| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $29.20 | $28.61 | $27.71 | $26.52 | Contact US |
Waveshare USB to RS232/485/TTL Interface Converter Communication Module (CH343G Chip) w/ Isolation
$29.31
Waveshare USB to RS232/485/TTL Interface Converter Communication Module (FT232RNL) w/ Isolation
$33.20
Mini Duplex Hotspot Motherboard for MMDVM Digital Modem Box and 433MHz Antenna Support for DMR / D-Star / NXDN / POCSAG
$32.08
UART TTL TO GPRS GSM Converter Mudle for Data Transmitter USR-GPRS232-7S2
Description:
- GPRS DTU (Data Transfer unit) is a wireless terminal equipment which can converter serial data to IP data or converter IP data to serial data, then transmit through wireless communication network. GPRS DTU is to use GPRS network to transmit data, it adopts industrial-grade embedded processor, embedded TCP/IP protocol stack. To provide users with virtual private networks, which is high speed, stable and reliable, data terminal online forever, and a variety of protocol conversion.
Notes:
Support four frequency: 850,900,1800,1900
Only support 2G and 2.5G, do not support 3G, CDMA, EDGE
Setup with Port fordwrding:
Features:
- Support KEEP-Live,support configuration via SMS
- Password authentification for SMS configuration.
- Support network connection in Max 4 Channel,can be sent data from serial port to different servers.
- Support TTL UART interface Easy to use, only configurate few parameters
- Using single module embedded protocol stack, no external CPU, higher stability
- Embedded TCP/IP protocol stack and GPRS technology
- Support remote parameters settings, can change IP, port, ect. by SMS
- Support GSM network, four frequency for global
- Support public and APN network access
- Can configure heartbeat pack data format, transmit interval, and keep connection with server.
- Can configure log pack data format and automatically establish network connection with server.
- Support data length control, can set the length of single sending package and data pack waiting time.
- Support ALWAYS ONLINE mode, and dropped reconnect.
- Completely transparent transmission, can take place of data transfer radio, no changes needed on your original system
- Use aluminum alloy case, shielding external disturbance effectively
Demensions:
SIZE
Parameters:
- Working Voltage: 3.8-4.2V
- Working current: 10-100mA, max 1200mA
- Working temperature: -20~75Celsius
- Storage temperature: -40~85Celsius
- Storage humidity: 5%~95%RH
Application:
- Application with Public Server:
