + MSCL (“ FCC 13-21,(i), 78p”) RSSI : Downlink composite received signal power at the donor port ( calculation value : DL Output – DL Gain ) MSCL : Mobile station and repeater service port minimum coupling Loss ( setting value ) All path gain limits are independently controlled III.ALC (Automatic Level Control) & AGC ALC is implemented to keep regular output power level for abnormal high input signal level. The regular output power makes possible high quality of phone call and data transfer. AGC is designed to automatically control gain. •Optimal Window Size (frequency range) sets the optimal level to increase faster response to modulated signal level changes on the basis of gain power control via signal input/output differential calculation all path gain limits are independently controlled IV.UL Path Aut…

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Date: January 23, 2015 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 c.c. UL Verification Services Inc. (formerly UL CCS) Certification Division 47173 Benicia Street Fremont, CA 94538, USA To whom it may concern: I, the undersigned, hereby authorize Mr. Hyun soo Lee/ RAPA and Mr. Kunil Lee/ One Pass Co, to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Mr. Hyun soo Lee / RAPA and Mr. Kunil Lee/ One Pass Co on our behalf shall have the same effect as acts of our own. I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing UL Korea as our agent, we still recognize that we are responsible to: a) comply with the relevant provisions of the certification program; b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; f) use certification only to indicate the products are certified as being in conformity with specified standards; g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner; h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; i) keep a record of all complaints made known to the us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested; j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours, Kyung Hee Koo C.E.O. of OPISYS INC REMARK: 1. This authorization letter will be sent along with your application when filing with the Certification Division. 2. Please follow the format and type it on company letterhead and send original to us. 3. Authorized signature must be in agreement with grantee code contact in FCC database.

OPISYS INC 511 S. HARBOR BLVD UNIT P LA HABRA CA 90631 USA E-MAIL : [email protected] Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Request for Confidentiality FCC ID: Q4EUSHR-781921-5B To Whom It May Concern: Pursuant to the provisions of Sections 0.457 and 0.459 of the Commission’s rules (47 CFR §§ 0.457, 0.459), we are requesting the Commission to withhold the following attachments as confidential document from public disclosure indefinitely. 1. Block Diagram 2. Schematic Diagram 3. Operational Description 4. Layout 5. Tune-up Procedure Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely Yours, Kyung Hee Koo C.E.O. of OPISYS INC.

