📍 Pro Tracker — iStartek (Shenzhen)
PT60-L V1.0 (EU915)
LTE Cat-1 pro tracker · audio + anti-theft · PCB rev 1.0 (mar 2023)
🎯 Chip rilevati
| Funzione | Componente | Note |
|---|---|---|
| Modem | Quectel EG915U-EU | LTE Cat-1 + 2G fallback, chipset Unisoc UIS8910DM, OpenCPU SDK |
| MCU host | Artery AT32F415CBT7 | ARM Cortex-M4 @ 150 MHz, 128KB flash, clone STM32 (€0.71/1k) |
| GPS | Quectel L76K → | Stesso chip Visla G11L SE / S21L |
| SPI Flash | 25Q16 (W25Q16 / GD25Q16) | 2MB SOIC-8 per OTA staging + log eventi |
| Connettore | microUSB ⚠️ UART riallocato | Pinout custom (cavo Prolific richiesto) |
📸 Foto PCB
🔬 Close-up chip
📡 Sniff UART live (Vodafone IT)
+QISEND: 131,0,131 (TCP send buffer status, 131-byte packet) OK +QJDR: JAMMED (jamming detection attiva!) +QJDR: NO JAMMING +CSQ: 31,99 +QNWINFO: "FDD LTE","22210","LTE BAND 20","6400" (Vodafone IT, B20) == GPRS-1 ACK Err = 13 (firmware iStartek custom, prefix '==') == GPRS-1 Send Error
I log prefisso == sono dell'MCU Artery (firmware custom iStartek), confermano architettura MCU+modem (non OpenCPU).
⚔️ Confronto vs Visla G11L SE
| Aspetto | iStartek PT60-L | Visla G11L SE |
|---|---|---|
| Modem | Quectel EG915U-EU (Unisoc) | SimCom A7670E (ASR1601) |
| Architettura | MCU + dumb modem (Artery AT32F415) | Fat modem (firmware in modem) |
| GPS | Quectel L76K | Quectel L76K (stesso) |
| Anti-jamming | ✅ +QJDR nativo | ❌ No |
| Audio (mic) | ✅ Probabile (segmento pro) | Solo S21L |
| Connettore | microUSB ⚠️ pinout custom | USB-C standard |
| SDK firmware | OpenCPU C (NDA Quectel) | ASR1601 stack chiuso |
| BOM stimata | €25-28 | €8-10 |
| Retail target | €60-100 pro | €20-30 consumer |