OMD800-004Assisted Listening Technology Device

User Manual LT-800-072 Stationary RF Transmitter LT-803-072 Stationary RF Transmitter LT-800-216 Stationary RF Transmitter www.listentech.com Dear Valued Customer, Thank you for choosing Listen! We are dedicated to providing you with the highest quality products available and take pride in delivering outstanding performance to ensure you are completely satisfied. We independently certify each of our products to the highest quality standards. We are available to answer any questions you might have during installation or in the operation of our products. At Listen, it’s all about you, should you have any comments or suggestions we’re here to listen. Here’s how to reach us: +1.801.233.8992 | 1.800.330.0891 Toll Free (USA & Canada) [email protected] | www.listentech.com Thank you and enjoy your listening experience! Best regards, The Listen Team 1 Table of Contents Package Contents 2 Specifications 3 Architectural Specifications 3 Specifications 3 Block Diagram 4 Quick Reference 5 Setup Instructions 6 Operating Instructions 9 Audio Control 10 Listen SQ™ (Super Quiet) 11 RF Reception Maximization Strategies 12 Coaxial Cable 12 Channel Selection 13 Compatibility Charts 14 72 MHz Frequency Compatibility Chart 14 216 MHz Frequency Compatibility Chart 15 Phonak Frequency Compatibility Chart 16 Troubleshooting 17 Compliance Notice 19 FCC Statement 19 Industry Canada Statement 20 Warranty 21 Contacting Listen 21 Optional Accessories 22 Package Contents 2 LT-800-072 Contents (1) LT-800-072 Stationary RF Transmitter (72 MHz) (1) LA-207 12 VDC Power Supply (1) Quick Start Guide LT-803-072 Contents (1) LT-803-072 Stationary 3-Channel RF Transmitter (72 MHz) (1) LA-207 12 VDC Power Supply (1) Quick Start Guide LT-8 00-216 Contents (1) LT-800-216 Stationary RF Transmitter (216 MHz) (1) LA-207 12 VDC Power Supply (1) Quick Start Guide LT-800-072 LA-207 LT-803-072 LA-207 LT-800-216 LA-207 .. -. ----·· -=-11111 ;--:~ --• ' ;.. .. ----·· -= 11/111 '""'.k --• ' ('\ , .. ,.:. Jr\ - -------=·ll!la - 3 Specifications Specifications* RF RF Frequency Range 72.025 - 75.950 MHz 216.025 - 216.9875 MHz Number of Channels 17 wide band, 40 narrow band 3 wide band 19 wide band, 38 narrow band Frequency Accuracy +/-.005% stability 32 ̊ to 122 ̊F (0 ̊- 50 ̊C) Transmitter Stability 50 PPM Output Power 80,000uV at 3 m 100mW (max allowed by FCC) Antenna Various Antennas available Antenna Connector BNC Compliance FCC Part 15, Industry Canada FCC Part 90, Industry Canada ** All system specifications are wireless end-to-end Audio System Frequency Response 50 Hz - 15 kHz (±3 dB) 50 Hz - 10 kHz (±3 dB) System Signal to Noise Ratio (A-Weighted) 80 dB SQ enabled; 60 dB SQ disabled 60 dB 80 dB SQ enabled; 50 dB SQ disabled System Distortion <2% total harmonic distortion (THD) at 80% deviation Audio Input 1 Rear panel. (1) Female-XLR and ¼ in. combo connector, balanced, 0/-55 dBu (line/mic) nominal input level adjustable, -30/+21 