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深圳市诺道科技有限公司
深圳市诺道科技有限公司
2.4G无线音视频发射模块
距离可达80-100m
立体声传输
1.1 This specification applies to VIDEO-RF modulator with sound subcarrier
processing signals.
1.2 RF transmission frequency group （Optional）
BX to GND/OPEN:
Ch1 2414/2490MHz
Ch2 2432/2510MHz
Ch3 2450/2390MHz
Ch4 2468/2370MHz
1.3 Modulation type FM
2 Mechanical Specification
PCB Dimension:
PCB Size: L×W: 24.638mm × 34.925mm
Top Layer:
3.1 Temperature -10℃ ~ +60℃
4.1 Ambient temperature：25℃
4.2 Video input voltage：1.0Vp-p.
4.3 Audio input voltage：1.0Vp-p sine wave signal 1KHz
5 Electrical characteristic
| No. | Item | specifications | Unit | Test Condition | ||
| MIN | TYP. | MAX | | |||
| 5.1.RW67TX DC Characteristics | ||||||
| 1 | Supply Voltage | 4.75 | 5V | 5.25 | VDc | |
| 2 | Current Consumption | | 110 | 125 | mA | |
| 5.2 Video Characteristics | ||||||
| 1 | Input Impedance | | 75 | | Ω | |
| 2 | Peak Deviation | | 1.2 | | MHz | MOD=sine wave 400khz 1Vp-p |
| No. | Item | specifications | Unit | Test Condition | ||
| MIN | TYP. | MAX | | |||
| 5.3 Audio Characteristics | ||||||
| 1 | Input Impedance | | 10 | | KΩ | |
| 2 | Peak Deviation | | 12 | | KHZ | 1Vp-p（1khz） |
| 3 | Pre-emphasis | | 50 | | μsec | |
5.4 Output characteristic（TX/RF）
| 5.4 RW67TX Output characteristic（TX/RF） | |||||||
| 1 | Tx Power | | 17 | | dbm | | |
| 2 | Audio subcarrier Lever | -23 | -25 | -27 | Dbc | Video and Audio index | |
| 3 | Audio subcarrier Freq. NCY | L | 5970 | 6000 | 6030 | KHZ | |
| R | 6470 | 6500 | 6530 | ||||
| J1 Pin No. | Slide Mode | J2 Pin No. | Slide Mode |
| 1 | GND | 1 | GND |
| 2 | Video | 2 | ANT |
| 3 | GND | 3 | GND |
| 4 | Audio L（6.5M） | 4 | BX（Connect GND for 2.4GHZ band） |
| 5 | GND | 5 | Channel selection 2/DATA（SPI） |
| 6 | Audio r（6.5M） | 6 | Channel selection 1/LE（SPI） |
| | | 7 | Channel selection 0/CLK（SPI） |
| | | 8 | Vcc （+5V） |
Remark:
Group1,the pin 4（BX） of J2 tie to GND:
| Transmission frequency | Contents（for J2） |
| 2490MHZ（CH1） | Pin 7 tie to GND,Pin5 and Pin6 open |
| 2510MHZ（CH2） | Pin 6 tie to GND,Pin5 and Pin7 open |
| 2390MHZ（CH3） | Pin 5 tie to GND,Pin6 and Pin7 open |
| 2370MHZ（CH4） | Keep Pin5,Pin6 and Pin7 open |
Group2, keep the pin 4（BX） of J2 open:
| Transmission frequency | Contents（for J2） |
| 2414MHZ（CH1） | Pin 7 tie to GND,Pin5 and Pin6 open |
| 2432MHZ（CH2） | Pin 6 tie to GND,Pin5 and Pin7 open |
| 2450MHZ（CH3） | Pin 5 tie to GND,Pin6 and Pin7 open |
| 2468MHZ（CH4） | Keep Pin5,Pin6 and Pin7 open |
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