GTX Series L.A.W.N.

Local Area
Wireless Mic Network

GTX Series System

The GTX Series provides professional-quality wireless without the need to coordinate frequencies and without causing interference or creating intermodulation products.

The completely digital UWB pulse technology allows you to operate without a license, database registration or STAs in a portion of the RF spectrum that’s not subject to overcrowding or FCC repacking. And since the GTX Series emits less intentional radiation than the typical PC, you don’t have to worry about it interfering with surrounding signals, making it ideal for studio-to-studio operation.

Freedom from coordination, freedom from spectrum grabs, freedom from licensing, fees and registration – and the freedom to operate 24 simultaneous, interference-free channels. That’s GTX Series freedom. That’s professional freedom.

Alteros GTX System

Only 3 Main Components

Unlike legacy wireless systems which require specialized antennas, filters, combiners, distribution amplifiers and expensive connecting cables, the GTX Series requires only three components to operate:

  • GTX3224 control unit (Ethernet) or GTX3224F control unit (fiber)
  • GTX32 transceivers
  • Transmitters – GTX24 Body-pack and Handheld Transmitters

The GTX32 transceivers connect back to the GTX3224 control unit via standard Cat 5 cable in a home-run configuration to define and cover the operating space. Once the transceivers are connected to the main control unit and the transmitters are turned on, the system is ready to go – no frequency coordination, license, database registration, STA or other permission is required.

GTX 3 Components

GTX X-Op Control Software

The GTX X-Op control software runs on a PC connected to the GTX3224 Ethernet Port. It provides comprehensive system control including naming mics, mic gain, routing of the audio signals to MADI, and more.

Screens help manage Transmitters, Receivers, TX RX Matrix, Audio Groups, Data Logger and Settings for the system.

GTX X-OP Control Software

GTX Components

GTX3224 and GTX3224F Control Units

The GTX3224 control unit (and the GTX3224F Fiber Control Unit) is the primary component of the GTX Series, powering and controlling the system and its outputs. The durable, 3U rack-mount unit features a 7″ touchscreen GUI; MADI BNC/fiber, Dante and AES67 digital outputs; headphone output with volume control; 32 transceiver inputs; and two fully independent IEC cable AC input power supplies. Available in 8-channel, 16-channel and 24-channel models with additional channel licenses available via an easy firmware upgrade.

GTX3224 Control Unit

GTX32 Transceiver

Remote antenna/receiver unit that wirelessly transmits control/sync information for up to 24 GTX24 transmitters. Up to 32 transceivers connect to the GTX3224 control unit via Cat 5 cable, with a proprietary communication protocol enabling cable runs up to 1,000 feet without signal degradation. Transceiver is equipped with both 5/8″-27 and 1/4″-20 mounting threads.

GTX32 Transceiver

GTX24-HHP and GTX24-HHB Microphone Transmitters

The GTX24-HHP (performer handheld) version wireless mic is intended for live performance applications and features a lightweight, comfortable design.

The GTX24-HHB (broadcast handheld) version wireless mic includes additional features such as a dedicated “flag mount” section and incorporated “talkback button.”

Both models accept popular thread-on microphone capsules using a 1.25″/28 thread pitch, allowing the performer to select the preferred microphone sound and performance from a wide range of manufacturers, including the new selection of Audio-Technica capsules.

GTX24-HHP and GTX24-HHB Microphone Transmitters

GTX24 Body-Pack Transmitters

Transmits true-digital, no-continuous-carrier UWB pulses. Equipped with soft-touch controls and powered by two AA batteries.

GTX24-3 – Body-pack transmitter with 3-pin LEMO connector. Compatible with the GTX899 lavalier microphone and the GTX899SW lavalier microphone with in-line talk-back switch, sold separately.

GTX24-2 – Body-pack transmitter with 2-pin LEMO connector. Compatible with other manufacturers’ popular broadcast-quality lavalier microphones.

GTX24 Body Pack Transmitter

GTX899 Omnidirectional Lavalier Microphone

Omnidirectional lavalier microphone with LEMO connector compatible with GTX systems.

GTX899SW Omnidirectional Lavalier Microphone with In-line Talk-back Switch

Omnidirectional lavalier microphone with in-line talk-back switch and LEMO connector compatible with GTX systems.

GTX899 Omnidirectional Lavalier Microphone

GTX-FX8 Fiber Breakout Unit

Fiber connections measured in miles instead of feet can connect the GTX3224F control unit to up to six GTX-FX8 8-port fiber breakout nodes for remote Cat 5 connection to the network and power for to up to 48 GTX32 transceivers (up to 16 GTX32s can be connected directly to the GTX3224F by Cat 5 for a total capability of 64).

GTX-FX8 Fiber Breakout Unit

SWX8 – 8-Port Cat 5 Switch

Passive switch for failover and routing.

SWX8C – 8-Port Cat 5 Switch

Control switch for failover, routing and control.

Alteros offers switches and accompanying software that can be used to connect GTX systems for either facility- or location-wide zoning. In addition, these switches can be used to provide immediate failover redundancy for GTX3224 control units. Each switch handles 8 channels of audio or GTX32 transceivers (depending on setup). Multiple SWX8 passive switches and SWX8C control switches can be used.

SWX8C and SWX8 Switches

X-Switch Control Software

X-Switch external switch control software provides easy set-up and access to the many features and advantages provided when utilizing the SWX-8C in a GTX L.A.W.N system.

In addition to easy configuration and routing control, the software allows for the end user to place images of actual system locations making it especially easy to identify desired operating zones. The software remotely controls re-routing zone selection or full system “failover switching” with a mere selection of a button.

X-Switch External Switch Control
GTX3224 Front & Rear Features
GTX3224F Front & Rear Features
GTX System Diagram

GTX Series Fiber Wireless Mic System Application Examples

Examples of multiple location fiber set-up/configurations for GTX3224F Main Control Unit, GTX32 transceivers, GTX24 transmitters and the GTX-FX8 fiber break out boxes.

GTX Features

  • Low, “real-time” latency – (< 3 ms) suitable for demanding professional environments
  • 24-channel simultaneous operation
  • 24-bit/48 kHz professional audio performance – no analog companding during transmission and full-frequency response (20–20,000 Hz) for excellent sound quality
  • Excellent dynamic range
  • Real-time battery gauge on the GTX3224 control unit’s GUI displays the operational time left for each transmitter and allows user to set custom “battery level alerts”
  • Optional microphone with in-line talk-back switch eliminates the need for a separate wired talk-back box – allows talent to easily speak to production people or use the talk-back function as a momentary “cough switch”
  • Transmitter gain can be set via GUI controls on the GTX3224, via the X-Op Control software, or by the user on the GTX24 body-pack transmitter – settings are automatically updated and displayed on each
  • Each system can be set to operate on a unique system ID – This prevents accidental reception and audio output between systems set up in two different locations/studios
  • Monitor any channel from GTX3224’s headphone output – with volume control
  • Two entirely separate, fully redundant AC power supplies – with corresponding indicator LEDs that ensure the GTX3224’s continued operation even if one of the power supplies is lost
  • Synchronize the GTX Series directly to the house clock – video sync input on the GTX3224 allows black burst and word clock to work with a patented clock sync method. The system maintains a perfect match throughout the facility for the entire audio chain, including over-the-air sync from every GTX24 transmitter. The system also has an accurate internal clock which automatically takes over and syncs the system should the house clock be lost
  • MADI, Dante™ and AES67 outputs – available for easy connection to any standard MADI and network audio used in studio, remote or install/theater settings for multiplatform operation. The outputs can be used simultaneously — the user does not have to choose which format to install or use
  • Fiber output for long-distance fiber runs
  • GTX3224 includes a 7″ touchscreen GUI for easy access to system settings – monitoring tools, performance reports, and other controls
  • GTX3224 is equipped with an Ethernet port for remote monitor and control functions with the X-Op Control software
  • Powerful remote control/logger tool – operates on a PC or computer network, providing remote monitoring and control of the system, including a timestamped event logger that can track and record the performance of every GTX32 and GTX24 for up to one month