The antenna is specially designed to work from under the hatch cover. Works even from a completely metal environment - on hatches with installed pods
Designed to detect the fact of a shift or opening of the hatch cover
Demanded to control the opening of hatches for cable, waste and storm sewers
For control, a specially tuned accelerometer is used, which does not respond to vibration from passing cars
There are several versions of the sensor housing (selected individually for the task)
Sensors can work in LPWAN, as well as in a two-layer system, where sensors use the BLE protocol to communicate with a repeater, which in turn transmits a signal to LPWAN
Powered by an ER14505 battery (included) rated for 50,000 messages, guaranteeing a minimum of 5 years of operation (one message per hour)
Specification
Cover opening detection time: 800 ms Time of detection of the fact of opening the cover and transmission over the radio channel: 2,000 ms Operating temperature: -40 to +60°C Ingress Protection Code: IP67 Power system type: autonomous Supply voltage: 3.6V Battery type: ER 14 505 Frequency range: 863.0-870.0 MHz Transmitter output power: 25mW
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