ATC-873 is a low power wireless module used for short distance wireless data transmission. This module has the functions of bi-directional data sign transmission, testing and control. It is used for wireless meter reading, such as water meter, electric meter and gas meter, parking meter, intelligent card, electronic weighing apparatus, meter for checking on work attendance, queue wireless meter, building control, shipping company control, alarm system, intelligent equipment, Automatic data collecting system; Industrial remote control and remote test building automation, safety and security, powerhouse equipment wireless monitor, entrance control system, etc. It provide the USB power interface to be convenient for the mini computer and PC users if necessary.
The ATC-873 is a mini power wireless module designed for short-distance bi-directional data transmission. It operates in ISM frequency bands (433MHz, 315/868/915MHz) with ultra-low power consumption and high reliability. The device supports transparent data transmission and includes features like watchdog monitoring and selectable sleep modes to optimize battery life for applications such as meter reading and building automation.
| Modulation mode | GFSK |
|---|---|
| Working frequency | 433MHz |
| Interface type | TTL interface |
| Transmission power | <50mW |
| Receiving sensitivity | -123dBm |
| Transmitting current | <360mA |
| Receiving current | <45mA |
| Sleeping current | <100uA |
| Change time for receiving and sending | <10ms |
| Working temperature | -20°C ~ 65°C |
| Dimension | 44mm x 27mm x 8mm |
The transmission power is less than 50mW.
Available speeds include 1200, 2400, 4800, 9600, 19200, and 38400 Bps.
The module uses a DC power supply with voltage of +9-12V.
Yes, it has sleeping and no-sleeping versions with a sleeping current of less than 100uA.