Wireless Digital Conference Unit (Chairman) HA-317C, Wireless Discussion Conference System Chairman Unit (OLED Display) Battery No. 5

Technical Features
1. High tech appearance design, built-in antenna, overall novel, fashionable and dignified, with a red light ring to display the working status of the microphone.
2. The speech switch button is equipped with a transparent speech pattern, which is always on when speaking
3. A 2.23-inch high brightness full view OLED display screen with clear content, capable of displaying microphone status, channel address, and battery level
4. Equipped with multifunctional buttons, after entering the menu, you can debug and view microphone parameters, edit addresses, etc.
5. Equipped with electronic volume function, the microphone speaking volume can be adjusted separately
6. The microphone head is designed based on acoustic spatial principles, combined with a new anti howling single directional high-sensitivity capacitive microphone core, to achieve high fidelity restoration of conference sound quality
7. ★ Adopting aluminum alloy square microphone, connected to the microphone base through a fixed connector, adjustable pitch angle, overall stable, high-end and atmospheric
8. New concept of anti electromagnetic interference circuit design to eliminate electromagnetic interference from electronic products such as mobile phones
9. The unit uses UHF wireless technology to transmit audio and control signals, with an effective communication distance of 50 meters indoors and 90 meters outdoors
10. Ultra low power circuit design, with a continuous speaking time of no less than 8 hours and a standby time of no less than 12 hours. You can choose between factory rechargeable lithium batteries or regular size 5 batteries
11. Chairman unit with priority key to control the atmosphere of the meeting.
12. The representative unit has multiple exit modes, and the speaking status is controlled by the chairman unit.
Parameter Specifications
Specifications
Working Voltage DC 3.7V -4.5V
Consumption Ratio Standby: ≤ 350mW, Speaking: ≤ 620mW
Display screen: 128x32 PMOLED
Operating temperature range -9 ℃ -40 ℃
Size (L × W × H) Base: 184 × 124 × 52mm
Square Mic (F-MG03): 220 * 34.5 * 24mm
Gooseneck Mic: 420mm
Weight Base: 0.53 kg
方管 Square Mic(F-MG03): 0.31kg
Gooseneck Mic: 0.07kg
Audio channel
Transmission method UHF wireless (one-way)
Number of channels: Audio channel 4
Carrier frequency band UHF512-945MHz
Modulation method FM for demodulation
Receiving sensitivity -90dBm
Maximum modulation 60K
Radiant power ≤+9dBm
Frequency deviation<>
Control signal Data control channel
Transmission method UHF wireless (bidirectional) UHF wireless (two-way)
Number of channels: Data channel 20
Transmission frequency range UHF423-436MHz
Modulation method FSK
Receiving sensitivity -90dBm
Radiation power transmission consumption ≤+7dBm
Frequency deviation<>
Data rate Communication rate 110KBPS