OPISYS INC 511 S. HARBOR BLVD UNIT P LA HABRA CA 90631 USA E-MAIL : [email protected] Subject: Attestation for OPISYS Signal Booster FCC ID: Q4EUSHR-781921-5B Each Signal Booster certificated under FCC ID Q4EUSHR-781921-5B is manufactured and individually tested to ensure FCC compliance: (1) Licensee consent is not required for FCC certification equipment authorization purposes, but licensee consent does remain applicable per 20.21 provisions for both provider specific and wideband boosters. (2) NPS and other compliance/safeguard features have been implemented. (3) NPS and other compliance/safeguard features are defaulted to be “On” (in operation). (4) NPS and other compliance/safeguard features cannot be field reconfigured, disabled, or removed. (5) This consumer booster is not user programmable, does not need fine tuning or adjustment, and does not require professional installation. However, in case booster indicator lights show the need, the gain may be adjusted as described in the User Manual. Such adjustments are “fail safe”, i.e., they will not enable the booster to be non‐compliant to NPS or other compliance/safeguard requirements. (6) Future software upgrade will not cause non‐compliance. Sincerely Yours, Kyung Hee Koo C.E.O. of OPISYS INC

Date Dec 4, 2014 Sheet No. 1/8 Version No. Written by P. J. Park Checked by Confirmed by Authorized by Subject : USHR-781921-5B ACE technologies MSCL Calculation Model Name: USHR-781921-5B ACE TECHNOLOGIES Date Dec 4, 2014 Sheet No. 2/8 Version No. Written by P. J. Park Checked by Confirmed by Authorized by Subject : USHR-781921-5B ACE technologies Revised date Description Remarks 1st Version 1.0 Date Dec 4, 2014 Sheet No. 3/8 Version No. Written by P. J. Park Checked by Confirmed by Authorized by Subject : USHR-781921-5B ACE technologies Booster Uplink Gain limit 1. UL max gain max UL gain < - 34dB – RSSI + MSCL [“FCC 20.21 (i) technical requirement,( C) Booster gain limit”p78] 2. RSSI value RSSI = DL output power – DL gain 3. MSCL value Distance between service antenna and mobile phone was assumed 1 meter. CCIR model was applied to coupling loss calculation. Lfs = 32.45+20Log10 (d km)+20Log10 (fMHz) [free space path loss model : CCIR ] Band Min Frequency(MHz) Lfs Remark Band 12 698MHz 29.4(29dB) Band 13 778MHz 30.3(30dB) Band 5 824MHz 30.1(30dB) Band 4 1710MHz 37.2(37dB) Band 2 1850MHz 37.7 (3 7dB) Date Dec 4, 2014 Sheet No. 4/8 Version No. Written by P. J. Park Checked by Confirmed by Authorized by Subject : USHR-781921-5B ACE technologies 4. UL gain  Band 12 DL input input(RSSI) [dBm] DL Gain[dB] MSCL(dB) UL Gain[dB] UL Atten Value[dB] DL-UL Gain[dB] Remark -40 42 29(dB) 30 30 12 Shutdown -41 43 31 29 12 -42 44 32 28 12 -43 45 33 27 12 -44 46 34 26 12 -45 47 35 25 12 -46 48 36 24 12 -47 49 37 23 12 -48 50 38 22 12 -49 51 39 21 12 -50 52 40 20 12 -51 53 41 19 12 -52 54 42 18 12 -53 55 43 17 12 -54 56 44 16 12 -55 57 45 15 12 -56 58 46 14 12 -57 59 47 13 12 -58 60 48 12 12 -59 60 49 11 11 -60 60 50 10 10 -61 60 51 9 9 -62 60 52 8 8 -63 60 53 7 7 -64 60 54 6 6 -65 60 55 5 5 -66 60 56 4 4 -67 60 57 3 3 -68 60 58 2 2 -69 60 59 1 1 -70 60 60 0 Date Dec 4, 2014 Sheet No. 5/8 Version No. Written by P. J. Park Checked by Confirmed by Authorized by Subject : USHR-781921-5B ACE technologies  Band 13 DL input input(RSSI) [dBm] DL Gain[dB] MSCL(dB) UL Gain[dB] UL Atten Value[dB] DL-UL Gain[dB] Remark -40 42 30dB 31 30 11 Shutdown -41 43 32 29 11 -42 44 33 28 11 -43 45 34 27 11 -44 46 35 26 11 -45 47 36 25 11 -46 48 37 24 11 -47 49 38 23 11 -48 50 39 22 11 -49 51 40 21 11 -50 52 41 20 11 -51 53 42 19 11 -52 54 43 18 11 -53 55 44 17 11 -54 56 45 16 11 -55 57 46 15 11 -56 58 47 14 11 -57 59 48 13 11 -58 60 49 12 11 -59 60 50 11 10 -60 60 51 10 9 -61 60 52 9 8 -62 60 53 8 7 -63 60 54 7 6 -64 60 55 6 5 -65 60 56 5 4 -66 60 57 4 3 -67 60 58 3 2 -68 60 59 2 1 -69 60 60 1 -70 60 61 0 -71 60 61 0 Date Dec 4, 2014 Sheet No. 6/8 Version No. Written by P. J. Park Checked by Confirmed by Authorized by Subject : USHR-781921-5B ACE technologies  Band 5 DL input input(RSSI) [dBm] DL Gain[dB] MSCL(dB) UL Gain[dB] UL Atten Value[dB] DL-UL Gain[dB] Remark -40 42 30dB 31 30 11 Shutdown -41 43 32 29 11 -42 44 33 28 11 -43 45 34 27 11 -44 46 35 26 11 -45 47 36 25 11 -46 48 37 24 11 -47 49 38 23 11 -48 50 39 22 11 -49 51 40 21 11 -50 52 41 20 11 -51 53 42 19 11 -52 54 43 18 11 -53 55 44 17 11 -54 56 45 16 11 -55 57 46 15 11 -56 58 47 14 11 -57 59 48 13 11 -58 60 49 12 11 -59 61 50 11 11 -60 62 51 10 11 -61 62 52 9 10 -62 62 53 8 9 -63 62 54 7 8 -64 62 55 6 7 -65 62 56 5 6 -66 62 57 4 5 -67 62 58 3 4 -68 62 59 2 3 -69 62 60 1 2 -70 62 61 0 1 -71 62 61 0 1 Date Dec 4, 2014 Sheet No. 7/8 Version No. Written by P. J. Park Checked by Confirmed by Authorized by Subject : USHR-781921-5B ACE technologies  Band 4 DL input input(RSSI) [dBm] DL Gain[dB] MSCL(dB) UL Gain[dB] UL Atten Value[dB] DL-UL Gain[dB] Remark -40 42 37dB 38 30 4 Shutdown -41 43 39 29 4 -42 44 40 28 4 -43 45 41 27 4 -44 46 42 26 4 -45 47 43 25 4 -46 48 44 24 4 -47 49 45 23 4 -48 50 46 22 4 -49 51 47 21 4 -50 52 48 20 4 -51 53 49 19 4 -52 54 50 18 4 -53 55 51 17 4 -54 56 52 16 4 -55 57 53 15 4 -56 58 54 14 4 -57 59 55 13 4 -58 60 56 12 4 -59 61 57 11 4 -60 62 58 10 4 -61 63 59 9 4 -62 64 60 8 4 -63 65 61 7 4 -64 66 62 6 4 -65 67 63 5 4 -66 68 64 4 4 -67 69 65 3 4 -68 70 66 2 4 -69 70 67 1 3 -70 70 68 0 2 -71 70 68 0 1 Date Dec 4, 2014 Sheet No. 8/8 Version No. Written by P. J. Park Checked by Confirmed by Authorized by Subject : USHR-781921-5B ACE technologies  Band 2 DL input input(RSSI) [dBm] DL Gain[dB] MSCL(dB) UL Gain[dB] UL Atten Value[dB] DL-UL Gain[dB] Remark -40 42 37dB 38 30 4 Shutdown -41 43 39 29 4 -42 44 40 28 4 -43 45 41 27 4 -44 46 42 26 4 -45 47 43 25 4 -46 48 44 24 4 -47 49 45 23 4 -48 50 46 22 4 -49 51 47 21 4 -50 52 48 20 4 -51 53 49 19 4 -52 54 50 18 4 -53 55 51 17 4 -54 56 52 16 4 -55 57 53 15 4 -56 58 54 14 4 -57 59 55 13 4 -58 60 56 12 4 -59 61 57 11 4 -60 62 58 10 4 -61 63 59 9 4 -62 64 60 8 4 -63 65 61 7 4 -64 66 62 6 4 -65 67 63 5 4 -66 68 64 4 4 -67 69 65 3 4 -68 69 66 2 3 -69 69 67 1 2 -70 69 68 0 1 -71 69 68 0 1

OPISYS INC 511 S. HARBOR BLVD UNIT P LA HABRA CA 90631 USA E-MAIL : [email protected] Subject: Final Amplification Stage Voltage and Current FCC ID: Q4EUSHR-781921-5B Please note that the maximum voltages and currents for the final amplification stages of the Model USHR‐781921‐5B Signal Booster are: Downlink Uplink BAND 12 5V / 0.1A 5V / 1.2A BAND 13 5V / 0.1A 5V / 1.2A BAND 5 5V / 0.1A 5V / 1.2A BAND 4 5V / 0.1A 5V / 1.2A BAND 2 5V / 0.1A 5V / 1.2A Sincerely Yours, Kyung Hee Koo C.E.O. of OPISYS INC

