Grandstream RFID Key Fob for GDS3710 and the USB RFID Card Reader GDS37x0-FOB Brand_Simzo they also give users an

they also give users an opportunity to leverage the full potential of increasingly popular IP-based networking solutions - such as security systems - at a budget price

to significantly improve device performance

Working temperature & Humidity: -10°C ~ +50°C / 20% ~ 80%

USB-A and Type-C connectivity

Speaker size: 28mm

Grandstream RFID Key Fob for GDS3710 and the USB RFID Card Reader GDS37x0-FOB Brand_Simzo they also give users anGrandstream RFID Key Fob for GDS3710 and the USB RFID Card Reader GDS37x0 FOB Grandstream GDS37x0 key fobs are designed to provide secure, contactless entry control with the Grandstream GDS3710 IP Video Door Phone and USB RFID Card Reader. They are 125 kHz RFID units. This package contains 10 blue plastic keyfobs. They are IP67 IP68 rated with a lifespan of over 100,000 times. Grandstream GDS37x0 Fob Quick Specs: RFID Frequency : 125 kHz Operating