Keyestudio TS - 42 SIM900 GSM Wireless Module Compatible with Arduino Main Features: ● Based on quad-band SIM900 GSM / GPRS module. ● With GSM / GPRS function. ● This shield allows you to make voice calls, send SMS or make connections to the Internet network. ● On the shield, there is a serial port toggle switch for you to select either software serial port or hardware serial port to connect to GPRS shield. ● If you choose software serial port, you need to use the software UART; otherwise, you need to use the hardware UART. ● The shield includes a high capacitor dedicated to RTC (Real Time Clock). ● If you toggle the switch to DBG port, you can connect the port to Arduino or connect the port to PC by Arduino to proceed the debugging. ● Auto-adaption to 3.3V and 5V main board. ● Supports 3.3V platforms such as leaf maple and chipKIT. ● After connecting the SIM900 shield to Arduino, 9V / 2A DC power supply is needed. Otherwise, there may be malfunction. ● Quad-band GSM / GPRS 850 / 900 / 1800 / 1900MHz (support 2G card of UNICOM, China Mobile; does not support TELECOM card).
TS - 42
Mainly Compatible with
Weight and Size
Product Size(L x W x H)
8.50 x 6.60 x 1.90 cm / 3.35 x 2.6 x 0.75 inches
Package Size(L x W x H)
9.50 x 7.60 x 2.90 cm / 3.74 x 2.99 x 1.14 inches
1 x Keyestudio TS - 42 SIM900 GSM Wireless Module, 1 x Extension Cable (22cm)
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