OPISYS Incorporated 511 S. HARBOR BLVD UNIT P LA HABRA CA 90631 USA E-MAIL : [email protected] Subject: Antenna Kitting FCC ID: Q4EUSHR-781921-5B The antenna kitting options for model USHR-781921-5B signal booster were done for 3 Outdoor Antenna kit options and 3 Indoor Antenna kit options. The repeater(USHR-781921-8B) uses four of the RF cable. The order of the attached calculations is as follows: 1. List of approved antenna Item Model Gain(698~806) Gain(806~960) Gain(1710~2500) Service Antenna (Indoor Antenna) TS260771 +8dBi +8dBi +8dBi TS250374 +5dBi +5dBi +5dBi TQI-700/2700-SJ -01 +2dBi +2.5dBi +5dBi Donnor Antenna (Outdoor Antenna) TS210471 +4.5dBi +4.5dBi +4.5dBi TS220971 +9dBi +9dBi +9dBi TDI-690/2500-SJ +7dBi +7dBi +8dBi 2. List of approved RF cable Model Cable Type AC200000 LMR200 TS320000 RF240 TS340000 RF400 TS350000 1/2" TS360000 1/2" OPISYS Incorporated 511 S. HARBOR BLVD UNIT P LA HABRA CA 90631 USA E-MAIL : [email protected] 3. In case of minimum cable loss and antenna gain 3.1 Downlink(Indoor Antenna) 3.1.1 Down Link(698 ~ 960MHz) ①Conducted power(dBm) ②RF Coaxial Cable Loss(dB) RF Coaxial Cable Model ③Antenna Gain(dB) Antenna Model EIRP (①+②+③) dBm 2 -1.1 AC200000 8 TS260771 8.9 2 -1.1 AC200000 5 TS250374 5.9 2 -1.1 AC200000 2 TQI-700/2700-SJ-01 2.9 2 -1.0 TS320000 8 TS 260771 9.0 2 -1.0 TS320000 5 TS250374 6.0 2 -1.0 TS320000 2 TQI-700/2700-SJ-01 3.0 2 -1.0 TS340000 8 TS260771 9.0 2 -1.0 TS340000 5 TS250374 6.0 2 -1.0 TS340000 2 TQI-700/2700-SJ-01 3.0 2 -0.9 TS350000 8 TS260771 9.1 2 -0.9 TS350000 5 TS250374 6.1 2 -0.9 TS350000 2 TQI-700/2700-SJ-01 3.1 2 -0.9 TS360000 8 TS260771 9.1 2 -0.9 TS360000 5 TS250374 6.1 2 -0.9 TS360000 2 TQI-700/2700-SJ-01 3.1 3.1.2 Down Link(1710~ 2500MHz) ① Conducted power(dBm) ②RF Coaxial Cable Loss(dB) RF Coaxial Cable Model ③Antenna Gain(dB) Antenna Model EIRP(①+②+③) dBm 2 -1.3 AC200000 8 TS260771 8.7 2 -1.3 AC200000 5 TS250374 5.7 2 -1.3 AC200000 5 TQI-700/2700-SJ-01 5.7 2 -1.1 TS320000 8 TS260771 8.9 2 -1.1 TS320000 5 TS250374 5.9 2 -1.1 TS320000 5 TQI-700/2700-SJ-01 5.9 2 -1.2 TS340000 8 TS260771 8.8 2 -1.2 TS340000 5 TS250374 5.8 2 -1.2 TS340000 5 TQI-700/2700-SJ-01 5.8 2 -1.0 TS350000 8 TS260771 9.1 2 -1.0 TS350000 5 TS250374 6.1 2 -1.0 TS350000 5 TQI-700/2700-SJ-01 6.1 2 -0.9 TS360000 8 TS260771 9.1 2 -0.9 TS360000 5 TS250374 6.1 2 -0.9 TS360000 5 TQI-700/2700-SJ-01 6.1 OPISYS Incorporated 511 S. HARBOR BLVD UNIT P LA HABRA CA 90631 USA E-MAIL : [email protected] 3.2 Uplink(Outdoor Antenna) 3.2.1 Up Link(698 ~ 960MHz) ①Conducted power(dBm) ②RF Coaxial Cable Loss(dB) RF Coaxial Cable Model ③Antenna Gain(dB) Antenna Model EIRP(①+②+③) dBm 23 -4.0 AC200000 4.5 TS210471 23.5 23 -4.0 AC200000 9 TS220971 28.0 23 -4.0 AC200000 7 TDI-690/2500-SJ 26.0 23 -2.8 TS320000 4.5 TS210471 24.7 23 -2.8 TS320000 9 TS220971 29.2 23 -2.8 TS320000 7 TDI-690/2500-SJ 27.2 23 -2.8 TS340000 4.5 TS210471 24.7 23 -2.8 TS340000 9 TS220971 29.2 23 -2.8 TS340000 7 TDI-690/2500-SJ 27.2 23 -2.1 TS350000 4.5 TS210471 25.4 23 -2.1 TS350000 9 TS220971 29.9 23 -2.1 TS350000 7 TDI-690/2500-SJ 27.9 23 -2.1 TS360000 4.5 TS210471 25.4 23 -2.1 TS360000 9 TS220971 29.9 23 -2.1 TS360000 7 TDI-690/2500-SJ 27.9 3.2.2 Up Link(1710 ~ 2500MHz) ①Conducted power(dBm) ②RF Coaxial Cable Loss(dB) RF Coaxial Cable Model ③Antenna Gain(dB) Antenna Model EIRP(①+②+③) dBm 23 -3.1 AC200000 4.5 