TTL serial port for serial port, you can link directly to the micro-controller. Don’t need MAX232. Power module automatically boots, homing network. Onboard signal lights all the way. It flashes slowly when there is a signal, it flashes quickly when there is no signal.
TTL serial port for serial port, you can link directly to the micro-controller. Don’t need MAX232. Power module automatically boots, homing network. Onboard signal lights all the way. It flashes slowly when there is a signal, it flashes quickly when there is no signal.
Network support: Quad-Band 850/900/1800/1900 MHz ? works on GSM?networks in all countries across the world. TTL serial interface compatible with 3.3V and 5V MCU the small size is suitable for all kinds of sleeve belt type and embedded. Power supply:?5 -20 V. Power Interface:?2.54 mm Pin header or??MICRO USB interface.
Standard AT commands Item Weight: 4.54 g Package Dimensions: 12.1 x 10.6 x 0.2 cm Adjustable serial baud-rate from 1200 to 115200 bps Single supply voltage: 3.4V – 4.5V Power saving mode: Typical power consumption in SLEEP mode is 1.5mA Frequency bands: SIM900A Dual-band: EGSM900, DCS1800. The SIM900A can search the two frequency bands automatically. The frequency bands also can…
High quality relay used 1-Channel Relay interface board Equipped with high-current relay : 12A @ 125V or 10AA @ 250V A Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM)
Compatibility: 18650/18500 lithium battery Type: Single Cell No. of Rings in Package: 10 Outer Ring Diameter is 17mm Inner Ring Diameter is 10mm Thickness: 0.25mm
