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网关和路由器之间的区别 网关是充当转换代理的计算机系统或设备。网关是两个系统之间的转换器,它们使用不同的通信协议,数据格式或语言,甚至是完全不同的体系结构。与简单传达信息的网桥不同,网关重新打包它们收到的信息以满足预期系统的需要。那么网关和路由器之间的区别是什么? 网关和路由器之间的区别如下: 路由器的作用是连接不同的网络并传输信息。根据用途,可分为:接入,企业级,骨干级,太比特,多WAN和3G无线等。 网关 网关可以是路由器,交换机或PC。对于同一网段内的通信,不必涉及网关。只有当主机和非本地网段设备通信时,才需要将所有数据包发送到网关设备,然后通过网关设备转发或路由它们。 路由器是一个网络层系统。一般来说,市场上的路由器分为两类,一类是单协议路由器,另一类是多协议路由器。路由器可以转换数据格式,成为与协议不同的网络互连的必要设备。 网关与路由的关系可以表示为:网关是网络连接的基础,路由是网络连接的桥梁。 路由器使用静态或动态路由来确定网络之间的最短路径。静态路由需要管理员手动设置,动态路由USES协议以动态发现网络之间的路径并确定最短路径。通常,静态路由用于小型网络,动态路由用于大型复杂网络。 现在,路由器集成了网关功能,因此路由器也具有网关功能。 网关和路由器之间的区别 从网关和路由器的定义来看,如果只连接两个网络,则只需要一个网关。 假设只有两个网络:网络A和网络B. 为了使网络A和网络B能够通信,只使用网关连接两个网络,因为只有两个网络,并且不需要确定网络之间的最短路径。 如果需要连接多个网络,为了确保网络的可靠性,需要将网络结构设计为完整网络或部分网络。通过这种方式,网络之间的通信需要两个设备,网关和路由器。由于当前路由器集成了网关的功能,因此只能使用一个设备路由器。

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The difference between a gateway and a router A gateway is a computer system or device that ACTS as a transformation agent. A gateway is a translator between two systems that use different communication protocols, data formats, or languages, or even completely different architectures. Unlike Bridges that simply convey information, gateways repackage the information...

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工业路由器的VPN VPN通常是指虚拟专用网络,它只是在公共网络上建立的专用网络,用于加密通信。 VPN功能是在加密数据包时实现目标地址转换和远程访问。因此,工业VPN路由器非常适合项目的数据传输安全要求。工业路由器是在普通路由器的基础上增加的工业要求,而工业VPN路由器是在工业路由器的基础上增加的VPN功能。为什么工业路由器会设置VPN功能?那么VPN功能的好处是什么? VPN工业路由器 VPNS允许您在复杂的公共网络中工作而无需担心安全性。当然,这也是工业VPN路由器的基本功能; 2.可以解决多台设备同时组网,随时使用VPN功能的问题。登录后不再需要繁琐的操作,并且需要连接每个设备。只要你切换网络,就可以选择使用或不使用VPN功能来达到开箱即用的效果; 3,一些连接设备联网,一些需要使用本地网络,一些使用VPN网络,这样可以错开使用; 4.工业VPN路由器可以连接多个终端和一个账号,不再担心VPN账号会限制连接终端的数量; 工业路由器 5.市场上大多数工业路由器已经支持VPN中的PPTP连接模式,而万无一失的操作设置不再是专家的专利。 VPN在工业,商业和民用领域非常受欢迎。它们可以使网络传输更安全,更专业,更自由。工业VPN路由器的分类工业VPN路由器的常见分类是PPTP,L2TP,IPSEC。最常见的是PPTP协议。如上所述,市场上的大多数工业路由器都具有PPTP安全协议,即点对点隧道协议。使远程用户能够通过拨入ISP,直接连接到Internet或通过其他网络安全地访问企业网络。...

