U-BLOX NEO-6M module, with high gain active antenna, TTL level, compatible with 3.3V / 5V system; Default baud is 38400, can change into 9600 with jumper; With IPX interface, can connect various active antenna;
GPRS module is a breakout board and minimum system of SIM900 Quad-band GSM/GPRS module. It can communicate with controllers via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands). This module supports software power on and reset.
Featuring an industry-standard interface, the SIM900 delivers GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption. With a tiny configuration of 24mm x 24mm x 3 mm, SIM900 can fit almost all the space requirements in your M2M applications, especially for slim and compact demands of...
This GSM Modem can accept any GSM network operator SIM card and act just like a mobile phone with its own unique phone number. Advantage of using this modem will be that you can use its RS232 port to communicate and develop embedded applications. Applications like SMS Control, data transfer, remote control and logging can be developed easily.
This small size Bluetooth 4.0 TTL transceiver module allows your target device communicate with your iPhone/iPAD,Android 4.3 above devices. It's easy to use and completely encapsulated. You can set it as slave or master. You can use AT command set the baudrate.