Size | 75mm*49mm*20mm | Frequency | 433.92Mhz |
Net Weight | 31g | Signal Coverage | 1500m free area |
Material of shelf | ABS (Imported from Taiwan) | EMC Interference | Strong |
Surface Process | Polishing | EMI Compatibility | Comply Domestic Standard |
Color | White | Battery | Alkaline Battery 23A12V |
Keys | ABS | Battery Life | 8-10 months abled |
Key Life | Million | Water Proof | General watering |
Number of key | One | Sutiabled receiver | All receivers |
More kind of call number receivers, please click here to have a look
When the caller need any assistance, he or she just press the call button, and the wireless signal will be transmitted to the receivers. And the number reciever will show the transmitter’s number with music or voice alert, and then the staff can offer service to the caller immediately.