10PCS Call Bell Emergency Pager Call Button for Wireless Calling System Hospital Patient the Elderly Best F4466B
For home or hospital use, when a patient has an emergency, he/she presses the SOS button, which sends a signal to the central receiver. This transmitter adopts learning code chip, it can be used with any of the 433MHz receivers in our store.
- Small, compact size, low current draw
- RF frequency: 433.92MHz
- Modulation Mode: ASK (AM)
- Working chip: learning code
- Power: 12V/23A battery (included)
- Working current: 6mA
- Emission Distance: 500m (open area)
- Working temperature: -10°C to 50°C
- Weight: 30g / 0.06lb
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