Car HDMI adapter Ottocast PCS46 with 2/3/4G SIM card support for Android

The Ottocast OtooAiBox P3 (model PCS46) is an in-car HDMI adapter for Android-based head units that enables wireless and wired connectivity between mobile devices and the vehicle display. It supports Android Auto, CarPlay and the Ottodrive 2.0 OS, and includes a SIM card slot for 2G/3G/4G LTE connectivity to provide mobile data directly to the car. The device runs Android 12 on a Qualcomm Snapdragon 665 octa-core processor and offers 8 GB RAM and 128 GB internal storage.

Advantages

The adapter provides dual-band Wi‑Fi (2.4 GHz and 5 GHz), Bluetooth 5.0 and an HDMI output for connection to external screens. It supports screen splitting, home‑page customization and interface color adjustments, and can control various car functions. Designed to operate in a wide temperature range (‑30 °C to 75 °C), it also supports FOTA firmware updates for convenient software maintenance.

Suitable for

• Adding mobile data (2G/3G/4G LTE) to Android head units
• Screen mirroring and media playback via HDMI
• Using Android Auto, CarPlay or Ottodrive 2.0 apps on the car display
• Upgrading older in‑car systems with wireless connectivity (Wi‑Fi/Bluetooth)

Key specifications

• Manufacturer: Ottocast
• Model: P3 (PCS46)
• Processor: Qualcomm Snapdragon 665 Octa‑core, up to 2.0 GHz
• Operating system: Android 12
• Memory: 8 GB RAM
• Storage: 128 GB ROM
• Wi‑Fi: 2.4 GHz + 5 GHz
• Bluetooth: 5.0
• SIM support: Nano SIM 2G/3G/4G LTE
• HDMI: Yes
• Power: USB 5 V ~ 1 A
• Operating temperature: -30 °C to 75 °C
• Dimensions: 80 x 80 x 18 mm
• Color: Black

How to use

Connect the Ottocast OtooAiBox P3 to the vehicle head unit via the HDMI port and power it using the supplied power cable (USB 5 V ~ 1 A). Insert a compatible nano SIM card to enable mobile network access. Pair mobile devices via Wi‑Fi or Bluetooth, or use wired USB connections as supported. Configure Android Auto, CarPlay or Ottodrive 2.0 on the head unit and use the on‑screen options to customize the interface, split the screen and manage apps.

Recommendations

For stable performance, use a reliable mobile data plan and ensure the adapter receives adequate ventilation. Keep firmware updated via FOTA and follow vehicle manufacturer guidelines when accessing car‑control features.