Part Number: GSM/GPRS/GNSS HAT GSM/GPRS/GNSS/Bluetooth HAT for , Based on SIM868 This is a handy, low power HAT which features multi communication functionalities: GSM, GPRS, GNSS and Bluetooth. It allows your Pi to easily make a telephone call, send messages, connect to wireless Internet, global position, fer data via Bluetooth, and so on. Standard for 40PIN GPIO extension header, supports for series boards Supports SMS, phone call, GPRS, DTMF, HTTP, , , email, etc. Support GPS, COMPASS, Glonass, LBS base station positioning, omni-positioning. Bluetooth 3.0, supports data ferring through Bluetooth. Onboard USB TO UART converter CP2102 for UART debugging Color: As Shown Material: Plastic+Metal Package Contents: 1 * GSM/GPRS/GNSS HAT 1 * GSM antenna 1 * GPS External Antenna (B) 1 * Bluetooth antenna 1 * USB type A male to Micro-male cable 2 * RPi copper pillar packs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.