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:What's the difference between unlimited 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.
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:RS485 photoelectric isolation relay
The 485 repeater is located in the 485 signal attenuation but also can detect the location of the signal, the 485 signal shaping in the reduction, copy the signal through the RS-485 bus transmission, so as to extend the communication distance of RS-485 bus, RS-485 bus to increase the load capacity of the role.
Q:Ask the difference between the base station and the repeater
The base station is the core part of the mobile communication network. The base station includes the antenna, the tower, the computer room, the base station equipment, the power cabinet, the battery pack, the BTS, the BBU, the cable and so on;
Q:What's the communication pad for?
The trunk board is equivalent to what we call an outside board, mainly to connect voice lines provided by carriers. The relay board is generally divided into analog relays (home lines);
Q:Is intelligent access control available offline?
1. supply voltage: the use of DC 12V-24V + 10%/2A single supply operation, operating current <100mA (excluding electricity plus electricity driven).2. working environment: temperature: 20~+60 relative humidity: less than or equal to 95% DEG C3. optional password keyboard input.4. can manage 100 thousand user card, offline can store 3000 open records, can store up to 2000 black list, storage records in power down, can guarantee 10 years is not lost.5. contactless IC card read and write time: less than 0.2S.6. contactless IC card read and write distance: 10~100mm, IC Keychain caillaux reduced7. network communication interface: RS485 (standard).8. communication transmission distance: 1.2Km (standard), long-distance communication network.9. appearance size: host L95 * W70 * H25mm.10. scope: attendance, access control, online patrol.
Q:Is wireless repeater good or wireless AP good?
Wireless repeaters: in a wide space environment, coverage of wireless signals is more important than bandwidth and speed. There is no doubt that using repeaters to extend the coverage of base stations is a better choice. In the network, wireless repeaters can be simply, narrowly speaking, wireless AP. AP Access Point (wireless access node) abbreviation, it is equivalent to the wired network hub or switch, however, this is a wireless signal transmission function of the hub, it can provide a dialogue for a plurality of wireless Internet devices intersection.
Q:What is the difference between an amplifier and a repeater?
Amplifier: one of the most familiar and most commonly used audio processing circuits is common operational amplifiers. The general can be regarded as a simple operational amplifier with a signal output port (Out) high gain direct coupling voltage and in-phase and antiphase two high impedance input terminal of the amplifying unit, thus making in-phase and antiphase and differential amplifier using operational amplifier
Q:How to connect the router Tuoshi wireless bridge repeater
The relay mode allows multiple client links, and the bridge mode allows only authenticated client relays to be more advanced than wireless bridges. Wireless bridging means connecting two or more LAN or WAN wirelessly.
Q:What's the function of repeaters in fire fighting engineering?
Relay module works in fire protection engineering: in the bus fire automatic alarm system, a local bus failure (such as short circuit) often occurs, resulting in the whole alarm system can not work properly.

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