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Why would industrial routers set up VPN capabilities Industrial router is the industrial version added on the basis of ordinary router, while industrial VPN router is the VPN function added on the basis of industrial router. VPN generally refers to a virtual private network, which is simply a private network established on a public network for encrypted communication. VPN...

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告别SIM卡,eSIM时代到来! SIM卡是(Subscriber Identification Module ),也称为用户身份识别卡、智能卡,GSM数字移动电话机必须装上此卡方能使用。 在电脑芯片上存储了数字移动电话客户的信息,加密的密钥以及用户的电话簿等内容,可供GSM网络客户身份进行鉴别,并对客户通话时的语音信息进行加密。 为解决SIM卡槽占用大量手机空间的难题,SIM的尺寸经历了三种变化: 标准卡:尺寸为...

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E-Lins Frequently-used module parameters

Category : 伊林思产品FAQ, 技术相关

Supplier Module type Area Parameters
Ericsson F3307 UMTS/HSDPA/HSUPA: 2100/900MHz
GSM/GPRS/EDGE:1900/1800/900/850MHz;
Download Speed: 7.2Mbps;    Upload Speed: 5.76Mbps
Ericsson F3607gw UMTS/HSDPA/HSUPA: 2100/1900/850MHz
GSM/GPRS/EDGE:1900/1800/900/850MHz;
Download Speed: 7.2Mbps;    Upload Speed: 5.76Mbps
Ericsson F5521gw Global UMTS/HSDPA/HSUPA/HSPA+: 2100/1900/900/850MHz
GSM/GPRS/EDGE:1900/1800/900/850MHz;
Download Speed: 21Mbps;    Upload Speed: 5.76Mbps
Ericsson F5321gw Global UMTS/HSDPA/HSUPA/HSPA+: 2100/1900/900/850MHz
GSM/GPRS/EDGE:1900/1800/900/850MHz;
Download Speed: 21Mbps;    Upload Speed: 5.76Mbps
Huawei MU736 Global UMTS/HSDPA/HSUPA/HSPA+: 2100/1900/900/850MHz/AWS
GSM/GPRS/EDGE:1900/1800/900/850MHz;
Download Speed: 21Mbps;    Upload Speed: 5.76Mbps
Huawei MU709s-6 South America HSPA+/UMTS tri-band 850/1900/2100 MHz
GSM/GPRS quad-band 850/900/1800/1900 MHz
Huawei MU709s-2 Europe, Asia, Africa HSPA+/UMTS dual-band 900/2100 MHz
GSM/GPRS quad-band 850/900/1800/1900 MHz
Huawei MU609 HSPA+/UMTS quad-band 850/900/1900/2100 MHz
GSM/GPRS quad-band 850/900/1800/1900 MHz
Huawei ME909s-120 Most of Europe, Asia, Africa and South America LTE FDD: 2100/1900/1800/1700AWS/850/2600/900/800Mhz
(B1/B2/B3/B4/B5/B7/B8/B20)
3G: 850/900/1900/2100Mhz
2G: 850/900/1800/1900Mhz
Download Speed: 150Mbps;    Upload Speed: 50Mbps
Huawei ME909s-821 LTE FDD: 2100/1800/900Mhz  (B1/B3/B8)
LTE TDD: B38/B39/B40/B41
3G WCDMA: 2100/850/900/1700Mhz (B1/B5/B8/B9)
3G TD-SCDMA: B34/B39
2G GSM: 900/1800Mhz
Huawei ME909u-521 Most of Europe, Asia, Africa FDD LTE: 2600/2100/1900/1800/900/850/800Mhz (B1/B2/B3/B5/B7/B8/B20);
