CDMA850 Signal Band Mobile Signal Booster Amplifier Repeater

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Product Description:





Application photoApplication:
To expand signal coverage of CDMA850MHz 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 850MHZ.
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 :824-849MHz  869-894MHz
Up-link Gain: 60dB
Down-link Gain: 65dB
Output Power UL: 20dBm, DL: 20dBm
Band Flatness: ≤±6
ALC: 31dB @ 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:Repeaters, hubs, two - layer switches, three - layer switches and routers work on the OSI reference model layer
Repeaters and hubs are first - tier physical layers that work as the OSI reference modelThe two layer switch operates on the second layer of the OSI reference model data link layerThree - layer switches and routers operate on the third - layer network layer of the OSI reference model
Q:Which is good for a WiFi repeater?
Mainly to see if the link is stable and the repeater signal loss, repeater principle is that they will send a signal, when the connection after landing back switching relay mode (some more than repeaters used to relay) can find its own routing signal emission in the WiFi list, after the connection (to be renamed) to achieve the forwarding of the original signal in order to achieve, to enhance the signal propagation.
Q:Is the repeater located next to the router?
Relay next to the router, equivalent to no relay and routers, you can use the cable network, you can also use the wireless connection, but with the cable link will be better
Q:What is the difference between a repeater and an amplifier in a computer network?
Just a simple amplifier signal amplifier, the amplifier can only be advanced signal amplification, while suppressing noise and other interference, ordinary amplifiers are all amplified, may lead to decreased rate of communication or communication interruption. The amplifier usually does not manage the transmitted signal. It simply amplifies the signal, suppresses noise and interferes with it.
Q:What does a network node mean? What does a repeater do?. Generally speaking, thank you
As you said the most popular the most simple speaking is a network, two line inserting machine is a network node, but the cat with the home computer is not a repeater network line is too long, there will be a loss, error signal, the middle of a repeater to signal amplification, forward. A gas station.
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:Is wireless repeater good or wireless AP good?
In general, repeaters are the most appropriate, inexpensive, and easy to set up, and wireless AP and routing are just relaying.
Q:What is the principle of fiber repeaters?
A light emitting diode or an injection laser is used to generate an optical pulse, and a lens is used to focus the light pulses into the optical fiber medium so that the light pulses are transmitted along the line in the optical fiber medium. From the principle of internal total reflection, light pulses are easy to move through optical fiber lines. The principle of internal reflection in fiber shows that light can not flow out of glass when the incident angle exceeds the critical value;
Q:Who used the WiFi repeater? Is it easy to use?
No repeater is where you WiFi signal is not strong, like the Internet, repeater receive signals and then zoom in, let you before where the signal is not good can do, this is a function of repeater, a bridge router is also the same effect, 2 of the price difference is not much, the function of the router more than a repeater.
Q:What is called a relay host? Can you brief me?
A repeater is a network interconnection device on the physical layer that acts as a means of generating signals (i.e., amplifying and shaping the original signal).

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