dBu (line/mic) maximum input level, impedance 20k/1k Ohms (line/mic), phantom power +12 VDC. Audio Input 2 Rear panel. Two (2) Phono connectors, unbalanced, -10/+10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100k Ohms. Audio Processing (Process) Compression can be turned on/off. Slope internally adjustable from 1:1 to 4:1. Default 2:1 Contour Cuts and boosts frequencies above 5 kHz Combined Audio Output (Mix) Input 1 and Input 2 Mixed Output (Rear Panel). Two (2) phono connectors, unbalanced, -10 dBu nominal output level, +19 dBu maximum, impedance 10 ohm. Headphone Output (Monitor) Front panel. One (1) 3.5 mm stereo connector, unbalanced, adjustable output level, +7 maximum, impedance 10 Ohm. Controls Front Panel Power, Test Tone on/off, Channel UP/DOWN, Input levels, Mix level, Contour, Monitor volume control. Rear Panel Input 1 Level (line, mic, mic-phantom power), Input 2 Level (-10/+10 dBu), RF Power (low, mid, high) Internal Adjustments Compression ratio for audio processor Programming SQ on/off (LT-800 only), process on/off, channel lock Indicators Input 1 and Input 2, Mix VU Indicates Input 1, Input 2 and Mix audio levels. 10 segment LED’s (8 green, 2 red) SQ (LT-800 only) and Processing Indicated by a green LED when on (front panel) RF Power Indicated on the LCD (low, mid, high) LCD Display Channel designation, lock status, RF Power Level, programming (front panel) Test Tone Red LED illuminates when test tone enabled Power Power Supply Type In-line power supply. Listen part number LA-207 (Line cord is determined by each country’s AC power standards). Power Supply Input Input: 100-240 VAC, 50-60 Hz, 0.4 A Power Supply Output Output: 12 VDC, 1.3 A, 15.6 W Power Supply Connector Output Connector: .02 in. (5.0 mm) OD, .01 in. (2.5 mm) ID, barrel type Power Supply Compliance UL, CE, GS, TÜV, RoHS Physical Dimensions (H x W x D) 1.75 x 8.50 x 9.13 in. (4.5 x 21.5 x 23 cm) Color Dark Grey with white silk screening Unit Weight 2.6 lbs. (5.7 kg) Unit Weight with Power Supply 4.4 lbs. (2.0 kg) Shipping Weight 5.0 lbs. (2.26 kg) Rack Mounting One (1) rack space height, 1/2 rack space wide. One (1) or two (2) transmitters can be mounted in one rack space. Optional rack mount (LA-326) Environmental Temperature - Operation -10 ̊C (14 ̊F) to +40 ̊C (104 ̊F) Temperature - Storage -20 ̊C (-4 ̊F) to +50 ̊C (122 ̊F) Humidity 0 to 95% Relative Humidity, non condensing *Specifications are subject to change without notification L T-800 Architectural Specifications The stationary FM transmitter shall be capable of broadcasting on 57 channels. The transmitter shall have a SNR of 80dB or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall broadcast on both wide and narrow band channels. The device shall have an audio frequency response of 63 Hz to 15k Hz, ± 3dB at 72 MHz, or of 63 Hz to 10k Hz, ± 3dB at 216 MHz. It shall have two mixing audio inputs. The device shall have the following audio controls: input level, m…