DC-HSPA+/HSPA+ /HSPA/UMTS: 850/900/1900/2100MHz(B1/B2/B5/B8),
EDGE/GPRS/GSM: 1900/1800/900/850MHz;
Download Speed: 100Mbps;    Upload Speed: 50Mbps
Huawei ME909u-523 US, South America LTE FDD: 1900/1700AWS/850/700Mhz(B2/B4/B5/B17)
DC-HSPA+/HSPA+ /HSPA/UMTS: 1900/1700AWS/850Mhz(B2/B4/5)
GSM: 850/900/1800/1900Mhz
Download Speed: 100Mbps;    Upload Speed: 50Mbps
Huawei ME906s-158 (M.2/NGFF) Europe, Asia and Oceania B28 LTE FDD:B1,B2,B3,B5,B7,B8,B20,B28
DC-HSPA+/HSPA+/HSPA/WCDMA:B1,B2,B5,B8
EDGE/ GPRS/GSM 1900/1800/900/850 MHz
Huawei ME906j (M.2/NGFF) Japan KDDI:
LTE: FDD Band 11, 18, all bands with diversity
CDMA 1X/CDMA EVDO Rev.B: BC0, BC6, all bands with diversity
GPS/GLONASS: L1
DOCOMO:
LTE: FDD Band 1, 19, 21, all bands with diversity
WCDMA/HSDPA/HSUPA/HSPA+: Band 1,5,6,19, all bands with diversity
GPS/GLONASS: L1
Huawei ME936 LTE (FDD) B1/B2/B3/B4/B5/B7/B8/B13/B17/B20
Penta-band DC-HSPA+/HSPA+/HSPA/UMTS B1/B2/B4/B5/B8
Quad-band EDGE/ GPRS/GSM 1900/1800/900/850 MHz
Sierrawireless MC7304 Most of Europe, Asia, Africa FDD LTE: B1/B3/B7/B8/B20  800/900/1800/2100/2600MHz(相对应为band 20/8/3/1/7)
WCDMA: 800/850/900/1900/2100 MHz(B6,B5,B8,B2,B1)
GSM 850/900/1800/1900MHz
Sierrawireless MC7354 US FDD LTE: 1900(B2), AWS(B4)
850(B5),700 (B13), 700(B17), 1900(B25)
UMTS/HSPA+: 2100(B1), 1900(B2), AWS(B4),850(B5),  900(B8)
CDMA EVDO/1x: BC0, BC1, BC10
Quad-Band EDGE/GPRS/GSM
Sierrawireless MC7350 US LTE: AWS(B4), 700(B13), 1900(B25)
CDMA 1x, EVDO Rev A:
BC0,BC1,BC10
Sierrawireless MC7330 Japan LTE: 2100 (B1), 850 (B19), 1500 (B21)
UMTS/HSPA+: 2100 (B1), 850 (B5) 800 (B6), 850 (B19)
Quad-Band EDGE/GPRS/ GSM
Sierrawireless MC7430 APAC FDD LTE:  B1, B3, B5-9,B18, B19, B21, B28                                                             TDD LTE:  B38,39,40,41                                                                                                    UMTS/HSPA+:2100(B1)  850(B5)/800(B6)/900(B8)/1800(B9)/850 (B19)
TD-SCDMA: B39(1900Mhz)
Sierrawireless ME3760 TDD LTE, LTE: 2600/2300/1900 (B38/B39/B40+B7);
TD-SCDMA: 2010~2025MHz/1880~1920MHz (B34/B39),
EDGE/GPRS/GSM: 1900/1800/900/850MHz;
Longsung U8301 Most of Europe, Asia, Africa FDD LTE: 2600/2100/1800/900/850MHz (B1/B3/B5/B7/B8)
DC-HSPA+/HSPA+ /HSPA/UMTS: 850/900/2100MHz (B1/B5/B8);
EDGE/GPRS/GSM: 1900/1800/900/850MHz;
Download Speed: 100Mbps;    Upload Speed: 50Mbps
Longsung U8300c TDD LTE: band38/39/40/41
FDD LTE: band1/3
