1. Supports infrared frequency matching, 200 channel free selection, and four channel true diversity. Multiple systems can be set up for use in the same session to avoid mutual interference with other wireless products.

2. Built in multiple sensors, wireless detection, wireless control, wireless matching, and wireless automatic management, can help you complete your work smoothly without any assistance.

3. Built in equalizer adjusts the signal output of the system to meet different conference requirements.  

4. Support antenna switching to receive signal mode, select antenna port by toggle switch: use conventional antenna or use antenna amplifier to receive board; Equipped with built-in antenna power supply, eliminating the need for external devices, increasing wireless distance and stability of wireless transmission, and adapting to various special venue environments.

5. Support seamless integration of microphone units, allowing for easy replacement or addition of microphone units without interrupting the conference process.

6. The TFT 2.68-inch color high-definition display screen features high brightness, high contrast, wide viewing angle, and a graded menu design, making operation simple and convenient.

7. Adopting the unique patented ATGAT technology (automatic time slot allocation technology), the optimal frequency is automatically selected for communication without the need for manual setting of the operating frequency.

8. When multiple receivers are working simultaneously, each receiver will automatically avoid the frequency points already selected by other receivers for operation, without the need for manual intervention and intelligent installation.

9. Support automatic synchronization of radar frequency selection. When the microphone units are in the same address code, the receiver will change the communication channel, and all microphone units will automatically follow the synchronization, eliminating the need for professional debugging and installation.

10. Humanized features: high-definition voice restoration, super directional angle of 60 °, sound detection, unique battery life power supply, interference rejection, wireless voice distribution.

11. The unique shuttle function knob allows users to choose various channel functions according to their needs, eliminating the problem of traditional buttons being too many and difficult for users to operate.

12. PLL phase-locked loop frequency synthesis technology.

13. Noise lock mute control+audio code navigation lock mute control.

14. Audio dynamic expansion and automatic level control circuit.

15. The receiver circuit and casing have strengthened their connection with the ground wire, ensuring the ability to withstand static electricity up to 8000V.

16. The receiver adopts a full metal structure design, dignified and elegant, with a standard 1U design, stable and sturdy, and can be installed in a 19 inch standard cabinet.

17. The microphone unit is made of engineering plastic material and features a novel exterior design, with a built-in antenna that is aesthetically pleasing and appropriate.

★ 18. Complies with the national standard GB/T17618-1998.

19. Communication method: Wireless UHF communication, 640-690MHz

20. Maximum modulation degree: ± 45KHz

21. Working frequency points: 200

22. Frequency response: 50Hz-15KHz

23. Total audio gain: ≤ 20dB

24. Signal to noise ratio:>85dB

25. Frequency stability: ± 0.002%

26. Total harmonic distortion of audio: ≤ 0.8%

27. Antenna program: Four channels: 4 x 200mm antenna, BNC/50 Ω card antenna base.

28. Transmission distance:>100m, with an open space of over 150m

29. Display: TFT 2.68-inch color high-definition display screen

30. Power supply: DC12V, ≥ 1A

31. Working temperature: -10 ℃ -40 ℃

32. Size: 420mm x 215mm x 50mm (excluding antenna)

33. Four channels: 2.1kg (excluding antenna)

34. Handheld parameters:

34.1 Communication method: Wireless UHF communication, 640-690MHz

34.2 Maximum modulation degree: ± 45KHz

34.3 Frequency response: 50-16kHz

34.4 Harmonic radiation:<-65dBm

34.5RF power output: 10mW

34.6 Antenna Program: Built in Spiral Antenna

34.7 Sound pickup microphone core dynamic coil microphone core

34.8 Audio dynamic range: ≥ 99dB

34.9 Display: Monochrome display screen; Menu: System status, speaking time, volume

34.10 Power supply: Two No. 5 alkaline or nickel hydrogen batteries

34.11 Current consumption: 118mA (2.6V)

34.12 battery life: approximately 4-6 hours

34.13 Reference speech distance: 30cm-60cm

34.14 Working temperature: -10 ℃ -40 ℃

34.15 Size: L=275mm; R=38mm

34.16 Weight: 230g (excluding battery)