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Quad-Band Module, Development Board Module kit 5~26 V with GSM Antenna Suitable for SIM900 850/900/1800/1900 MHz GPRS/GSM
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Quad-Band Module, Development Board Module kit 5~26 Features
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♦ 【The best baud rate for GPRS 】 communication is 19200 BPS 8-n-1 (GPRS automatically corresponds to the baud rate by default).
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♦ 【Quad-Band 850/900/1800/1900 MHz】 -Would work on GSM networks in any country in the world.
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♦ 【Control via AT commands】 -Standard commands: GSM 07.07 & 07.05 | Extended commands: SIMCOM AT commands.
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♦ 【Short Message Service】 - So that you can send small amounts of data over the network (ASCII hexadecimal).
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♦ 【Computer Debugging USB】 -TTL can be. This module is operated with: 5V-26V, 5V 2A power supply is recommended. After plugging in the motherboard, the power supply must be able to supply 2A. The reason is that the GPRS is starting current and the maximum in addition.
About Quad-Band Module, Development Board Module Kit 5~26
Functions : Compliant with GSM phase 2/2 + Class 4 (2 W at 850/900 MHz) Class 1 (1 W at 1800/1900 MHz) Specification: Power supply: 5 ~ 26 V Four frequency range: 850/900/1800/1900 MHz Working temperature: -40 ~ 85 ° C Package list: 1 x module 1 x GSM antenna Note: The product is delivered unchanged without an insulating housing. Please observe the ESD precautionary measures, especially in dry weather (low humidity) The factory default setting for the GPRS Shield UART is 19200 bps 8-N-1. (Can be changed with AT commands.) Introduction to the user interface: Power selection - Select the power supply for the GPRS shielding Power connection - to external 4, 8 ~ 5 VDC power supply connected Antenna interface - connected to external antenna Selection of the serial connection - Select either the serial software port or the serial hareware port that is to be connected to the GPRS Shield Hardware Serial - D0/D1 Software series - D7/D8 Status LED - Indicates whether the SIM900 is switched on Power light - Shows the status of the SIM900 connection to the network UART of SIM900 - UART pins break from SIM900 microphone - to answer the call Loudspeaker - to answer the call G PIO, PWM and ADC from SIM900 - GPIO, PWM and ADC pins break off from SIM900 On/Off button - Switching on and off for SIM900
