Zaxcom TRXCL3 Wide-Band Camera Link Transmitter


Deliver pristine audio quality with the Zaxcom TRXCL3 wide-band camera link transmitter for sound professionals in film, television or ENG applications.

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Deliver pristine audio quality with the Zaxcom TRXCL3 wide-band camera link transmitter for sound professionals in film, television or ENG applications.

Weighing 7.3 oz, it’s constructed from an impact resistant metal casing that’s cool to the touch. A bright OLED menu provides easy navigation.


The Zaxcom TRXCL3 sends audio with embedded timecode to camera via a UHF signal to QRX200, RX200 and QRX235 receivers or through ZaxNet’s 2.4 GHz signal to an ERX3TCD receiver.

A TA5 audio input offers balanced stereo line level or sample rate converting AES. The 3.5mm output delivers audio and the BNC connector provides timecode in our out.


The TRXCL3 transmits using 100% digital modulation and audio is fully encrypted to keep recordings private.


Audio can be simultaneously transmitted and internally recorded to a microSD card using MARF (Mobile Audio Recording Format) which eliminates file corruption common to recordings due to loss of power or early card removal.


The Zaxcom TRXCL3 is designed to limit intermodulation which can occur when multiple transmitters are in close proximity to each other and mix together.


ZaxNet allows you to send or receive timecode, scratch track audio and remote control commands. Zaxcom High Density (ZHD) modulation increases the number of available channels in the wireless spectrum.


  • “.5 band” (512-614 MHz)
  • “.6 band” (596-698 MHz)


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RF Modulation: Proprietary Digital Method
TRXCL3.5 RF Frequency Range: 512 - 614 MHz
TRXCL3.6 RF Frequency Range: 596 - 698 MHz
RF Frequency Step: 100 KHz
RF Bandwidth in ZHD Mode: 50 KHz
RF Bandwidth: 200 KHz
Channel Separation in ZHD Mode: as close as 100 KHz (receiver dependent)
Channel Separation in XR Mode: 400 KHz
Antenna Connector: 50 Ω SMA Female
Emission Designator: 180 KV2E
FCC Part: 74.861
Transmitter Audio 
Dynamic Range: 114 dB
Distortion: 0.002%
Frequency Response: Mode 0: 20 Hz to 16 kHz / T & M Mode 0.2 Hz to 16 kHz
System Group Delay: 3.5 ms
Audio input connector TA5 male
Analog Input Range: -10 to +4 dBu
Analog input type balanced line level
Audio input Impedance: 4.7 k Ω
ADC Bit-Depth: 24 Bits
ADC Sampling-Rate: 48 kHz
AES input Balanced with sample rate conversion
Sample rate range 32 Khz to 96 Khz
Timecode Reader / Generator 
Clock Accuracy: 1.54 PPM (1 Frame Out in 6 Hours)
Timecode Type: SMPTE
Timecode Frame-Rates: 23.98, 24, 25, 29.97NDF, 29.97DF, 30NDF, 30DF
Internal Recording 
Media: MicroSD Card (Flash Memory)
File Format: .ZAX
Recording Time: 96 Hours (16 GB Card)
2.4 GHz ZaxNet Transceiver 
RF Frequency Range: 2.403 to 2.475 GHz
RF Modulation: Digital Spread Spectrum
RF Frequency Step: 0.001 GHz (1 MHz)
RF Bandwidth: 1 MHz
Channel Separation: 2 MHz
Sensitivity: -96 dBm
RF power output TBD
Physical / Power 
Weight: 7.3 oz
Dimensions (H x W x D): 1”x 3.55” x 3.23”
Display: Graphic OLED
Power Output: 25 / 50 / 100 mW – Software Selectable
Power consumption: 2.13 watts

*Power measured pre-output band pass filter