TD-SCDMA: band34/39
UMTS: Band1
EVDO/CDMA1x: 800Mhz
GSM: 850/900/1800/1900Mhz
三旗 LM9206_ZAK Europe, Asia and Oceania B28 TDD LTE: band38/40
FDD LTE: band1/2/3/5/7/8/28
TD-SCDMA: none
UMTS: Band1/2/5/8
GSM: 850/900/1800/1900Mhz
三旗 LM9206_ZBK
(已经停产)
Most of Europe, Asia, Africa TDD LTE: band38/40
FDD LTE: band1/3/7/8/20
TD-SCDMA: none
UMTS: Band1/8
GSM: 850/900/1800/1900Mhz
Download Speed: 150Mbps;    Upload Speed: 50Mbps
三旗 LM9206_ZCK TDD LTE: none
FDD LTE: band1/2/5/7/8/28
TD-SCDMA: none
UMTS: Band1/5/8
GSM: 850/900/1800/1900Mhz
三旗 LM9206_ZDK Europe TDD LTE: band38/40
FDD LTE: band1/3/5/8
TD-SCDMA: none
UMTS: Band1/5/8
GSM: 850/900/1800/1900Mhz
三旗 LM9206_ZEK Europe, Asia TDD LTE: band38/39/40/41
FDD LTE: band1/2/3/5/7/8
TD-SCDMA: 34/39
UMTS: Band1/2/5/8
GSM: 850/900/1800/1900Mhz
三旗 LM9265 Europe, Asia TDD LTE: band38/39/40/41
FDD LTE: band1/3/5/7/8
TD-SCDMA: 34/39
UMTS: Band1/2/5/8
GSM: 850/900/1800/1900Mhz
CDMA/EVDO: BC0 800Mhz
ZTE ZM8620-A South America LTE TDD: band38
LTE FDD:2100/1900/1700 AWS/2600/850/900/700Mhz(B1/B2/B4/B5/B7/B8/B12)
DC-HSPA+/HSPA+ /HSPA/UMTS: 2100/1900/900/850/1700(AWS)Mhz
GSM: 850/900/1800/1900Mhz
Forge SLM630 TDD LTE: 2600/2300/1900 (B38/B39/B40/B41);
FDD LTE: 2100/1800/2600Mhz(B1/B3/B7);
DC-HSPA+/HSPA+ /HSPA/UMTS: 2100/1900/850Mhz (B1/B2/B5)
TD-SCDMA: 2010~2025MHz/1880~1920MHz (B34/B39),
EDGE/GPRS/GSM: 1900/1800/900/850MHz;
Download Speed: 100Mbps;    Upload Speed: 50Mbps
Forge SLM630b TDD LTE: 2600/2300/1900 (B38/B39/B40/B41);
FDD LTE: 2100/1800/2600Mhz(B1/B3/B7)
DC-HSPA+/HSPA+ /HSPA/UMTS: 2100/1900/850Mhz (B1/B2/B5)
TD-SCDMA: 2010~2025MHz/1880~1920MHz (B34/B39),
EDGE/GPRS/GSM: 1900/1800/900/850MHz;
EVDO/CDMA:BC0-800Mhz
Download Speed: 100Mbps;    Upload Speed: 50Mbps
LP41 FDD LTE, LTE: 450/800/1800/2600Mhz (B31/20/3/7)
Wetele WPD600N FDD LTE, LTE: 450/800/1800/2600Mhz (B31/20/3/7)

E-Lins products FAQ — Router Cell Low Signal

Category : 伊林思产品FAQ

Issue: Router Cell Low Signal

 

Related Pictures:

cell low signal

 

Description:

At H685/H820 router, the web status page indicates low signal number or bar.

 

Main Cause and Solution:

Item Cause Solution
1 cellular network low signal in the site try to move to other place to test if can get better signal
2 antenna not gain good signal try to change another antenna. E-Lins antenna is world-wide use, please ask for dedicated antenna or get dedicated antenna for your carriers from the local antenna sellers.