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Channel Typ e Deviation Control Aud::]Aud +12V ー12V +5 V - 5 V Master Deviation Control 口 LI5TE杓； LT-800-216 216 MHz Transmitter Block Diagram September 20, 2023

RE: Listen Technologies Corpora�on 15 Feb 2024 FCC ID: OMD800-004 IC ID:4011A-LT800216 ATCB031003 With reference to the ACB comments dated 27 Dec 2023 Please clarify if the digital device por�on of the EUT is being authorized (under FCC Part 15B) via cer�fica�on or SDoC. If cer�fica�on, then please note that an addi�onal applica�on will be required for that por�on of the device. Response: Yes, the digital por�on of this device is covered by an SDoC The Opera�onal Descrip�on references 3 different model receivers that may be used with the EUT. Please clarify if these receivers have been authorized under cer�fica�on or SDoC. If cer�fica�on, please provide their FCC ID number(s). Response: Receivers have been authorized under SdoC and Theory of Opera�on has been updated.

6 Dec 2023 Atten:Director of Certification American Certification Body, Inc. 6731 Whittier Avenue, Suite C110 McLean, VA 22101 To Whom It May Concern Listen Technologies Corporation is submitting the following product which shall contain an Low Power Radio Service transmitting device subject to US CFR 47 Part 95 Subpart G Rules and Regulations and shall bear the FCC ID: OMD800-004 Model: LT-800-216 Les Payne (Agent for Listen Technologies Corporation) Facility Manager DNB Engineering Inc 1100 E Chalk Creek Road Coalville, UT 84017

1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:1 Dec 2023Specification [X] CFR 47 Part 95 [X] RSS-210 Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device Front 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:1 Dec 2023Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device Rear 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:1 Dec 2023Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device Side 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:1 Dec 2023Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device Top 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:1 Dec 2023Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device Bottom

1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LA-102 Telescoping Top Mounted Antenna 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LA-102 Telescoping Top Mounted Antenna 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LA-107 Ground Plane Antenna 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LA-107 Ground Plane Antenna 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LA-117 Coax Dipole Antenna 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LA-122 Universal Antenna Kit 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LA-122 Universal Antenna Kit 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LA-124 90 Degree Helical Antenna 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 External Photgraphs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LA-124 90 Degree Helical Antenna

1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 Label Placement DNB Job Number:46009Date:1 Dec 2023Specification [X] CFR 47 Part 95 [X] RSS-210 Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device

1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 Internal Photographs DNB Job Number:46009Date:1 Dec 2023Specification [X] CFR 47 Part 95 [X] RSS-210 Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device Internal Front 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 Internal Photographs DNB Job Number:46009Date:1 Dec 2023Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device Internal Rear 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 Internal Photographs DNB Job Number:46009Date:1 Dec 2023Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device Internal RF Card 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 Internal Photographs DNB Job Number:46009Date:1 Dec 2023Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device Internal Top

1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 Internal Photographs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LT-800-216 Front Panel_Front 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 Internal Photographs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LT-800-216 Front Panel_Rear 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 Internal Photographs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LT-800-216 Main PC Board_Bottom 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 Internal Photographs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LT-800-216 Main PC Board_Top 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 Internal Photographs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LT-800-216 RF Card_Bottom 1100 E Chalk Creek Road Coalville, UT 84017 (435) 336-4433 FAX (435) 336-4436 Internal Photographs DNB Job Number:46009Date:15 Feb 2024Specification [X] CFR 47 Part 95 [X] RSS Customer:Listen Tech Corp Model Number:LT-800-216 Description:Assisted Hearing Device LT-800-216 RF Card_Top

Antenna Specification Sheet LA-102 – Telescoping Top Mounted Antenna (216 MHz) Included: LA-102 Antenna Mechanical: Height: Extended 12.0 in. (305 mm) Retracted 5.0 in. (129 mm) Diameter: 0.315 in. (8.0 mm) Weight: 0.6 oz. (212 g) Shipping Weight: 1 lb. (0.5 kg) Finish: Plated Connector: Threaded socket M5 0.8 Electrical: Frequency Range: 216-217 MHz Gain: 2.31 dBi Polarization: Vertical Nominal Impedance: 50 Ohm Max power: 1 W VSWR: < 1.7:1 Radiation Pattern: Note: Pattern is referenced when attached to LT-800 transmitter 3D view XY Plane (dBi) XZ plane (dBi) YZ plane (dBi)

Antenna Specification Sheet LA-107 - Ground Plane Remote Antenna (216 MHz) Included in Kit: Antenna 5.2 m (50 ft.) RG58, 50 ohm coaxial cable (PL-259 and BNC connectors) Mounting hardware Mechanical: Height: 17.5 in. (68.6 cm) Diameter: 30.00 in. (76.0 cm) Ground Radials Length: 13.50 (34.0 cm) Base Length: 13.50 (34.0 cm) Weight: 7.5 oz. (212 g) Shipping Weight: 1 lb. (0.5 kg) Finish: Plated Connector: PL-259 Electrical: Frequency Range: 216-217 MHz Gain: 1.85 dBi Polarization: Vertical Nominal Impedance: 50 Ohm Max power: 500 mW VSWR: < 1.5:1 Radiation Pattern: 3D view XY Plane (dBi) XZ plane (dBi) YZ plane (dBi)

