This is SIM800C Module SMS Data Replaces SIM900A Development Board Spring Antenna. The SIM800C is a GSM / GPRS Quad-Band with very compact dimensions and low power consumption.

SIM800C is a quad-band GSM / GPRS module for the castle hole package. It is stable performance, small size, cost-effective, can meet the diverse needs of customers. The SIM800C operates at GSM / GPRS 850/900/1800 / 1900MHz and can be used worldwide for voice, SMS and data transmission, with low power consumption and is suitable for a variety of compact product designs.

It can communicate with the MCU controller via AT commands and TCP/IP standards. Being perfectly manageable from MCU and development kits as Arduino, it is widely used to develop very compact devices such as trackers, GSM telephone combiners, remote control, remote alarms, etc.

Features:

1. Easy to use
2. Support voice calls, SMS, and GPRS at a speed of 85.6kbps in down and 42.8kbps in up.
3. It supports digital and analogue sound audio, HR, FR, EFR, AMR voice coding.
4. It supports two serial ports that can be connected directly to the MCU without the use of a MAX232.
5. Good quality product
6. Input voltage range 5V-20V DC, power supply range for a variety of power supply applications
7. TTL module with a level conversion circuit, compatible with a variety of single-chip serial port. Do not need to convert the direct connection;
8. Audio interface, pin-oriented way to facilitate the test, reverse headphones and microphone interface;
9. Support TTS \ DTMF function, the text can be broadcast directly through the language and identify each other when the call button to achieve and 10086 voice console function;
10. Bluetooth 3.0 protocol, enhanced Bluetooth antenna signal super, support for serial SPP and audio services;
11. Reserve lithium battery-powered BAT interface, you can use the lithium battery-powered to facilitate the project development, 3.7V lithium battery or 18650 lithium battery;
12. Reserve IPEX interface, SMA interface, spring antenna interface, can be used for different occasions, different antennas.

Specifications:

1. Quad-Band 850/900/1800/1900 MHz
2. Class 4 (2 W @ 850/900 MHz)
3. Class 1 (1 W @ 1800/1900 MHz)
4. FM: 76 ~ 109 MHz bands in all world (50 KHz step)
5. Sensitivity: <-105dB
6. SIM supports 2G, 3G, 4G
7. ROHS, FCC, CE, CTA certification
8. Sim slot, voltage regulator and integrated antenna
9. Supply voltage: 3,4 ~ 4,4VDC
10. Standby current: 3mA
11. Operating temperature: -40 ~ +85C
12. Product dimensions (mm): 52 x 43 x 11
13. Product weight (g): 21

Package Includes: