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

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Product Description:

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!
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.

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%

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:

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:What is a relay device and a conversion device?
A bridge connects two similar networks and manages the flow of network data. It works at the data link layer, not only can extend the distance or range of the network, but also can improve the performance, reliability and security of the network. Networks 1 and 2 through the bridge connection, the bridge receives 1 network packets sent, check the data packet in the address, if the address belongs to the network 1, it will give up, instead, if it is 2 network address, it will continue to send to the network 2. This allows the bridge to isolate information, divide the network into multiple segments, isolate the security segment, and prevent unauthorized access to other network segments. Due to the segmentation of the network, each segment is relatively independent, and the failure of a network segment will not affect the operation of another network segment.The bridge can be a special hardware device, or it can also be implemented by the bridge software installed by the computer. At this time, the computer will install a number of network adapters (network cards).
Q:WIFI how does the repeater amplify the amplified signal?
Like repeaters in old Ethernet, repeaters in old token ring networks have the same principle: signal reduction and amplification.As long as the signal is generated by electricity, whether wired or wireless or waves will have an attenuation and distortion, attenuation is due to the distance from the distortion of interference, attenuation is inevitable, the distortion can be avoided or improved.
Q:Why are radio repeaters different in frequency and frequency of reception?
Your so-called magnification is wrong, for example I use hand 1 watt transmitter, relay station after receiving the will with high power is transmitted, but the size of power is set by the relay station maintenance, usually about 25 watts.
Q:How does the tplink wireless router set up a relay?
Sub router and main router login, IP in the same network segment must close the former DHCP service, in different network segments must open the former DHCP services.
Q:Wireless repeaters are restored to initial strength regardless of how weak the signal is What is the principle of a wireless repeater?
The transmission of radio waves by the relay station is that the communication areas are divided into grid like signal intervals, because these small cells are gathered together without exception and are like honeycomb, hence the name "cellular communication"!
Q:Which brand of network repeaters is of better quality?
The principle of repeater is to forward the original WiFi signal to extend the signal and enhance the function of the signal.
Q:What is a WiFi repeater and how do you get it?
WiFi repeaters are wireless routers with trunking capabilities.
Q:Who knows the principle of the repeater? My repeater is always disconnected. What's the reason?
Intermittent disconnection of the network, i.e., when it is still working, indicates that the configuration parameters are normal. When the WiFi repeater is in continuous working state, the protection state will stop when the working time is too long and the temperature is too high when the constitution is not very good;
Q:What is the performance of wireless WiFi repeaters, wireless relay radio, 150m and 300m?
Wireless relay is an additional device for amplifying WIFI signals. Wireless routers are devices that provide wireless access and configure and manage wireless access policies and terminals, such as wireless routers;
Q:What is a WiFi repeater?
The principle of repeater is to forward the original WiFi signal to extend the signal and enhance the function of the signal. I will send a signal repeater, when you connect the switch 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 be renamed) to achieve the forwarding of the original signal, so as to achieve the goal of enhancing signal propagation.

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