Antenna Specification Sheet LA-1 17 - Coaxial Dipole Remote Antenna (216 MHz) Included in Kit: One (1) LA-117 Coaxial Dipole Remote Antenna (216 Mhz) Mechanical: Length: 27 in. (68.6 cm) Diameter: 0.19 in. (4.88 mm) Weight: 13.40 oz (0.38 kg) Shipping Weight: 1 lb. (0.5 kg) Cable Length: 25 ft (7.62 m) Cable type RG-58 50-ohm Coax Electrical: Frequency Range: 216-217 MHz Gain: 2.36 dBi Polarization: Vertical Nominal Impedance: 50 Ohm Maximum Power handling 1 Watt VSWR: < 1.3:1 Radiation Pattern: 3D view XY Plane (dBi) XZ plane (dBi) YZ plane (dBi)

Antenna Specification Sheet LA-122 – Telescoping dipole Antenna (216 MHz dipole only) Included: (2) LA-1 02 Antenna (1) Grounding base (1) mounting bracket (1) Antenna Module Additional components included that are not part of the 216 Dipole antenna included in the LA122: Two (2) Flexible Antenna (72 MHz) Two (2) Flexible Antenna (216 MHz) One (1) Grounding Base One (1) Mounting Bracket One (1) Wall/Electrical Box Mounting Plate One (1) Shorting Plate One (1) Antenna Module One (1) 25 ft. (7.6 m) Coaxial Cable – RG-58 (terminated with BNC connectors on both ends) Two (2) Hex Kep Nuts Two (2) Fiber Washer Four (4) Machine Screw (#8-32×3/4′′) Four (4) Tapping Screw (#8-1/2′′) Four (4) Dry Anchors One (1) Owner’s manual Mechanical: Connector: BNC male Height: Extended 26.0 in. (66 cm) Retracted 12.0 in. (30.5 mm) Diameter: 0.315 in. (8.0 mm) Finish: Painted The following weight specifications are for the complete LA-122 kit Weight: 2.0 kg (4.4 lbs.) Shipping Weight: 3.20 kg (7.0 lbs.) Electrical: (216 Dipole only) Frequency Range: 216-217 MHz Gain: 2.45 dBi Polarization: Vertical Nominal Impedance: 50 Ohm Max power: 1 W VSWR: < 1.4:1 Radiation Pattern: (216 dipole only) 3D view XY Plane (dBi) XZ plane (dBi) YZ plane (dBi)

Antenna Specification Sheet LA-1 24 – 90 Degree Helical Antenna (216 MHz) Included: One (1) LA-124 90° Helical Antenna (216 MHz) Mechanical: Height: 4.5 in. (11.4 cm) Diameter: 0.44 in. (1.1 c m) Weight: 0.6 oz. (212 g) Shipping Weight: 1 lb. (0.5 kg) Finish: Nickel Plated Connector: Right Angle BNC Electrical: Frequency Range: 216-217 MHz Gain: 2.55 dBi Polarization: Vertical Nominal Impedance: 50 Ohm Max power: 1 W VSWR: < 1.8:1 Radiation Pattern: Note: Pattern is referenced when attached to LT-800 transmitter 3D view XY Plane (dBi) XZ plane (dBi) YZ plane (dBi)

