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Minimum Order
Localité:
xiamen, China
Prix de commande minimale:
-
Commande minimale:
10
Packaging Detail:
-
Delivery Time:
now
Supplying Ability:
10000
Payment Type:
-
Personne àcontacter Mr. raymond
27-2-201 Lihai Garden, 180 shenzhen Road, Qingdao
We are gprs dtu suppliers. CM***0P GPRS DTU adopts high-powered ARM9 CPU and embedded real time operating system. It integrates all the commonly used protocols, such as TCP/IP/UDP and so on, from logical link layer to upper application layer protocols. It provides a secure, high speed, reliable wireless internet connection for customers. It supports several ways that trigger DTU to be online, including SMS and data. Also, it supports double or several data product has been widely used in finance, water supply, environment protection, electric power system, post and weather fields. 1. Wireless Specification i. Dual Band EGSM **0 and GSM ***0 ii. GPRS multi-slot class *0 iii. GPRS data downlink transfer: max. *5.6 kbps iv. GPRS data uplink transfer: max. *2.8 kbps v. Coding scheme: CS*1, CS*2, CS*3 and CS*4 vi. CSD transmission rates: 2.4, 4.8, 9.6, *4.4 kbps, non-transparent, V.**0 vii. Unstructured Supplementary Services Data (USSD) support viii. Compliant to GSM Phase 2/2+ ix. Class 4 (2W) at EGSM **0 x. Class 1 (1W) at GSM ***0 xi. Group 3: Class 1, Class 2 2. Hardware System i. CPU:Industrial ARM9 CPU, **0MPS, MMU, *6KB Dcache, *6KB Icache ii. FLASHï&frac*4;Å¡8MB (Extendable to *2MB) iii. SDRAMï&frac*4;Å¡*4MB (Extendable to **6MB) iv. Interface: RS**2 serial port ï&frac*4;Å’rates:**0~*****0bits/s Indicator lights: Power, Communication, Online Antenna interface: standard SMA female interface, *0 ohm SIM interface: standard user card interface (3V/5V) Power interface: standard *-PIN power jack Audio interface: standard MIC-phone jack (reserve) v. Power supplyï&frac*4;Å¡ Standard power supply: DC 9V **0mA Power range: DC ***0V vi. Size: Outline dimension: *2.7x*1.3x*3 mm Casing dimension: **0x**0x*0mm vii. Weight: **0g viii. Others: Operation temperature:**5~**5ºC Storage temperature: **0~**5ºC Humidity: *5% (unfreezing) 3. Software function i. Support transparent data transfer and protocol conversion. Support several work modes ii. Support VPDN iii. Support DDNS and IP access to data center iv. Support double data centers for backup v. Support several data centers vi. Support several triggering ways, including SMS, audio and data. Support link disconnection when timeouts vii. Adopt smart online keeping technology to make sure that DTU is always online viii. Support SMS backup and emergency report ix. Support RSA and RC4 encryption arithmetic x. Support VWMï&frac*4;ˆVirtual Man Watchï&frac*4;‰function xi. Support hardware and software WDT xii. Reporting the status of data transfer xiii. Standard AT command interface xiv. Support common MODEM function xv. Support telnet function xvi. Support remote configure and control xvii. Support console upgrade firmware xviii. Support multi OS, such as WINDOWS, LINUX, SCO UNIX etc.
