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Wireless 470mhz Digital Gas Price Sign with 8inch Digits
Product Attributes
Attribute
Value
Digit Height
8''
LED Type
DIP φ5mm Led Diodes
Digit Type
FR4 PCB Board
Operating Temperature
-20°C To 85°C
Communication Protocol
Wireless 470mhz > 250meters
Cabinet Material
Iron steel
Color
Yellow
Lead Time
20 Days
Product Description
470MHz wireless refers to a low-frequency radio band used for secure, long-distance data transmission in applications like fuel price displays, remote monitoring, and industrial IoT. Operating in this frequency range offers several advantages:
Features
Extended Range: Penetrates obstacles (buildings, foliage) better than higher frequencies (e.g., 2.4GHz), enabling communication over 1-10 km (line-of-sight dependent).
Interference Resistance: Less crowded than Wi-Fi/Bluetooth bands, reducing signal disruption in areas with multiple electronic devices.
Low Power Consumption: Ideal for battery-operated devices, such as remote sensors or solar-powered displays.
License-Free (Region Dependent): In many countries (e.g., EU, parts of Asia), 470MHz is license-exempt for short-range devices (SRDs), lowering deployment costs.
Weather Resilience: Stable performance in rain, snow, or extreme temperatures compared to higher frequencies.
PCB Specification
PCB Material: FR4
Thickness: 2.0mm
Copper weight: 1oz
Thermal Stress: > 288 Celsius
Dimensional Stability: E-2/150
Flammability Classification: UL94 V0
Water Absorption: E-1/105 0.10%
Peel Strength: After thermal stress 11lb./in after 10s/288 Deg.C
Resistivity after damp heat volume: 10^8 M ohms cm
Resistivity after damp heat surface: 10^8 M ohms
Dielectric breakdown parallel to laminate: >60KV
Dielectric constant @ 1MHz: 4.7
Dissipation factor @ 1MHz: 0.014
Q-resonance @ 1MHz: >75
Q-resonance @ 50MHz: >95
Arc resistance: 125s
Glass transition temperature: 135 Deg. C
Temperature index: 130 Deg.C
Specific gravity: 1.8-1.9
Rockwell hardness (M scale): 110
Thermal conductivity: 2.2-2.5 cal/h. cm Deg C
Advantages of Design
Easy installation and light weight construction.
Modular Design.
Easy maintenance.
Wireless bidirectional remote control with LCD to send price and get price change confirmation on remote screen. For screens installed closer to each other, different IP addresses can be set to prevent control interference between displays.
Distributed control architecture. Individual PCU has its own controller motherboard to control all its operations.
Parameters
Parameter
Value
Led Digit Height
201mm
Led Digit Width
119mm
Led Type
φ5mm mist DIP Led diodes
Total Led Count
112pcs
Digit PCB Material
FR4
PCB Thickness
1.6mm
Communication
Wireless RF 470mhz/433mhz
Brightness Control
6 Level
Hardware Material
Stainless Steel
Brightness of Led
4000-9000mcd
Led Lifetime
100000 hours
Operating Voltage
DC12V
Operating Temperature
-20℃ ~ 90℃
Wireless Range
> 290m
Led Color
Red/Green/Yellow/Blue/White
Type of LED
High intensity 5000-8000mcd UV protected LED.
Ultra-wide fisheye light emitting diode which enables clear visibility in direct sunlight in any viewing angle.
Customized LED light-emitting diodes specifically designed for the USA market
