Single Channel Digital UHF Wireless Receiver [Engineering Enhancement Model]
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Single Channel Digital UHF Wireless Receiver [Engineering Enhancement Model]

Based on the DT220 TECH platform, it is suitable for all transmitters of the 220 series. With the engineering transmitter, 300M ultra-long transmission can be achieved.





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Based on the DT220 TECH platform, it is suitable for all transmitters of the 220 series. With the engineering transmitter, 300M ultra-long transmission can be achieved.






 Digital Audio UHF Wireless System 

  DTR225-1TE

  Single Channel Digital UHF Wireless Receiver 

  [Engineering Enchancement Model]

  

 

  *GAODIMIC®  Products of the same brand and model are consistent with this product.

   

       4th Generation Tech Platform


Application Scenarios


1. In large-scale performance sound projects, replace the cable of wired microphone;

2. Used for pickup and forwarding of various sound sources (instruments, harmony, chorus) on stage;

3. Audio forwarding in large scenic spots, remote wireless transmission and control of matrix audio.


Characteristic


. Digital audio 600MHz wireless technology

. The maximum effective transmission distance can reach 300 meters

. Support relay interface, can control the speaker switch

. True diversity

. PI/4 DQPSK modulation

. Wireless transmission frequency response 20Hz~20KHz.

. In the 20~20KHz frequency band, attenuation <2dB.

. In the 20~20KHz frequency band, the phase deviation is 30°~60°.

. Delay 4.17ms

. Signal-to-noise ratio>101dB

. Transmission distance>300M

. Signal-to-noise ratio>100dB (with AP device detection screenshot).

. OLED color screen, rich functions.

. Supports sound measurement.



Parameters


Communication Parameters

Freq. Band

668~698MHz


Modulation Mode

Pi/4 DQPSK


Transmission Distance

>300 m (MAX with flagship type Transmitter)(Related to wireless environment)


Transmission Concurrency

12 simultaneous transmissions


S/N>101dB

Freq. Response

20Hz-20KHz


Transmission Delay

<4ms


Distortion T.H.D

<0.03% (@1KHz)


Sound Parameters

Mic TypeSuppor Earphones or Collar microphones

Sensitivity

-

Freq. Response-

Output Impedance

-

Directivity

-

Physical and Electrical Indicators

Power Supply

18650 Li battery


Power Interface

USB - C


Endurance

>18h


Size

35mm *100mm * 142mm ( without antenna) / 322g


Launch Connector

Cannon Interface


Function

Power, external antenna, wireless channel scanning, relay module


Questions Frequently Asked 


1. When multiple devices are used simultaneously, improper frequency setting can easily lead to performance degradation due to intermodulation interference.


Notes


  1. This model of product is recommended to be used in conjunction with iweex ® Unpredictable ® Brand, same technology platform, model DTR22X ("X" is any number) receiver device.

  2. Please use a legitimate and qualified product battery! Fake and inferior batteries may cause leakage or even explosions. If any abnormalities are found in the battery, please stop the equipment immediately and replace it to avoid the risk of explosion or equipment damage!


Documents


1_Manual_EN_GAODIMIC (DTR225-1TE)_Digital Audio UHF Wireless System_Rack Rx(Engineering Edition Enhanced)_2024.07.14


Lastest Firmware Refereced


Released Date 2025.1.13GAODIMIC_DTR225-1TE_RX_V129_20250113.bin


The device supports OTA upgrade, and please rerfer to the OTA upgrade guide. 

It is recommended to upgrade under guidance, or return to the manufacturer for upgrade, or have the upgrade performed by a designated repair shop.

Please perform OTA upgrades in compliance with local regulations.

Incorrect OTA upgrade operations may cause device software damage and inability to boot. Please assess the risks yourself!













Standard Accessories:

=========================

USB-C rechager *1

USB-C recharge cable *1

600Mhz Antenna *2

500Mhz Antenna *2

Manual *1

Qualification certificate *1