ENC28J60 LAN Ethernet Network Board Module for Arduino/AVR/51/LPC/STM32
The ENC28J60 is a stand-alone Ethernet controller with an industry standard Serial Peripheral Interface (SPI). It is designed to serve as an Ethernet network interface for any controller equipped with SPI...
SIM300 GSM/GPRS Serial Modem with RS232, TTL and Antenna
SIM300 is a GSM/GPRS Modem with RS232.
If you get "OK" status for commands like: "AT+CMGF=1" but errors like: '+CMS ERROR: SM BL not ready' for commands like: AT+CMGL="ALL", it just means that the SIM card is not in..
This is Small SIM800L GPRS GSM Module
Micro SIM Card Core Board Quad-band TTL Serial Port with the antenna, in
this module two antennas have been included.SIM800L
GSM/GPRS module is a miniature GSM modem, which can be integrated into a
great number of IoT projects. You can use this modu..
SIM900 GSM/GPRS Serial Modem with RS232
Featuring an industry-standard interface, the SIM900A delivers GSM/GPRS 900/1800MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption. With Board size of 75x54mm, and interfacing ports of Ser..