ขาย ~ Sim900 Gprs / Gsm บอร์ดโมดูลสําหรับเครื่องใช้ในการควบคุมระยะไกล M2M ราคาที่ดีที่สุด

#SIM900 #GPRS/GSM #Shield #Development #Board #Quad #Band #Module #for #M2M #Remote #Control #of #Appliances SIM900 GPRS/GSM Shield Development Board Quad Band Module for M2M Remote Control of Appliances 100% brand new and high quality The GPRS Shield is based on SIM900 module from SIMCOM, which provides you a way to communicate using the GSM cell phone networking. The shield allows you to achieve SMS, MMS, GPRS and UART by sending AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands). The shield also has the 12 GPIOs, 2 PWMs and an ADC of the SIM900 module(They are all 2V8 logic) present onboard. Features: Made of high quality material, solid, durable, high precision and stability, long service life. Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networking in all countries across the world. GPRS multi-slot class 10/8 GPRS mobile station class B Compliant to GSM phase 2/2+ Class 4 (2 W @ 850 / 900 MHz) Class 1 (1 W @ 1800 / 1900MHz) Control via AT commands - Standard Commands: GSM 07.07 & 07.05 Enhanced Commands: SIMCOM AT Commands. Short Message Service - so that you can send small amounts of data over the networking (ASCII or raw hexadecimal). Embedded TCP/UDP stack - allows you to upload data to a web server. RTC supported. Selectable serial port. Speaker and Headphone jacks Low power consumption - 1.5mA(sleep mode) Industrial Temperature Range - -40°C to +85 °C Application: M2M (Machine 2 Machine), remote control of appliances, remote weather station or a wireless sensor system, vehicle tracking system with a GPS module. Development board only, other accessories demo in the picture is not included! Specification: Model: SIM900 Material: Circuite Board, Electronic Components Size: app.7.6 x 5.5cm/2.99 x 2.17in Color: Blue Quantity: 1 Set Cautions: Make sure your SIM card is unlocked. The product is provided as is without an insulating enclosure. Please observe ESD precautions specially in dry (low humidity) weather. The factory default setting for the GPRS Shield UART is 19200 bps 8-N-1. (Can be changed using AT commands). Interface Introduction: Power select - select the power supply for GPRS shield(external power or 5v) Power jack - connected to external 4.8~5VDC power supply Antenna interface - connected to external antenna Serial port select - select either software serial port or hareware serial port to be connected to GPRS Shield: Hardware Serial - D0/D1 Software serial - D7/D8 Status LED - tell whether the power of SIM900 is on Net light - tell the status about SIM900 linking to the net UART of SIM900 - UART pins breakout of SIM900 Microphone - to answer the phone call Speaker - to answer the phone call GPIO,PWM and ADC of SIM900 - GPIO,PWM and ADC pins breakout of SIM900 Power key - power up and down for SIM900 Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 set x SIM900 GPRS/GSM Shield