Usr gprs232-730 spec-eng
- 1. Serial AT Command / SMS AT Command ■ ■ ■ Dimensions------------------------------------------------------------------------------------------------------------------------------------------- send data from serial port to different servers ◆ Transparent transmission, can take place of data transfer radio, don't need to change your original system ◆ Aluminum alloy case, shielding external disturbance effectively ◆ Support configure by Computer set-up software / ◆ Support public and APN network access ◆ Support heartbeat, Always Online mode, can keep connection with server ◆ Support KEEP-ALIVE, to maintain connection if there is no heartbeat packet ◆ Support network connection in Max 4 Channel, can using a SIM card. ■ ■ ■ Main Features-------------------------------------------------------------------------------------------------------------------------------------- ◆ Support virtual serial port, FREE software is available ◆ Use single module, embedded TCP / IP Protocol stack, without external CPU, Higher stability Serial-to-GPRS DTU Model: USR-GPRS232-730 ■ ■ ■ Overview---------------------------------------------------------------------------------------------------------------------------------------------- USR-GPRS232-730 is a Ultra-low power GPRS DTU, which allows almost any RS232 / RS485 devices to transmit data through GPRS / GSM network. This serial server can realize two-way data transparent transmission between COM and GPRS / GSM network by Unit: mm
- 2. Serial Standard GSM / GPRS Port Number 1-port Speed 14.4 Kbps ~ 57.6 Kbps RS-232 : DB9 (female) Standard Frequency 850 / 900 / 1800 / 1900MHz RS-485 : 2 wire (A,B) GPRS Multi-slot Class GPRS Class 10 RS232 Pin TX / RX / RTS / CTS GPRS Device Class Class B RS485 Resistor Pull-up/Pull-down resistor: 2.2KΩ GPRS Coding Schemes CS1 ~ CS4 Data Bits 5, 6, 7, 8 GSM900 class4 (2W) Stop Bit 1, 2 DCS1800 class1 (1W) Check Bit None, Even, Odd GSM standard AT instruction set Baud Rate 2400 bps ~ 921600 bps USR extension AT instruction set Send: 4K Bytes Data transmission Receive: 4K Bytes SMS transmission Flow Control Null Network Protocol TCP, UDP, DNS, Httpd client Device Interface Network Link Count 4 Antenna Interface 50Ω / SMA - K (female terminal) Disconnection Buffer 4 x 15K Bytes SIM Card 1.8V / 3V Send: 4K Bytes Speech Interface Null Receive: 4K Bytes Software Basic Parameter DNS Support Size 90.8 x 84 x 25 mm (L*W*H) Windows 2000 or higher Operating Temp. -25 ~ 85°C (industry) (32 bit / 64 bit) -40 ~ 125°C More 5 ~ 95% RH (no condensation) Warranty 2 years Input Voltage DC 9 ~ 24V Average: 22 ~ 45mA / 12V Jinan USR IOT Technology Limited Max: 201mA / 12V Tel: 86-531-88826739 ESD protection Email: sales@usriot.com Surging Prevention Web: www.usriot.com Anti-reversed Provention Support: h.usriot.com Network Buffer Virtual Serial Software Storage Condition Working Current Power Protection ■ ■ ■ Specifications-------------------------------------------------------------------------------------------------------------------------------------------- Network Interface Standard Max Launch Power Serial BufferApplication