Listen Technologies LKS-5-A1 ListenTALK GO! System, Includes LK-1 Transceiver, 3x LKR-11 Receiver Pro, LA-451 Headset 1

The ListenTALK GO! System comes pre-programmed and ready to use. Excellent for any portable one-way communications requirement including tours, simultaneous interpretation, training, etc.

Architectural Specs
Furnish a portable assistive listening system for use by the hearing-impaired. The system shall be capable of operating on the 1.9 GHz unlicensed PCS band utilizing Frequency-Hopping Spread Spectrum (FHSS) techniques allowing interference free one-way communication. The devices shall employ a multiply layer security protocol consisting of a 40-bit (pin free) group subscription, 32-bit authentication and a 64-bit encryption scheme enabling secure transmission.

They shall be easy to pair and form groups via Near-field communication (NFC), Docking Station or Software Suite. The system devices shall be simple to operate with a Power, Talk and Volume Up and Down buttons. The devices shall allow up to 10 simultaneous groups to operate in the same area. They shall be powered via a removable non-proprietary rechargeable lithium-ion battery or via an optional 3 AAA alkaline battery compartment.

The system devices shall have a 3.5 mm TRRS CTIA compliant headset connection allowing operation with a standard electret style headset. The devices shall have a 64 x 128 OLED display with auto diming allowing display of all current status (group name, volume levels, mute, battery status, time remaining, signal strength, unit ID, mode, etc.)

The leader device shall have a built-in-microphone with auto detect circuitry if users elect to use their personal ear buds. The Leader device shall have a leader clip and when inserted the unit automatically designates itself as a leader and allows the leader/presenter to control pairing/group creation.

The system devices shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 40 Hz - 15 kHz ( +/-3 dB). The devices shall incorporate automatic battery charging circuitry to charge and maintain the lithium-Ion battery either via the micro USB port or via the docking station using the additional charging contacts on the bottom of the devices.

- LK-1 Transceiver -
Designed to be the new standard for two-way mobile communications, the ListenTALK Transceiver is the smartest system available. The all-in-one device, equipped with Listen Technologies' exclusive encryption technology and push-to-talk functionality, provides the simplest option for communication and collaboration among two or more people in any environment. In addition to the included Listen Ear Speaker, ListenTALK can be used with standard smartphone earbuds or a Listen Technologies headset.

Features

• Fast and simple two-way communication
• Push-to-talk functionality
• Exclusive encryption technology for added security
• Compatible with standard earbuds and Listen Technologies headsets
• Long-lasting lithium ion rechargeable batteries
• Optional Alkaline Battery Compartment

- LKR-11 Receiver Pro -
The LKR-11 ListenTALK Receiver Pro is a one-way device designed for those participants that only need to listen to ListenTALK group conversations. The LKR -11 is equipped with Listen Technologies' ergonomic design, near field communications, encryption technology for added security, easy to use volume control and quick visible status via the OLED display. ListenTALK Receiver Pro is the simplest option for one-way communication among groups of two or more people in any environment. In addition to the included Listen Ear Speaker, ListenTALK can be used with standard smartphone earbuds or Listen Technologies headphones.

Features

• Fast and simple one-way communication
• Simple up and down volume control
• Encryption technology for added security
• Compatible with standard earbuds and Listen Technologies headphones
• Long-lasting lithium-ion rechargeable batteries
• Optional Alkaline Battery Compartment

- LA-451 Headset 1 -
Perfect for two-way communications systems including the ListenTALK Transceiver, the LA-451 earspeaker with boom mic offers exceptional audio clarity and a lightweight solution for staying connected.

Features

• Single-earpiece design provides exceptional audio clarity without blocking external sounds
• Built-in boom mic for added convenience Lightweight, compact design