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Leading Manufacturer, Supplier & Retailer of TTL GSM Modem and GPRS TTL Modem.
Product ID: 1129 Power Supply = 4V DC 2A. On Board Power and Network Indication LED Micro SIM Card Holder SMA Antenna (Optional) Works with standard AT Commands. Interfacing Pins: 1) MIC (MICP, MICN) = Differential Signal Pins. 2) Speaker (SPKP. SPKN) = Differential Signal Pins. 3) BT_A = Bluetooth Antenna External pin (Works only if the firmware in updated) 4) ADC = Analog to Digital Input pin 5) STAT = Status Signal Pin 6) RI = Ring indicator 7) UART Pins: DTR, DCD, CTS, RTS, RXD, TXD. 8) make sure to use TTL Level Converter for RX and TX of the microcontroller interface.
Product ID: 1131 Sim800L GPRS GSM Module Micro-SIM Card Core Board Quad band TTL Serial Port. This is a Mini GSM / GPRS breakout board is based on SIM800L module, supports quad-band GSM/GPRS network, available for GPRS and SMS message data remote transmission. The board features compact size and low current consumption. With power saving technique, the current consumption is as low as 1m A in sleep mode. Chip: SIM800L Voltage: 3.7-4.2V TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232 Power module automatically boot, homing network Onboard signal lights all the way It flashes slowly when there is a signal, it flashes quickly when there is no signal
Tech-Graylogix (Tech-Graylogix)
5th floor, Oberle Towers, Balmatta, - 575002., Mangalore, Karnataka, India
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