Wireless Talk Back Safety Helmet Accessories
Model Number:YS-DJ-02(T)
Product overview:
Wireless talkback safety helmet, without external
terminal equipment, Direct wirelessintercom
between safety helmets.
Technical characteristics:
1. more than one two-way synchronous intercom.
2. transmit power 1W, calling distance 2-5 kilometers.
3. free networking, the number is not limited.
4., one button switch, the launch button to control the launch.
Housing ABS material, can be inserted in the left and right sides of the helmet
Technical parameter:
Parameter | Minimum | Typical | Maximum | Unit |
Operating Voltage Range | 3.3 | 4.2 | 5.5 | V |
Working Temperature Range | -30 | 25 | 70 | ℃ |
Sleep Current is Less Than | | ≤3 | | uA |
Receive Current | | 60 | | mA |
Emission Current | | 650 | 750 | mA |
Emission Current | | 450 | 550 | mA |
Operating Frequency Range | 400 | 450 | 480 | MHZ |
Transmit Power (High Power) | 28 | 29.5 | 31 | dBm |
Transmit Power (Low Power) | 25 | 26.5 | 27 | dBm |
Modulation Sensitivity |