GSM/GPRS/GPS SIM 808 IOT Modem
- Input voltage: 5V-12V DC Operation
- Working temperature:-40°C ~85°C
- Supply voltage range 3.4 ~ 4.4V
- Low power consumption
- Operation temperature:-40°C ~85°C
- Power supply: 3.4V ~ 4.4V
- Charging: Supports charging control for Li-Ion battery
- Quad-band 850/900/1800/1900MHz
- GPRS multi-slot class 12/10
- GPRS mobile station class B
- Compliant to GSM phase 2/2+ – Class 4 (2 W @ 850/900MHz) – Class 1 (1 W @ 1800/1900MHz)
- Dimensions: 24*24*2.6mm
- Control via AT commands (3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands)
- Modem with Impedance Matching Layout.
- Fully Automatic Pick and Place Machine.
- On-board SMA connector for GSM antenna
- On-board UFL connector for External GSM Antenna
- On-board SMA & UFL connector for GPS Antenna
- Option to Connect Patch antenna or Active Antenna for GPS
- Onboard 3V3 Voltage regulator for GPS External Active Antenna
- Onboard Micro USB Connector for module firmware updation
- Automatic and Manual Start option (SMD Switch has provided for Manual Startup)
- LM39302 linear voltage regulator is used for provides a low-dropout, high-current output
- Onboard RMC connector for power supply
- Onboard RMC connector for audio interface
- On-board Connector for connecting 3.7V Li-Po battery
- Zener diode is used to prevent Accidental over voltage
- On board TXB0104 voltage level translator IC which helps us to interface with 2.8V to 5V microcontrollers’
- On board LED for power indication, Network and status.
- Header option for interfacing ADC, I2c,PWM
- Four 3MM Mounting Holes are Provided
- Flap Type SIM Card Connector
- On-board Anti-Static Protection IC
- Easy to Make and receive voice calls, Send and receive SMS messages
GSM Modem SIM 300
- Uses SIM300 GSM module transmission.
- Operating Voltage: 7 – 15V AC or DC (board has onboard rectifier).
- Comes with an onboard wire antenna for better reception.
- Can be used for Data/Fax, GSM based Voice communications, TCP/IP stack, GPRS and SMS
- SIM300 allows an adjustable serial baud rate from 1200 to 115200 bps (9600 default).
- Provides RS232 interface for connection to computers and other devices.
- Lithium Battery holder
- Can add external antenna with SMA connectors.
- Power, RING and Network LEDs for easy debugging.
- Provides serial TTL interface for easy and direct interface to microcontrollers.
- Can be controlled through standard AT commands.