GSM900-2100MHZ 2G-3G Dual Band Mobile Signal Booster Amplifier Repeater Full Kits

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Product Description:





Application photoApplication:
To expand signal coverage of GSM900&2100MHz  which signal blind areas where signal is weak or unavailable.
A cheap and immediate solution that would allow them have clear phone calls or higher speed broad band.
No more dropped calls ! No more poor reception !
No more runing to the windows or going outside to talk on your mobile phone !

Now you can reach everywhere with signal boosters!


Features:
1. 300~1500 square meters indoor coverage.
2. Frequency bandwidth of 900MHZ&2100MHZ
4. Full-duplex mode (improvement of out coming and incoming )signal.
5. Low power consumption and avoid to interference to BTS.
6. LED indicate and judge to signal level of uplink and downlink.
7. Compatibility with CE and RoHS standards .

8. Supports up to (30) users / calls simultaneously.


Specification:
Indoor coverage : 300-1500 m2
Frequency Range :890-915MHz  935-960MHz,1920-1980MHz 2110-2170MHz
Up-link Gain: 60dB
Down-link Gain: 65dB
Output Power UL: 20dBm, DL: 20dBm
Band Flatness: ≤±6
ALC: 31dB @ 0.1dB step
Time Delay: 1 us
Spurious Emission: Out-Band ≤-36dBm
Power Supply: AC110V~220V to DC+5V/2A
Working Temperature: -25 to+55 C

Humidity: 5-95%


Packing:
1. Repeater unit with power supply.
2. Fiberglass outdoor antenna.(    Optional)
3. Panel indoor antenna.(Optional)
4. 5m and 15m RF cables.(Optional)
5. A manual.


Warranty & Return Policy:

1.
Warranty covers replacement within 12 months.

2. All returns must have an RMA number before they are returned to us. If product is received without an RMA number
it will not be processed.

3. You must place the item(s) including all accessories to be returned in protective packaging (shipping box) with bubble
wrap and make sure that the item(s) do not shake or rattle. Items that are sent in envelopes and incorrect shipping
containers will be refused and returned at your expense.

4. All unauthorized, no reason, etc. returns are subject to 10% restocking fee.


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Q:About repeaters and common twisted pair problems
The function of the repeater is to regenerate and transmit the received signal so as to increase the distance of signal transmission. It is the simplest network interconnection device that connects two or more network segments of the same network.
Q:The role of optical repeaters in optical fiber communications
Optical signal transmission in optical fiber will have loss and dispersion, and non line letter effect will affect the transmission distance and capacity. The loss will affect the signal amplitude, and the dispersion will lead to fiber bandwidth broadening and error codeIn order to long-distance transmission must join the optical relay system in optical fiber transmission line, transmission loss and dispersion is used to compensate the signal. If not, the signal in long-distance transmission is too small and the occurrence of serious error, the receiver can not successfully received.The high cost of optical relay, optical amplifier after the optical amplifier is generally used instead of optical relay, commonly used Amplifier EDFA and Raman amplifier (EDFA), also have the dispersion compensation of dispersion compensation amplifier new.
Q:What is the wi-fire Wi-Fi network signal repeater (enhancer)? Can the WiFi signal be increased?
For example, your router is in the living room, and your bedroom has only one signal, so you can put a repeater between your bedroom and your living room, and your bedroom signal will become stronger! My home has bought a key because of the repeater, very easy to use!
Q:The relay mode of the WiFi router is to send on the side of the receiver
WIFI is a digital signal, in the relay mode to receive the AP signal on the home, and then forward, the channel and SSID will not change, for the receiver, the relay is transparent. There is no difference between the direct charge and the AP signal.
Q:Where does the repeater work?
In general, depending on the needs, where the signal needs to be amplified, and strengthened, but because there are many kinds of different applications, the industry is divided, but they can learn from each other
Q:What does a network node mean? What does a repeater do?. Generally speaking, thank you
The devices that have your own network address are network nodes, such as your company's workstations, servers, your home router, and fax machines.
Q:What's the difference between WDS and relay? Please, everybody. Thanks
There are usually the following applications: bridging two LANs in a wireless connection, extending the coverage of WLANs, Vigor wireless routers can implement the above two modes, one is bridging, and the other is relay. The so-called relay is to amplify the wireless signal between two wireless points, so that the remote client can receive more powerful wireless signals.
Q:Is intelligent access control available offline?
1. supply voltage: the use of DC 12V-24V + 10%/2A single supply operation, operating current <100mA (excluding electricity plus electricity driven).2. working environment: temperature: 20~+60 relative humidity: less than or equal to 95% DEG C3. optional password keyboard input.4. can manage 100 thousand user card, offline can store 3000 open records, can store up to 2000 black list, storage records in power down, can guarantee 10 years is not lost.5. contactless IC card read and write time: less than 0.2S.6. contactless IC card read and write distance: 10~100mm, IC Keychain caillaux reduced7. network communication interface: RS485 (standard).8. communication transmission distance: 1.2Km (standard), long-distance communication network.9. appearance size: host L95 * W70 * H25mm.10. scope: attendance, access control, online patrol.
Q:What is the function of the network relay device?
(1) the filter traffic repeater receives packets from a subnet which is forwarded only if the message is sent to another subnet attached to the repeater, otherwise it is not forwarded.(2) to enlarge the communication distance, but the cost is to increase some storage and forwarding delay.(3) the maximum number of nodes is increased.
Q:How to use a wireless repeater and wireless network card to make desktop computers online?
Network wireless repeater narrow said wireless AP, AP Access Point (wireless access node) abbreviation, it is equivalent to the wired network hub or switch, however, this is a wireless signal transmission function of the hub, it can be for a plurality of wireless Internet equipment to provide a dialogue meeting point.

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