GSM900Mhz 2g Cellphone Signal Repeater Booster Full Kits

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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!
Features:
1. 300~1500 square 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 : 300-1500 m2
Frequency Range :890-915MHz  935-960MHz
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:How does the COMFAST wireless relay router use the relay function (model CF, wR360N)?
Also note that because the default IP address settings most manufacturers at the factory are the same, is the need to ensure that the relay wireless router LAN port (LAN) relay wireless router IP address and not to be set the same IP address, otherwise it will cause the relay wireless router IP address conflict, if the relay wireless router is not properly dealt with, may be a networking problem (think two routers use the same IP address, naturally do not know from which the Internet router will understand). The best solution is to enter the "network parameters" - "LAN port settings", first relay wireless router IP address is removed, generally modify the 4 digit IP address of third bits on it. If you cannot modify the IP address of the relay wireless router, it does not matter, but the wireless relay settings will be a little bit more troublesome, as will be mentioned below.
Q:What are the differences and uses between wireless trunking and wireless bridging?
Wireless relay and wireless bridging differ mainly in the device operating mode. White spots are the applications. A radio relay can be understood as a device that receives signals from other devices. Re launch with one's own center. Mainly used in areas with weaker signals. For the expansion and amplification of wireless signals. Wireless bridge is generally just point to point or point more signal wireless data transmission. 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:What is a repeater for?
The repeater is the most simple network interconnection equipment, mainly to complete the physical layer, is responsible for the physical layer of two nodes according to a transmission of information, copy, adjust and complete the signal amplification function, in order to prolong the network length. As a result of loss, the signal power transmitted on the line will be gradually attenuated, attenuation to a certain extent will cause signal distortion, and this will lead to a reception error. Repeaters are designed to solve this problem.
Q:What are the current situations for repeaters, hubs, modems, network cards, bridges, switches, routers, gateways to build networks?
You asked all right.. First, the individual role. 1, under the condition of online distance relay, provide signal amplification. In order to reach further distances. 2, hubs and switches belong to the same category, that is, a cable comes in. Divide a lot of net lines (straight enough),
Q:What is the walkie talkie relay station?
Radio relay station, also known in the turntable, turntable table, IP, forwarding station, wireless communication system is an important and indispensable equipment. In the wireless intercom system, for increasing the communication distance, expand the coverage of the equipment, for example, can expand the scope and call communication vehicle station, walkie talkie, greatly improve the efficiency of your work.
Q:How to set up wireless relay
First, enter the router management interface - Advanced Settings - wireless networks - basic settings (remember the router's wireless channel, network name (SSID));Secondly, wireless networks - Security and encryption (remember the router's security model, encryption algorithm, shared key (password))Again, the wireless network - WDS settings (remember the router's WDS mode - select self learning mode)Finally, the network settings - LAN (remember the router: IP address, DHCP server type), so the master router setup is complete, if the main route of normal use, does not need to change the settings, but to write down the above parameters with the reserve.
Q:How is the Tengda 11n wireless router set up as a repeater?
1, if the Tengda route is more than 300M, it is recommended to set up wireless WAN;Setting steps: (1) set A routing, normal Internet access, wireless settings - basic settings - modify SSID, channel 6, security mode WPA-psk, encryption rule AES, set wireless password - determine;(2) enter the B wireless routing interface settings - basic settings - channel 6; senior set the -WAN media type - select "wireless WAN" -- open the scanning -- the choice of the first SSID (MAC) added, channel, encryption, password set will automatically restart after restart; modify the LAN port address for IP 192.168.8.1 determination.(reference link: http://www.tenda.com.cn/services/helpdetail-4829.html)2, if Tengda routing is ordinary 150M routing, if the main route is not the same manufacturer, setting up wireless WDS may not be successful;Setting steps: (1) set the main route A, normal Internet access, wireless settings - basic settings - modify SSID, channel 6, security mode WPA-psk, encryption rule AES, set wireless password - determine;(2) enter the B routing interface, wireless channel, SSID, security, encryption and password rules must be consistent with the main routing; wireless settings - Open WDS- to scan the main routing - add MAC address; modify the LAN port IP: the main route of the same segment of different IP (if A routing 192.168.0.1, B routing 192.168.0.2); the DHCP server - off - OK - restart routing.(3) re entering the main routing settings interface - select WDS-, open scan - add secondary routing, MAC address - save.
Q:What is the difference in functionality between the hub and the repeater?
The repeater is the most simple network interconnection equipment, mainly to complete the physical layer, is responsible for the physical layer of two nodes according to a transmission of information, copy, adjust and complete the signal amplification function, in order to prolong the network length. It is the location of the physical layer in the OSI reference model.
Q:Which brand of network repeaters is of better quality?
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.
Q:Is the bus relay fiber interface integrated with the bus repeater?
Optical fibers use optical pulses to transmit information along the optical line, instead of using electrical impulses to transmit information along the cable. At one end of the system is the transmitter, the starting point of the information to the fiber line. The received electronic pulse information of the transmitter is derived from the copper wire cable, and then the information is processed and converted into an equivalent coded optical pulse. 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. The total internal reflection principle shows that the optical pulse easily eye optical line movement, optical principle of total internal reflection shows that when the incident angle exceeds the critical value, the light will not overflow from the glass; on the contrary, the fiber will be reflected back to the glass if the above do not want to see, look at this: is by resending the data signal or forward, to expand the network transmission distance to generate signals (i.e., amplifying and shaping of the original signal). Principle: a repeater is a device for connecting network lines, often used for two-way forwarding of physical signals between two network nodes. The repeater is the most simple network interconnection equipment, mainly to complete the physical layer, is responsible for the physical layer of two nodes according to a transmission of information, copy, adjust and complete the signal amplification function, in order to prolong the network length.

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