GSM900&1800&2100MHZ 2G&3G Tri- Band Mobile Signal Booster Amplifier Repeater with Full Kits

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Product Description:





Application photoApplication:
To expand signal coverage of GSM900&1800&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&1800MHz&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,1710-1785MHz/1805-1880MHz,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/8A
Working Temperature: -25 to+55 C

Humidity: 5-95%


Packing:
1. Repeater unit with power supply.
2. High Gain outdoor antenna.
3. Omni  indoor antenna.
4. 5m and 15m RF cables.
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: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:How does the COMFAST wireless relay router use the relay function (model CF, wR360N)?
Confirm the wireless router relay network normal after entering the "Wireless Settings" - "basic settings", you can see the wireless router's "SSID", this is what we are going to the relay wireless network name, and then set behind the relay will be used when the note down.Also need to pay extra attention to is, by wireless signal relay cannot use "automatic" channel, some routers default will be set to auto channel, it will cause the router to restart, because different channel repeater relay failure, channel 1, 6 is 11, etc..
Q:Repeaters can amplify several WiFi signals, such as three WiFi in my house, and whether the three signals will be very good!
No, the repeater can only amplify one route WiFi at the same time
Q:What's the difference between unlimited wireless trunking and wireless bridging?
Normally。 Links between small LANs used primarily for two different locations. Used for remote network point to point or point to multipoint data communication.. And. In order to ensure the stability of bridge. Normally。 When the device opens the bridge function, it will close the intervention function of the common network card. That is, peer to peer communication. Wireless devices cannot be connected wirelessly.
Q:Why does the repeater always drop off?
Of course, it is possible to run at full speed if the bandwidth between the routers is large and the quality of the signal between the two routers is good. However, in this case, the distance between the two routers should be relatively close, and the antennas should be kept perpendicular to the ground. The best route of sight propagation between the two antennas is guaranteed.
Q:Can repeaters land without cables?
Yes, repeaters can log in wirelessly. The principle is that they will relay transmit a signal, when you connect (mobile phone can be connected to WiFi) after landing back switching relay mode (some repeaters used to relay more than) you can find yourself in the emission signal routing in the WiFi list, after the connection (to name) to achieve the forwarding of the original signal. In order to achieve the goal of enhancing signal propagation.
Q:How to use a network repeater?
In fact, there are many names of devices that usually act as repeaters in network hardware devices. For example, active hubs (multi port device active Hub LAN transmission signal amplification) of the "active" (active regeneration) relay center although sometimes also called multi port repeater, but more commonly called repeaters (Shu Niu). In general, other types of passive (passive, passive) relay components do not belong to repeaters.
Q:Which is good, wireless relay or routing WDS?
From the principle of WDS and wireless relay is equivalent to second router LAN port to connect the master router (directly connected to broadband router) LAN port, so it can be bridged by a router as a wireless switch up the wireless coverage of new! Wireless link Relay (or WDS) devices access the Internet and are not different from direct connections to the main router.
Q:How can I use a wall mounted Poe modem / repeater?
Second wireless routers:1. logon to second wireless routers that require bridging.2., in the network parameter -LAN port setting, modify the IP address and the first router is different (to prevent IP address conflict),If 192.168.1.2 is saved, the router will restart automatically.3. tick "WDS" in the wireless settings - Basic settings". Click "scan" to search the surrounding wireless signal.4. in the list of scanned signals, select the first router SSID number and click "connect"".5. set the channel to the same channel as the first router. While setting up the same encrypted information as the first router, click "save"".6. turn off the DHCP server. In the DHCP server, select "do not enable", save, restart the router.7. at this point, the first wireless router and second wireless routers have successfully established WDS.
Q:Why do home networks typically use routers? Repeaters, bridges, and the like? What is the name of a direct link modem for a network?
Bridge: like a smart repeater. Repeaters receive signals from a network cable, amplify them and send them to the next cable. Bridges, by contrast, are more sensitive to the information uploaded from the checkpoint. A bridge is a technique for forwarding frames, isolating collisions according to the MAC partition block. The bridge connects multiple segments of the network at the data link layer.

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