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Get it between 2024-05-28 to 2024-06-04. Additional 3 business days for provincial shipping.
4G EC25-A module frequency:FDD-LTE: B2/B4/B12, 3G WCDMA:B2/B4/B5, work with USA AT&T SIM card
7CH GSM relay enable you to remote control lighting/heater/fan/irrigation system/car engine etc on APP
Rated load:Max 10A at 230VAC
Parameter settings can be done via 3 ways:iOS/Android APP software(highly recommended!), Computer software and Editting Mobile Message
Free call feature,It will reject your phone call when it recognise your phone number is pre-programmed on the authorized WHITE LIST
Description This USA AT&T 4G relay device has 7 independent relay output switches. CH.1 relay switch is activated by phone call and SMS. It will not answer your phone call and reject the calling when it recognise your phone number is pre-programmed on the authorized WHITE LIST, this will make free cost(up to your local provider charge policy). The other CH 2-7 relay switches can be remote controlled by sending SMS only. All the parameter settings can be done via 3 ways:iOS/Android APP software(highly recommended!), Computer software and send SMS. Applications: Heating in holiday homes Home or office lighting control Start engine pre-heaters Garden Irrigation systems Water well pumps Resetting of remote servers Arming and disarming security systems Access control of gates and garage doors Specification: Real-time and interactive control 7ch relay switch output Rated load:Max 10A at 230VAC Authorized white list users: Max 200 users Operating temperature:-25-+60 degree Relays can operates most of appliances Low standby power: