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Appello Protocol Implementation Guide
The Appello Protocol represents a sophisticated communication standard designed for high-reliability GPS tracking across diverse environments. Whether managing the safety of domestic pets with the Appello 4P or overseeing large-scale commercial fleets with the Appello 5109, this protocol ensures seamless data transmission and precise positioning.
This implementation guide provides a deep technical dive into the hardware architecture, terminal wiring configurations, and the industrial SMS command set required to authorize, configure, and control Appello-enabled devices. By integrating advanced 4G LTE connectivity with triple-mode positioning (GPS+LBS+WiFi), Appello devices offer unparalleled asset visibility and remote immobilizer capabilities for modern security needs.
1. Device Comparison: Appello 4P vs. 5109
| Feature | Appello 4P (Wireless Pet/Asset) | Appello 5109 (Wired Vehicle/Fleet) |
|---|---|---|
| Power Range | Internal Battery (Wireless Charging) | 9V – 95V DC (Hardwired) |
| Dimensions | Small, Compact Collar-ready | 87mm x 50mm x 12mm |
| Standby Mode | Up to 12 Months (Deep Sleep) | Continuous (Vehicle Battery Dependent) |
| Engine Immobilizer | No | Yes (Via External Relay) |
| Water Resistance | IP65 Rated | Industrial Casing |
2. Appello 5109 Wiring Diagram & Relay Setup
[RED WIRE] —-(+)—-> Constant 12V/24V Battery
[BLACK WIRE] —-(-)—-> Chassis Ground
[ORANGE WIRE]—-(IN)—> ACC Ignition Switch
[YELLOW WIRE]—-(OUT)–> Relay Pin 86 (Signal Control)
[BLACK WIRE] —-(-)—-> Chassis Ground
[ORANGE WIRE]—-(IN)—> ACC Ignition Switch
[YELLOW WIRE]—-(OUT)–> Relay Pin 86 (Signal Control)
Visual Relay Flowchart (Fuel/Power Cut)
Appello 5109 Yellow Wire (Signal)
↓
Relay Pin 86 (Coil Input)
↓
Relay Pin 30 & 87a (Connected to Fuel Pump Wire)
↓
Circuit Breaks when SMS “555” is Received
Safety Note: Fuel cut-off commands will only execute if the GPS speed is detected below 20km/h for safety.
3. Industrial SMS Command Library
Replace 123456 with your device’s security password (default).
Initial Setup Commands
Set Admin Number: admin123456 [Space] [YourPhone]
Set APN Settings: apn123456 [Space] [YourCarrierAPN]
Set Server IP/Port: adminip123456 [Space] [IP] [Space] [Port]
Set APN Settings: apn123456 [Space] [YourCarrierAPN]
Set Server IP/Port: adminip123456 [Space] [IP] [Space] [Port]
Control & Tracking Commands
| Function | SMS Command | Response Example |
|---|---|---|
| Instant Location | G123456# | Google Maps URL + Lat/Long |
| Cut Engine (Relay ON) | 555 | “Stop engine Succeed” |
| Resume Engine (Relay OFF) | 666 | “Resume engine Succeed” |
| Set Heartbeat | hbt123456 5 | Sets heartbeat every 5 minutes |
| Hardware Reboot | CQ | “System Reset OK” |
| Check Status | CXZT | Battery %, Signal Strength, GPS Status |
