PiTalk – 4G IoT HAT
PiTalk is a 4G cellular connectivity solution based on the Quectel EG25-G LTE Cat 4 module for M2M and IoT applications. PiTalk supports data rates up to 150 Mbps downlink and 50 Mbps uplink, integrates GNSS support, and, as its name implies, you can also make and receive calls or send/receive SMS messages for the device provided you connect a display, speaker, and microphone to the Raspberry Pi or other host device.

Specifications PiTalk 4G IoT HAT:
- Quectel EG25-G 4G LTE cellular  module:
- 3G and 4G LTE with 2G fallback
- Max. 150Mbps DL/ 50Mbps UL
- Global bands support
- 4G LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28
- 4G LTE-TDD: B38/B39/B40/B41
- 3G WCDMA: B1/B2/B4/B5/B6/B8/B19
- 2G GSM: B2/B3/B5/B8
- GNSS – Qualcomm IZat location technology Gen8C Lite (GPS, GLONASS, BeiDou/Compass, Galileo, and QZSS)
- Temperature Range – -40°C to +85°C (That’s for the module only)
- Cellular – 1x SMA connector, 1x U.FL connector
- GNSS – 1x U.FL connector
- NanoSIM card holder
- Audio – 3.5mm audio jack, 2-pin speaker connector
- USB – 1x USB Type-C port (for connection to the host through USB?)
- Misc – Power key; Network, Status, and Power LEDs
The 40-pin female header for connection to single board computers, e.g., Raspberry Pi, Rock SBC, etc.
Dimensions – 65 x 58 mm (Raspberry Pi HAT form factor).
Kit Content:
- 1 x PiTalk 4G IoT HAT
- 1 x Antenna
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