CDMA-AWS 850-1700MHz Dual Band Mobile Signal Booster Amplifier Repeater

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Product Description:





Application photoApplication:
To expand signal coverage of GSM900&1800MHz  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
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 :uplink:824-849MHz  1710-1755MHz,downlink:869-894MHz,2110-2155MHz
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:Why can't the phone be found in the WiFi network that is set up by the computer? Network attributes can be seen, how should we correct?
When setting up the relay AP, you need to check that the name is the same, so it's better to have a different name! There is the relay when the channel is consistent, inconsistent, you can not successfully relay, and there is too far away from the route is too far away, and still can not receive
Q:What is the repeater used in the intercom system?
There are also layers of inter layer signal repeaters and networked signal repeaters, but now networking is using IP networking, with no repeaters in the center. Can only be used in analog signal networked systems.
Q:The role of repeaters in Ethernet?
For example, a high level may be parsed low, so it is necessary to amplify the signal before it decays so as to increase the transmission distance!In short, the main function of repeaters is to resend or forward data. Amplify the signal and increase its transmission distance.
Q:What are the differences and uses between wireless trunking and wireless bridging?
The relay mode allows multiple client link bridging mode allows only the only authentication client relay wireless bridging higher than. Wireless bridging means connecting two or more LAN or WAN wirelessly. Repeater is the extension of the length of wireless signals (not amplified signals), of course, is a wireless bridging function, but the use of different, so the relay can not replace the bridge. For example: A----B----C, a total of three sites, if A and B can be wireless bridging, B and C can also be wireless bridging, but A and C because of distance, can not wireless bridging. If you want ABC to be wirelessly connected, what's the solution? Then we can use ABC as a relay function (which is also one of them). After A and B relay, B relays C again. You should understand it, in addition, the relay can be connected to a wireless router with no bridge, the bridge to set the binding of MAC and IP, and the relay is not, as long as the wireless router signal can absorb (of course with WEP or WPA password you need to fill in).
Q:What is a relay power supply?
Half duplex, that is, Half, duplex, Communication, means that at any time during the communication process, information can be transmitted from A to B, and from B to A, but only in one direction. When half duplex mode is adopted, the transmitter and receiver of each end of the communication system are switched to the communication line through the receive / output switch, so as to make the direction switching, therefore, the time delay can be generated. The receive / output switch is actually an electronic switch controlled by software.
Q:What is the principle of fiber repeaters
Black and white life explained the principle of fiber amplifiers, usually using rare metals to play a role in amplification;However, the optical repeaters will receive weak light signals from the optical fiber and convert them into electrical signals by the optical detector. After the regeneration or amplification, the light source will be excited again and converted into strong optical signals, which will be sent into the optical fiber to continue transmission. In the middle there is a process of converting electrical signals and regenerating them;The purpose of this process is to:In long distance optical fiber communication system, the loss of optical signal of optical cable line is compensated and the distortion of signal and the influence of noise are eliminated
Q:How does the tplink wireless router set up a relay?
Note: the main and sub router landing IP the first 3 values, the same network segment, the difference is different segments.If you use wire bridging, you need to add instructions because the settings are different;
Q:The wireless network signals received by the computer are weak. Can the central repeaters be enhanced?
The repeater works at the physical layer only to extend the transmission distance and is transparent to the high-level protocol.
Q:The greater the power, the better the ability of the WiFi repeater to receive the signal?
The sensitivity of the receiver generally has a limit, or the maximum reception sensitivity is a constant, and the reception capacity is limited by the sensitivity constant. It does not change as the power of the transmitter increases or decreases. It has nothing to do with the transmitted power. They are two different devices. It can only be said that the greater the power, the stronger the received signal.
Q:Differences between routers and switches and repeaters
Switches operate on the second layer (link layer), forwarding packets at the MAC address, and each port of a collision domain (collision termination) is itself in the broadcast domain. It can isolate the conflicts between ports and inhibit (not eliminate) the broadcast storm (after learning the address, no need to re broadcast).

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