TS210471 24.4 23 -3.1 AC200000 9 TS220971 28.9 23 -3.1 AC200000 7 TDI-690/2500-SJ 26.9 23 -2.4 TS320000 4.5 TS210471 25.1 23 -2.4 TS320000 9 TS220971 29.6 23 -2.4 TS320000 7 TDI-690/2500-SJ 27.6 23 -2.6 TS340000 4.5 TS210471 24.9 23 -2.6 TS340000 9 TS220971 29.4 23 -2.6 TS340000 7 TDI-690/2500-SJ 27.4 23 -3.8 TS350000 4.5 TS210471 23.7 23 -3.8 TS350000 9 TS220971 28.2 23 -3.8 TS350000 7 TDI-690/2500-SJ 26.2 23 -2.8 TS360000 4.5 TS210471 24.7 23 -2.8 TS360000 9 TS220971 29.2 23 -2.8 TS360000 7 TDI-690/2500-SJ 27.2 OPISYS Incorporated 511 S. HARBOR BLVD UNIT P LA HABRA CA 90631 USA E-MAIL : [email protected] Sincerely Yours, ◆ Specification ◆ Photo Model Name : TS210471 Donor Antenna Specification(Outdoor Antenna) ◆ Specification ◆ Photo Model Name : TS220971 Donor Antenna Specification(Outdoor Antenna) ◆ Specification ◆ Photo Model Name : TDI-690/2500-SJ Donor Antenna Specification(Outdoor Antenna) Model Name : TS260771 Service Antenna Specification(Indoor Antenna) ◆ Specification ◆ Photo Model Name : TS250374 Service Antenna Specification(Indoor Antenna) ◆ Specification ◆ Photo Model Name : TQI-700/2700-SJ-01 Service Antenna Specification(Indoor Antenna) ◆ Specification ◆ Photo EIRP & Antenna Kitting Information Item Model Gain(698~806) Gain(806~960) Gain(1710~2500) TS260771 +8dBi +8dBi +8dBi TS250374 +5dBi +5dBi +5dBi TQI-700/2700-SJ-01 +2dBi +2.5dBi +5dBi TS210471 +4.5dBi +4.5dBi +4.5dBi TS220971 +9dBi +9dBi +9dBi TDI-690/2500-SJ +7dBi +7dBi +8dBi 2.1 Minimum Cable Length & Loss Downlink port ↔Indoor Ant Uplink port ↔ Outdoor Ant Downlink port ↔Indoor Ant Uplink port ↔ Outdoor Ant AC200000 LMR200 698~2200 -0.32 1 10 -0.8 -1.1 -4.0 TS320000 RF240 698~2200 -0.2 1 10 -0.8 -1.0 -2.8 TS340000 RF400 698~2200 -0.2 1 10 -0.8 -1.0 -2.8 TS350000 1/2" 698~2200 -0.066 1 20 -0.8 -0.9 -2.1 TS360000 1/2" 698~2200 -0.063 1 20 -0.8 -0.9 -2.1 2.2 Maximum Cable Length & Loss Downlink port ↔Indoor Ant Uplink port ↔ Outdoor Ant Downlink port ↔Indoor Ant Uplink port ↔ Outdoor Ant AC200000 LMR200 698~2200 -0.32 50 50 -0.8 -16.8 -16.8 TS320000 RF240 698~2200 -0.2 100 100 -0.8 -20.8 -20.8 TS340000 RF400 698~2200 -0.2 100 100 -0.8 -20.8 -20.8 TS350000 1/2" 698~2200 -0.066 300 300 -0.8 -20.6 -20.6 TS360000 1/2" 698~2200 -0.063 300 300 -0.8 -19.7 -19.7 2.1 Minimum Cable Length & Loss Downlink port ↔Indoor Ant Uplink port ↔ Outdoor Ant Downlink port ↔Indoor Ant Uplink port ↔ Outdoor Ant AC200000 LMR200 698~2200 -0.466 1 5 -0.8 -1.3 -3.1 TS320000 RF240 698~2200 -0.32 1 5 -0.8 -1.1 -2.4 TS340000 RF400 698~2200 -0.365 1 5 -0.8 -1.2 -2.6 TS350000 1/2" 698~2200 -0.15 1 20 -0.8 -1.0 -3.8 TS360000 1/2" 698~2200 -0.099…

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OPISYS INC. USHR-781921-5B It should not be reproduced in full or partly without the written approval by TCL of RAPA. Testing and Certification Laboratory Appendix 3. External Photos of EUT 1. Top OPISYS INC. USHR-781921-5B It should not be reproduced in full or partly without the written approval by TCL of RAPA. Testing and Certification Laboratory Appendix 3. External Photos of EUT 2. Bottom OPISYS INC. USHR-781921-5B It should not be reproduced in full or partly without the written approval by TCL of RAPA. Testing and Certification Laboratory Appendix 3. External Photos of EUT 3. Front 4. Back OPISYS INC. USHR-781921-5B It should not be reproduced in full or partly without the written approval by TCL of RAPA. Testing and Certification Laboratory 5. Right 6. Left OPISYS INC. USHR-781921-5B It should not be reproduced in full or partly without the written approval by TCL of RAPA. Testing and Certification Laboratory Appendix 3. External Photos of EUT 7. Adapter

