Type: Wireless Audio
Certification: Others
Output Power: 160mW,500mW
Size:48.1*33.9
Parameters | Condition | Min. | Typ. | Max. | Unit |
Power Supply | 3.3 | 4 | 5.5 | V | |
Working temperature | -30 | 25 | 70 | ℃ | |
Current consumption | |||||
Sleep current | 65 | uA | |||
RX Current | @no voice output | 75 | mA | ||
TX current(High power) | 4.2v,@30dBm | 450 | mA | ||
RF Parameters | |||||
Working Frequency | UHF | 410 | 490 | MHz | |
Customizable frequency | 150 | 960 | MHz | ||
Default frequency value for 16 channels | UHF(1MHz interval) | 440.125 | 455.125 | MHz | |
Transmit power | Default:32dBm | 15 | 30 | 32 | dBm |
Bandwidth(BW) | 500 | KHz | |||
Receiving sensitivity | -117 | dBm | |||
voice parameters | |||||
Modulation sensitivity | 10 | 100 | mV | ||
Receive signal-to-noise ratio(SNR) | 90 | dB | |||
Frequency response | 60 | 3800 | Hz | ||
Voice output(line out) | Load 16Ω | 40 | mW | ||
Voice output power(SPK+,SPK-) | Load 8Ω | 2000 | mW | ||
Delay parameters | 2channels | 80 | ms | ||
3channels | 120 | ms | |||
4channels | 160 | ms | |||
6channels | 240 | ms | |||
8channels | 320 | ms |
Features
Applications
Pin No. | Pin name | Description |
1 | SPKOUT+ | Connect with 8 ohm 2W speaker |
2 | SPKOUT- | Connect with 8 ohm 2W speaker |
3 | MIC_N | Connected with the negative of external microphone |
4 | MIC_P | Connected with the positive of external microphone |
5,14,23 | GND | Connect to the negative pole of the power supply |
6 | LINEIN | Line in ,maximum 1VRMS |
7 | LINEOUT | Line out , Connected external16Ω earphone |
8 | Reserved | NC |
9 | 8 | the onboard 16 RF channel switch, eg. When the rotary switch changed to channel 11th, the output ( 8, 4, 2, 1 ) is: 1011: channel 11th |
10 | 4 | |
11 | 2 | |
12 | 1 | |
13 | VCC | VCC(3.3-5.5V) |
15 | SDIN | ExternalI2S(0-3.3V) |
16 | BCLK | ExternalI2S(0-3.3V) |
17 | WS | ExternalI2S(0-3.3V) |
18 | VOL-ADJ | 50K variable resistoris recommended |
19 | SD | External I2S (0-3.3V) |
20 | PTT | Press to talk, 0: RX mode, 1: Tx mode. Pull up internally |
21 | MCLK | External I2S (0-3.3V) |
22 | CS | 0: sleep, 1: working, Pull up internally. |
24 | NC |
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