
SOS & ECALL
E-call system can be designed and developed according to specified requirements in both shape and installation structure. The circuit and wiring harness design scheme meets the requirements of the European Union, the Middle East, Australia, and Russia.
• Driving Date Monitoring & Reporting
• OTA Upgrade
• Vehicle Positioning
• Self-Diagnosis
• Location Cache
• Solar & USB Charging
Products

e-Call Speaker
Impedance ············ 4Ω±20%(1Vrms at 600Hz at20℃)
Sound Pressure Level ···················· 82±2 dB @ 1w/1m
At 500, 800,1500,2000 Hz AVG (at20℃)
Resonance Frequency ····························· 260Hz±20%
Frequency Range ······································ Fo ~10KHz
Input Power ·································· Rated 4W / Max.8W
Distortion ··································· <2.5% Max. at 1W(2V)
Waterproof ································································ IP52
Effective Stroke ······················································ 1.3mm
Maximum Stroke ···················································· 2.7mm

SOS
Voltage ································································· 8±10% V
Typical Working Current ························· 7±10% mA
Max. Working Current ···························· 15±10% mA
Sensitivity ················································ -10.5±2.5dB
Max. Sound Pressure Input ······························ 116dB
Distortion ······································································ ≤1%
Directivity ·········································· Omni-directional
SNR ·········································································· >=63dB
Frequency Domain ···································· 100~10kHz
Working Temperature ······························· -40~+85℃
Store Temperature ······································ -40~+95℃

UBI
Working voltage ········································ DC4.2-4.8V
Working current ·············· About 200mA @ dc4.5v
Low power consumption current ····· Less than 1mA
Battery capacity ········· 800mAh,internal battery NiMH
BLE ······································ BLE interface(optional)
Sensor ······················ up to 500,000 tracking points
FOTA ······················································ FOTA Available
Figuration setup ······ APP setup system figuration
Solar panel Charging power ··························· 0.4W
Humidity ················································· 5%RH~95%RH
Working temperature ············· – 20 ° C to + 70 ° C
Storage temperature ·························· -25°C ~ +75°C
Applications
Emergency Rescue (e-Call)
Roadside Assistance(b-Call)
Why Choose KEPO
1. Simulation

Sound Pressure Level

Outfield sound pressure level

Magnetic Flux Density
2. Structural Analysis

Basin Frame Drop Deformation

Ring Buckling

Vibration System Movement
3. Experimental Ability

Anechoic Chamber

R & D Equipment

Quality Test
4. Automatic Production Line

Full Automatic Production Line-1

Full Automatic Production Line-1