FCC ID : Q4EUSHR-781921-5B 1. Model : USHR-781921-5B 2. Manufacturing Date : 3. Manufacturer : ACE TECHNOLOGY 4. Serial Number : AAC- Warning Thus us a CONSUMER device. BEFORE USE, you MUST REGISTER THIS DEVICE with your wireless provider and have your provider's consent. Most wireless providers consent to the use of signal boosters. Some providers may not consent to the use of this device on their network. If you are unsure, contact your provider. You MUST operate this device with approved antennas and cables as specified by the manufacturer. Antennas MUST be installed at least 20 cm (8 inches) from any person. You MUST cease operating the device immediately if requested by the FCC or a licensed wireless service provider. WARNING. E911 location infomation may not be provided or may be inaccurate for calls served by using the device. 21,25 21,5 15 21.5 27 86,75 DoNotRemove 32,75 110 USHR-781921-5B Warning Thus us a CONSUMER device. BEFORE USE, you MUST REGISTER THIS DEVICE with your wireless provider and have your provider's consent.Most wireless providers consent to the use of signal boosters. Some providers may not consent to the use of this device on their network.If you are unsure, contact your provider. You MUST operate this device with approved antennas and cables as specified by the manufacturer. Antennas MUST be installed at least 20 cm (8 inches) from any person.You MUST cease operating the device immediately if requested by the FCC or a licensed wireless service provider.WARNING. E911 location infomation may not be provided or may be inaccurate for calls served by using the device. 1. Model : USHR-781921-5B 2. Manufacturing Date :3. Manufacturer : ACE TECHNOLOGY 4. Serial Number : AAC- FCC ID : Q4EUSHR-781921-5B DoNotRemove $872'(6.￿￿￿￿￿￿￿￿￿￿ $872'(6.￿￿￿￿￿￿￿￿￿￿ $872'(6.￿￿￿￿￿￿￿￿￿￿ $872'(6.￿￿￿￿￿￿￿￿￿￿

OPISYS INC. USHR-781921-5B It should not be reproduced in full or partly without the written approval by TCL of RAPA. Testing and Certification Laboratory Appendix 4. Internal Photos of EUT 1. Top of Internal PCB A OPISYS INC. USHR-781921-5B It should not be reproduced in full or partly without the written approval by TCL of RAPA. Testing and Certification Laboratory Appendix 4. External Photos of EUT 2. Bottom of Internal PCB A OPISYS INC. USHR-781921-5B It should not be reproduced in full or partly without the written approval by TCL of RAPA. Testing and Certification Laboratory Appendix 4. External Photos of EUT 3. Top of Internal PCB B OPISYS INC. USHR-781921-5B It should not be reproduced in full or partly without the written approval by TCL of RAPA. Testing and Certification Laboratory Appendix 4. External Photos of EUT 4. Bottom of PCB B OPISYS INC. USHR-781921-5B It should not be reproduced in full or partly without the written approval by TCL of RAPA. Testing and Certification Laboratory Appendix 4. External Photos of EUT 1. Top of Internal S/W PCB Appendix 4. External Photos of EUT 2. Bottom of S/W PCB

Page : 1 / 205 Report No. : RAPA15-O-003 It should not be reproduced in full or partly without the written approval by TCL of RAPA. FCC CFR Part 20(Ver4.0) Testing and Certification Laboratory TEST REPORT Report Number RAPA15-O-001 Type of Equipment 4G 5-Band Repeater Model Name USHR-781921-5B FCC ID Q4EUSHR-781921-5B Applicant Name OPISYS INC. Logo Address 511 S. Harbor Blvd, Unit P. La Habra, CA. 90631, USA Manufacturer Name Ace Technology Corp. Address 24BL 5L, 451-3, Nonhyeon-dong, Namdong-gu, Incheon, 405-849, Korea Test duration January 02, 2015 to February 27, 2015 Date of issue February 27, 2015 Total Page 205 pages (including this page) SUMMARY The equipment complies with FCC CFR 47 Part 20. This test report contains only the results of a single test of the sample supplied for the examination. It is not a general valid assessment of the features of the respective products of the mass-production. February 27, 2015 February 27, 2015 Tested by Hyun Soo Lee Reviewed by Sukil Park Manager Executive Managing Director Page : 2 / 205 Report No. : RAPA15-O-003 It should not be reproduced in full or partly without the written approval by TCL of RAPA. FCC CFR Part 20(Ver4.0) Testing and Certification Laboratory Test Report Version History Version Date Revised by Reason for revision 1.0 January 24, 2015 Hyun Soo Lee Original Document 2.0 February 09, 2015 Hyun Soo Lee 1. Conducted spurious emission test results update 2. Out of band emission test procedure update(935210 D03 Signal Booster Measurement v02r01) 3. Noise limit test results update 3.0 February 13, 2015 Hyun Soo Lee Frequency band name modification BAND2 -> BAND25 4.0 February 27, 2015 Hyun Soo Lee Uplink Output power and MPE update Page : 3 / 205 Report No. : RAPA15-O-003 It should not be reproduced in full or partly without the written approval by TCL of RAPA. FCC CFR Part 20(Ver4.0) Testing and Certification Laboratory CONTENTS 1. General description of EUT .............................................................................................................................. 4 1.1 Applicant ......................................................................................................................................................... 4 1.2 Manufacturer .................................................................................................................................................. 4 1.3 Basic description of EUT ................................................................................................................................ 4 1.4 Electrical specification .................................................................................................................................... 5 1.5 Mechanical specification ................................................................................................................................ 7 1.6 Environmental specification ...............................................................................................................…

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