2.4 G wireless microphone – SM913C： Succinct designs, pl able gooseneck microphone with light ring, convenient packing and shipping, the standard aviation 4P head with Lock tight joint, stable and reliable.
This system adopt the most public 2.4G band in the world, the installation without any application, the advanced 2.4G frequency hopping and digital transmission technology, which greatly reduces the variety of interference signals on the system operation.
2.4G has a unique transmission characteristic, Difficult to bypass the big obstacles, the signal hardly to be out of conference room, digital transmission technology, the consummate communication protocol, maximum guarantee of meeting security. System that can meet the needs of ordinary fixed conference room, and can also set up a mobile conference room, and in the convenient premise, providing a highly reliable conferencing solution.
Microphone may use two common 1.5V AA batteries, and also support the 1.2V NI-MH battery, standby time up to 20 hours, And continuous speech 7 hours.
Characteristics：
Pl able gooseneck microphone with light ring
High sensitivity, effective pick-up range up to 50CM
Speech by red lights instructions
FIFO model
Support 255 pcs microphone include chairman unit / cochairman unit
Supports up to 4 microphone Units speaking at the same time
The red lights double prompt, prompt content: microphones address, VIP
Chairman Unit can override all the active delegate units and approve or reject delegates who request to speak. When Chairman Microphone is turned on, the representative microphone can not open until Chairman Microphone close, support 3 Chairman microphone units.
The microphone can be set through the switch is the VIP microphone, VIP microphone not closed by the Chairman microphone, Support 3 pieces VIP microphone.
Microphone may use two common 1.5V AA batteries, and also support the NI-MH battery, standby time up to 20 hours, And continuous speech 7 hours.
Technology parameters：
MODEL | SM913C/SM913D |
frequency | 2.400-2.500 Digital frequency hopping |
Pickup distance | 30m±5m Use 11 dB antenna in visible distance |
Audio output amplitude | <0dB 20CM distance speeches typically 200MV |
Frequency response | 100Hz-18KHz |
THD&SNR | ≥80 dB |
Power supply | 2．4/3V DC |
sensitivity | -38dB±2dB |
Chairman unit electric current | 60/86mA±3mA standby mode / working mode，3V |
Delegate unit electric current | 60/82mA±3mA standby mode / working mode，3V |