LT-800-216-01 Stationary RF Transmitter (216 MHz) Configuration: LT-800-216-01 Stationary RF Transmitter (216 MHz) (North America) Product Overview: Offering outstanding audio clarity, digital signal strength, and 57 selectable channels, the LT-800-216 is a perfect RF transmitter choice for a wide range of applications. Connected to your main audio system, the LT-800-216 broadcasts strong, reliable audio to both belt pack receivers and stationary receivers, ideal for providing listeners with the best possible assistive listening experience. Antenna not included. Highlights: Look & Listen (TM) LCD display for quick channel, programming, and channel lock status information Balanced and unbalanced audio inputs allow for use with any audio source Built-in auto processor optimizes audio (voice or music) prior to transmission 57 available, selectable channels VU level meter and test tone for simple installation and set up 30-day, no-obligation demonstration available for your venue or business Includes: One (1) LT-800-216-01 Stationary Transmitter (216 MHz) One (1) LA-207 12 VDC Replacement Power Supply for LT-800 One (1) Quick Reference Card Product Specification: Stationary RF Transmitter (216 MHz) Audio Frequency Response50 Hz - 15 kHz (±3 dB) Signal-to-Noise RatioSQ enabled 70 dB, SQ disabled 50 dB Audio Input 1Rear panel, one (1) Female XLR or 1/4 in combo connector, balanced, 0 / -55 dBu (line/mic) nominal input level adjustable, +21 / -30 dBu (line/mic) maximum input level, impedance 20k / 1k ohm (line/mic), phantom power +12 VDC Audio Input 2Rear panel, two (2) phono connectors, unbalanced, -10 / +10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100k ohm Audio ProcessingCompression can be turned on/off, slope internally adjustable from 1:1 to 4:1, default 2:1 ContourCuts and boosts frequencies above 5 kHz Distortion< 2% total harmonic distortion (THD) at 80% deviation Audio OutputInput 1 and input 2, mixed output (rear panel), two (2) phono connectors, unbalanced, -10 dBu nominal output level, +15 dBu maximum, impedance 10 ohm Headphone OutputFront panel, one (1) 3.5 mm (0.14 in.) stereo connector, unbalanced, adjustable output level, +3 dBu maximum, impedance 10 ohm Listen Technologies Corporation * 14912 Heritage Crest Way * Bluffdale * Utah 84065-4818 U.S.A. +1.801.233.8992 * +1.800.330.0891 North America * +1.801.233.8995 Fax Listen Technologies Corporation All rights reserved 91407 - Created September 18, 2023 Stationary RF Transmitter (216 MHz)Page 1 of 3 LT-800-216-01 Stationary RF Transmitter (216 MHz) Product Specification: Stationary RF Transmitter (216 MHz) Controls User ControlsFront Panel: Power, test tone on/off, channel up/down, input levels, mix level, contour, monitor volume controlRear Panel: Input 1 Level, (Line, Mic, Mic- Phantom Power), Input 2 level (-10 / +10 dBu), RF power level (low, mid, high) Internal AdjustmentsCompression ratio for audio processor ProgrammingSQ on/off, process on/off, channel lock Indicators LCDChannel designation, lock status, RF power level, programming (front panel) Audio Input Status LEDsIndicates Input 1, Input 2, and Mix audio levels; 10 segment LED's (8 green, 2 red) ProcessingIndicated by a green LED when on (front panel) Test ToneRed LED illuminates when test tone is enabled RF PowerIndicated on the LCD (low, mid, high) RF Frequency Range216.0125 - 216.9875 MHz Number of Channels19 wide band, 38 narrow band Frequency Accuracy± .005% stability +32º to +122 ºF (0º to +50 ºC) Antenna TypeVarious antennas available Transmitter Stability50 PPM Transmission RangeUp to 3,000 ft. (914 m) Antenna ConnectorBNC, 50 Ohms (Use RG-58 < 50 ft or RG-8 > 50 ft) Output Power100 mW (max allowed by FCC) Number of Simultaneous TransmittersUp to 5 Power Power SupplyIn line power supply, Listen part number LA-207 (Line cord is determined by the each Country's AC power standards) Power Supply Input100-240 VAC, 50-60 Hz, 0.4 A Power Supply Output12 VDC, 1.3 A, 15.6 W Power Supply Connector0.02 in (5.0 mm) OD, 0.01 in. (2.5 mm) ID, barrel type ComplianceUL, CE, GS, TÜV, RoHS Physical Width8.50 in. (21.5 cm) Height1.75 in. (4.5 cm) Depth9.13 in. (23 cm) ColorDark Grey with white silk screening Unit Weight with Power Supply3.5 lbs. (1.6 kg) Shipping Weight6.0 lbs. (2.7 kg) Rack MountingOne (1) rack space height, 1/2 rack space wide. One (1) or two (2) transmitters can be mounted in one rack space, optional rack mount (LA-326) Weight2.6 lbs. (1.2 kg) Listen Technologies Corporation * 14912 Heritage Crest Way * Bluffdale * Utah 84065-4818 U.S.A. +1.801.233.8992 * +1.800.330.0891 North America * +1.801.233.8995 Fax Listen Technologies Corporation All rights reserved 91407 - Created September 18, 2023 Stationary RF Transmitter (216 MHz)Page 2 of 3 LT-800-216-01 Stationary RF Transmitter (216 MHz) Product Specification: Stationary RF Transmitter (216 MHz) Environmental Temperature - Operation-10 ºC (14 ºF) to +40 ºC (104 ºF) Temperature - Storage-20 ºC (-4 ºF) to +50 ºC (122 ºF) Relative Humidity0 to 95% relative humidity, non condensing Compliance SafetyRoHS RFFCC Part 15, Part 90, Industry Canada Powered by TCPDF (www.tcpdf.org) Listen Technologies Corporation * 14912 Heritage Crest Way * Bluffdale * Utah 84065-4818 U.S.A. +1.801.233.8992 * +1.800.330.0891 North America * +1.801.233.8995 Fax Listen Technologies Corporation All rights reserved 91407 - Created September 18, 2023 Stationary RF Transmitter (216 MHz)Page 3 of 3

