| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $20.93 | $20.51 | $19.86 | $19.01 | Contact US |
Netherlands Module Hypex NC252MP Power Amplifier Board 2x250W 2-Channel Audio Amplifier Module
$481.46
DAS AERO12 Active Speaker DSP Preamplifier Motherboard Audio Input Board for Convert/Road/Avant/Aero Series
$93.60
5-Wire DC Brushless Fan Testing Board with Storage Box for Internal and External Fan Detection
$25.23
UART to GSM GPRS Module Quad Band Wireless Data Transmission USR-GPRS232-7S3
Introduction
This is a serial uart to gprs module, used for data transparent transmission. USR-GPRS232-7S3 is highly-integrated UART to GSM/GPRS module, Users can easily make communication with it among serial device,cellphone and network device.USR-GPRS232-7S3 is based on USR-GM3 gprs module.Clients can use the product to realize bidirectional transparent transmission from serial port to network through simple AT command.
Function :
- Support GSM850/900,DCS1800/1900
- Support GSM/GPRS/EDGE and 2G/3G/4G card, but don't support 3G/4G network
- Support 2 sockets, Support TCP and UDP
- 4KB cache for each of sockets, user can choose to cache data or not
- Support register package and heart beat package
- Support setting parameters via SMS message
- Support multi work modes: SMS message transmission mode, network transmission mode and HTTPD mode
- Support basic and extend AT command sets
- Support similar RFC2217
- Support flow control: RTS/CTS
Parameter
Network:
- Standard: GSM / GPRS
- Rate: 14.4 Kbps ~ 57.6 Kbps
- Standard Frequency Range: 850/900/1800/1900MHz
- GPRS Multi-slot Class: GPRS Class 10
- GPRS Terminal Device Class: Class B
- GPRS Coding Schemes: CS1 ~ CS4
- Max Launch Power: GSM900 class4（2W），DCS1800 class1（1W）
- Application: GSM standard AT instruction set / USR extension AT instruction set / data transmission / SMS transmission / HTTPD
- Network Protocol: TCP，UDP，DNS，Httpd client
- Network Buffer: send : 4K bytes，receive : 4K bytes
Serial:
- Port Number: 1
- Interface Standard: TTL：SMT 2.8 ~ 3.6 V
- Data Bits: 7,8
- Stop Bit: 1,2
- Check Bit: None,Even,Odd
- Baud Rate: 2400 bps ~ 921600 bps
- Flow Control: CTS/RTS
- Buffer: send and receive 4k bytes respectively
Device Interface:
- SIM Card: 1.8V / 3V
- Speech Interface: 1 channel MIC input，1 channel SPEAK output
Software:
- Virtual Serial（USR-VCOM): Windows 2000 or higher（32 bit/64 bit）
- Configuration: computer set-up software,serial command,sms command,network command
Basic Parameter:
- Size: 27.94 x 24 x 4.4 mm
- Operating Temp.: -25 ~ 85°C
- Storage Temp.: -40 ~ 85°C，5 ~ 95% RH（no condensation）
- Input Voltage: DC 3.4 ~ 4.2V,recommend : 3.8V
- Working Current: Average : 55 ~ 90mA;Max : 750mA
Package List:
- 1 x Module
