wireless 3g modem with serial port for data transfer I. Introduction Caimore 3G MODEM is a standard industrial design wireless device (type: CM820) which is based on TD-SCDMA SMS platform and embedded with industrial 3G wireless module. It has the function of sending and receiving Chinese and English short message and also has wireless internet function. It provides serial RS232 standard interface to achieve the function of sending and receiving short message by directly connecting with the user's devices. CM820 has been widely used in financial transactions, water conservancy, post transactions, smart grid, environmental monitoring, meteorological monitoring, etc. Product interface diagram
Accessories photos
II. Wireless parameter 1. TD-SCDMA/HSDPA/HSUPA:2010~2025MHz GSM/GPRS/EDGE:850/900/1800/1900MHz 2.Support 3GPPclass B +24dBm 3.Data rate: Downlink (Max up to 2.8Mbps) Uplink (Max up to 384Kbps) 4. Support DTMF 5. Support the function of receiving and sending Chinese and English short message, and wireless internet function 6. Support Standard AT command III. Technical index 1.Interface: v Standard RS232 serial port, serial speed rate 110~230400BPS v Indicator: POWER and on-line indicator v Antenna interface: Standard SMA female interface, 50 ohm v SIM card interface: 1.8V/3V standard putter user card interface v Power interface: Standard 3-pin power jack v Voice interface: Standard headset interface (requires software) 2. Power supply: v External power supply: DC 9V 500mA v Wide voltage design: DC5-35V v Communication current: 250mA v Standby current: 20mA 3. Industrial wireless module 4. Size v Product dimensions : 81*55*20 mm ( not including the antenna and the fixed parts) v Package size: 298*226*60mm 5. Weight: 0.41kg 6. Other parameters: v Operating temperature: -25 °C ~+65°C v Storage temperature: -40~+85oC v Relative Humidity: 95 %( No condensation ) V. Powerful Function 1.Supports Chinese, English and other language, digital text messages sending and receiving, supports SMS alert. 2.Provides VB / VC / C # / DEPHI dynamic link library DLL and test procedures for easy development and software integration 3.Industrial design, strong anti-interference ability and stable system are very suitable for being used in industrial control 4.Excellent low-temperature and high temperature performance 5.Easy to use, flexible and reliable 6.Support WINDOW / LINUX operating system V. The typical applications
VI. Certification and Honor
Item | Contents |
Honors | The enterprise was awarded "Best Supplier of Customer Satisfaction in China's Industrial Control Sector" in 2011; Company's GPRS DTU product was named "Innovation Award" |
High-tech enterprises | Certified as state high-tech enterprises in 2010 |
Dual Soft Enterprise | certified as state dual-soft enterprise |
Copyright | The company has a patented technology to keep the device stable and eight copyrighted software certificate |
Offices | nine regional offices to provide customers with convenient services |
Registered Capital | registered capital 5 million; high-tech enterprise supported by Xiamen City |
Historical Precipitation | 11 years industry R & D accumulation and application |
Packaging&Shipping&D Samples will ship withine one -three working days . Shipping way can be customized : DHL,TNT,UPS,FeDex etc.
Contact us skype : caimoremichelle Viber/whatsapp/Mob:+86 15080025764