Customer: Model: FCC ID: IC ID: Classification: MPE Calculator Lowest Frequency216.0125MHz Highest Frequency216.9875MHz Wavelength (lowest frequency)1.389m Antenna aperture (1/4 wavelength radiator assumed)0.347m Far Field Distance17.360cm Power (Radiated)19.6500dBm Ant Gain dBi0.0000dB Cable Loss0.0000dB EIRP dBm19.6500dB EIRP mW92.2571mW R20.0000cm S0.018363mW/cm^2 Occupational/Controlled Exposure LimitinchescmtimeResult OSHA10.000mW/cm^27.87420.0006PASS FCC1.000mW/cm^27.87420.0006PASS IC0.646mW/cm^27.87420.0006PASS General Population/Uncontrolled Exposure Limit OSHA10.000mW/cm^27.87420.0006PASS FCC0.200mW/cm^27.87420.00030PASS IC0.129mW/cm^27.87420.0006PASS Attestation: The levels measured in this application and used in these calculations are the highest possible value for any manufactured version of the EUT, and already accounts for all possible tolerances. Listen Technologies LT-800-216 OMD800-004 4011A-LT800216 Notes Part 95G Standards General Population RF Exposure RSS 210-C Calculations CFR 47 Part 1.1310 KDB 447498 RSS-102 Issue 6

Application for Certification For a LPRS Transmitter. Listen Technologies Corporation 14912 Heritage Crest Way Bluffdale, UT 84065 Assisted Listening Technology Device M/N: LT-800-216 FCC ID: OMD800-004 IC: 4011A-LT800216 HVIN: LT-800-216 REPORT # UT46009A-005 This report was prepared in accordance with the requirements of the FCC Rules and Regulations Part 2, Subpart J, 2.1033, Part 95, RSS-210 Issue 10 and other applicable sections of the rules as indicated herein. Prepared By: DNB Engineering, Inc. 1100 E Chalk Creek Road Coalville, UT 84017 1 Dec 2023 TABLE OF CONTENTS Paragraph numbers in this report follow the application section numbers found in the FEDERAL COMMUNICATIONS COMMISSION Rules and Regulations, Part 2, Subpart J for Certification of electronic equipment. TABLE OF CONTENTS................................................................................................................2 1.0ADMINISTRATIVE DATA...............................................................................................3 1.1Certifications and Qualifications............................................................................3 1.2Measurement Repeatability Information.................................................................3 1.3Test Equipment List................................................................................................4 1.5Measurement Uncertainty.......................................................................................6 2.1033 (b) (1)Application for Certification...................................................................................7 2.1033 (b) (2)FCC/ISED Identifier...............................................................................................9 2.1033 (b) (3)Installation and Operating Instructions.....................................................10 2.1033 (b) (4)Brief Description of Circuit Function...................................................................11 2.1033 (b) (5)Block Diagram......................................................................................................12 2.1033 (b) (6)Report of Measurements ......................................................................................13 End of Report UT46009A-005...................................................................................................111 Page 2 of 105 1.0ADMINISTRATIVE DATA 1.1Certifications and Qualifications I certify that DNB Engineering, Inc conducted the tests performed in order to obtain the technical data presented in this application. Also, based on the results of the enclosed data, I have concluded that the equipment tested meets or exceeds the requirements of the Rules and Regulations governing this application. 1.2Measurement Repeatability Information The test data presented in this report has been acquired using the guidelines set forth in FCC Part 2.1031 through 2.1057, Part 95. The test results presented in this document are valid only for the equipment identified herein under the test conditions described. Repeatability of these test results will only be achieved with identical measurement conditions. These conditions include: The same test distance, EUT Height, Measurement Site Characteristics, and the same EUT System Components. The system must have the same Interconnecting Cables arranged in identical placement to that in the test set-up, with the system and/or EUT functioning in the identical mode of operation (i.e. software and so on) as on the date of the test. Any deviation from the test conditions and the environment on the date of the test may result in measurement repeatability difficulties. All changes made to the EUT during the course of testing as identified in this test report must be incorporated into the EUT or identical models to ensure compliance with the FCC regulations. C. L. Payne III (Para. 1.1) Facility Manager Coalville Facility. DNB Engineering, Inc. Tel. (435) 336-4433 FAX (435) 336-4436 Page 3 of 105 1.3Test Equipment List TEST EQUIPMENT LIST - CONDUCTED EMISSIONS DescriptionManufacturerModel No.Asset #Serial #Cal Due LISN Fisher Custom Communications FCCLISN5032401U-286202003 Feb 2024 Site 1 CE CableDNBN/AU-400BN/A01 Dec 2023 Spectrum Analyzer Rhode & SchwarzFSV30U-24810136727 Aug 2023 TILE Software ETS Lindgren3.4.11.13U-317811200607 Mar 2024 TEST EQUIPMENT LIST - RADIATED EMISSIONS DescriptionManufacturerModel No.Asset #Serial #Cal Due Pre-AmplifierHewlett Packard8447DU-0682727A0618404 Aug 2023 Pre-AmplifierDNBS-21GU-095U-095-103 Feb 2024 Site 1 RE CableDNBN/AU-400BN/A01 Dec 2023 High Freq CableTRU Corp210U-066 TRU-21B1111-080M 08 Feb 2024 BiConiLog AntennaETS - Lindgren3142EU-25515497303 Sep 2023 DRG Horn AntennaAH SystemsSAS-571U-07141711 Jul 2023 Spectrum Analyzer Rhode & SchwarzFSV30U-24810136727 Aug 2023 TILE SoftwareETS- Lindgren3.4.11.13U-317811200607 Mar 2024 TEST EQUIPMENT LIST - ANTENNA CONDUCTED DescriptionManufacturerModel No.Asset #Serial #Cal Due Spectrum Analyzer Rhode & SchwarzFSV30U-24810136727 Aug 2024 Page 4 of 105 1.4Test Summary Cross Reference Test ItemFCC RequirementIC RequirementTest MethodResult Antenna Requirement FCC Part 95, Subpart G Section 95.2141 (a) RSS-Gen-Issue 5 Section 6.8 ---Pass Minimum 26dB Bandwidth FCC Part 95, Subpart G Section 95.2173 RSS-Gen-Issue 5 Section 6.7 ANSI C63.26 (2015) Section 5.4 Pass 99…

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