Catalog > Internet of Things (IOT) Related Products > More Platforms SIM808 Development Board SIM808 Development Board ACM GSM/GPRS DEV BOARD SIM808 SIM808 DEV. BOARD (GSM+GPRS+GPS, REPLACING SIM908) Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications 5-18V power supply supported.USB port can be very convenient.Serial USB TTL compatible for 2.85V, 3.3V and 5v signalGSM, GPRS, GPS {text messaging, data transmission, positioning} triple function.Quad-band communications, globally available. , AT command operation, can support SMS, phone, GPRS data, GPS data is automatically output, embedded TCP protocol to support transparent mode and command mode, supports HTTP protocol to support DTMF decoding, support MMS, support recording function, and so on.IPX antenna connectorReserved USB port (not solder) available for changing firmware. So you can update for bluetooth.Shipment is board only, without antennas or any other accessories.Board dimension 54*43 mm. Downloads Eagle Files - GPRS+GSM+GPS Shield v1.0 ZIP File 87.80 KB Hardware Design - SIM808 V1.02 PDF File 3.74 MB Application Note - SIM800 Series GNSS V1.00 PDF File 205.38 KB Manual - SIM800 Series AT Command _V1.09 PDF File 3.07 MB Manual - SIM800 Series AT Command _V1.05 PDF File 4.08 MB Datasheet - SIM808 GPRS PDF File 887.99 KB References Simcom Tester