GSM900 High Gain 85dB 30dBm Single Band Mobile Signal Booster Amplifier Repeater

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Application photoApplication:
To expand signal coverage of GSM900 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. 500~2500square meters indoor coverage.
2. Frequency bandwidth of 900MHZ.
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 : 500-2500 m2
Frequency Range :890-915MHz  935-960MHz
Up-link Gain: 80dB
Down-link Gain: 85dB
Output Power UL: 27dBm, DL: 30dBm
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:Are there any differences between the WiFi receiver, routing, signal amplifier, repeater and signal intensifier?
In general, the city's ordinary wireless router can do all of the above functions.
Q:How to use a network repeater?
When an isomorphic network segment with the same interface and the same medium access control protocol is interconnected, an instrument device is added in the middle to amplify and retransmit the transmitted signal. Thus, the signal attenuation caused by the long cable line of the network segment can be avoided, and the reliability of the transmission can be effectively improved.
Q:How can I use a wireless repeater where there is no power?
If you are directly inserted 220V, you need to install an inverter in the battery, the 12V DC into 220V AC, and then plug it directly.
Q:Request WiFi repeater settings, I do not know the other router's model and password, but I know the WiFi password!
Close your router DHCP service and note that the two routers cannot be the same gateway. Commercial router settings method: your router MAC address, such as the other router, and then the other router MAC address, such as your router. Close dhcp. Gateways can not be the same. Restart your router after you have finished setting up
Q:Android phones do wireless relay, how can I do that?
WiFi, Bluetooth, mobile phone has the function of many, is your mobile phone on the windowsill can be connected to a WiFi, and then in the mobile phone set, more settings, open the Bluetooth network sharing in shared network, ha ha, this room friends can pull after paired bluetooth, which can solve the windowsill indoor no signal the problem of signal
Q:Switches, routers, repeaters, difference?
On the network a lot of yisou repeater: a network interconnection equipment, single function. Working on the physical layer is what you see. Used primarily to strengthen signals. General signal transmission is used when far away, equivalent to an amplifier. Hub: hub (HUB) is the basic equipment in the data communication system, and its twisted pair transmission medium, is a hardware device without any software support or just a few management software management.
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:Wifi repeater can be used as a wireless network card, please master to help explain this knowledge
Yes, the router directly connected to the host network, and then open WDS, bridging the wireless network on it, but it is not easy to use those who rub network tools.
Q:TP-LINK wireless signal repeater. What mode should I choose?
I'm using a mini router in Tengda, functionally similar to yours, with 5 network modes. It is recommended that the preferred AP+WDS model, generally two routers for network coverage, mostly choose bridge mode.
Q:Can the WiFi signals that are expanded by repeaters use the network set-top boxes?
Repeaters expand the neighborhood's WiFi signals and, of course, can use the set-top boxes to watch video.

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