Dispaly 3 calling of 4-digits number at one time from 0000 to 9999 beginning with "abCdEF" latter.
Range
To achieve a wireless calling system with a range of 500 meters in open areas and 80-100 meters indoors, you would need to consider several factors:
- Wireless Technology
- Transmission Power
- Antenna Design
- Obstacle Mitigation
- Frequency Band
- Interference Mitigation
- System Optimization
Waterproof
Waterproofing a wireless calling system is essential, especially if it's intended for outdoor or potentially wet environments like restaurants with outdoor seating areas, poolsides, or other outdoor venues.
Here's how you can waterproof such a system
- Waterproof Enclosures
- Sealed Connectors
- Waterproof Buttons and Displays
- Antenna Placement
- Waterproof Cabling
- Testing
- Maintenance
- Someone need help,just press the button
- the calling ssyatem sends the signal to the panel
- the waiter offer the service after receiving the message
- after received the signal, the panel will show the numbers with ring sound
Suitable for various Occassion
- Restaurant
- Hospital
- Tavern
- Coffee Shop
Technical pecifications
-
Parameters
- Product Model : E-400 WH
- Frequency: 433.92MHZ
- Working voltage: DC12V
- Working Current: ≤1A
- Audio output: 2W
- Sensitivity: ≥-105dB
- Size: 200x130x30mm
Function List
- F--1 Save / Delete Call Buttons
- F--2 Save / Delete Remote Control
- F--3 Set Display Mode
- F--4 Set 1 Key / Multi key Mode
- F--5 Set Volume / Ring Tone
- F--6 Restore Factory Setting
- F--7 Set Current Time & Date
-
Features
- Display 3 callings of 4-digit number at one time from 0000 to 9999 beginningwith
"AbCdEF" letter - Work with 400pcs of call buttons in max
- Cancel ways : press " Cancel " key on call buttons / automatically cancel / press
"ENT" key on display - Rolling display last 30 pending calls in max
- Display current time & date when stand-by
- Different indication for different service types
- Adjustable ringtone & volume
- Installation : Desktop type / Wall mounted
- Support External speaker
- Display 3 callings of 4-digit number at one time from 0000 to 9999 beginningwith