37dBm 95dB GSM Dcs WCDMA Triple Band Selective Repeater with Remote Control
- Model NO.: ET-BRGDW37T-F
- Standard: Standard
- Certification: ISO, CE
- Weight: 52kg
- Work Environment: Outdoor ,IP65
- Trademark: etenda
- Origin: Shenzhen
- Type: Wireless Repeater
- Lightning Protection: With Lightning Protection
- Condition: New
- Product Size: 68*;48.5*30.7cm
- Outpower: 37dBm
- Specification: CE, ROHS
- HS Code: 8517611010
37dbm 95db GSM DCS WCDMA triple band selective repeater with remote control
The Repeater is a radio signal to signal enhancement in the wireless communication transmission in the process of transmitting transfer repeater device. It not only enlarged downlink signal but also enlarge the uplink signal. Widely used in local signal blind elimination influenced by many-storied buildings, alpine terrain, landform, terrain and produce or weak signal area. Through setting up a repeater can reduce the investment situation of base station coverage, improve the effect and range of the base station signal.Function:
Adjust the gain of the uplink and downlink.
Set maximum output power of the uplink and downlink.
Detect operating temperature of the equipment.
Detect output power of uplink amplifier and downlink amplifier.
Detect input power of uplink and downlink.
Check the uplink LNA and downlink LNA for working properly
Check the uplink and downlink "Band selective filter" for working properly.
Check the uplink PA and downlink PA for working properly.
Switch on and switch off the power amplifiers of uplink and downlink.
Set the frequency of uplink signal channel and downlink signal channel.
Detect the VSWR of downlink output antenna port.
Working PrincipleThe repeater is connected to a BS antenna, directed towards the base station, and to a MS antenna directed towards the area to be covered. These antennas are connected to the repeater with N type male connectors.
Our repeaters are controlled by powerful microprocessors. Alarm and operational LEDs are visible on the repeater front. The repeater works with convection cooling without fan.
Operational parameters such as gain, ower levels, etc. are set using a desktop or notebook and the OMT32, which communicate, locally or remotely via modem, with the repeater control unit (CU). Remote operation is performed using a telephone line or a built-in mobile phone equipped with a data interface.(option)
The signal from the base station is received via the repeater BS antenna and is then the signal passes BS duplex filter (DPX), is amplified in a low noise amplifier (LNA), and enters the downlink channel boards (BSA), the signal first mixer stage on the BSA amplifier board, which is controlled by a synthesizer, converts the received frequency down to the IF frequency. The signal is then filtered by a SAW band-pass filter and, amplified before it is fed to the second mixer stage, controlled by the same synthesizer as the previous one, for converting back to the original frequency.
The output signal from the mixer is then amplified in the power amplifier and fed to MS duplex filter (DPX), and then it is fed to the repeater MS antenna.
The signal from the Mobile phone is received via the repeater MS antenna and is then the signal passes MS duplex filter (DPX), is amplified in a low noise amplifier (LNA), and enters the uplink channel boards (BSA), the signal first mixer stage on the BSA amplifier board, which is controlled by a synthesizer, converts the received frequency down to the IF frequency. The signal is then filtered by a SAW band-pass filter and amplified before it is fed to the second mixer stage, controlled by the same synthesizer as the previous one, for converting back to the original frequency.
The output signal from the mixer is then amplified in the power amplifier and fed to BS duplex filter (BS-DPX), and then it is fed to the repeater BS antenna.
|Frequency range||910-915 Mhz||955-960 Mhz||GSM, can be customized|
|1755-1770 Mhz||1850-1865 Mhz||DCS,can be customized|
|1950-1960 Mhz||2140-2150 Mhz||WCDMA,can be customized|
|Gain Flatness||≤ 3dB (p-p)|
|MGC ( Step Attenuation )||≥ 31dB / 1dB step|
|Max. ALC level||≥25dB|
|Noise Figure.||≤5dB(at maximum output power)|
|Frequency stability||≤ 0.01ppm|
|RF Connectors||N - female|
|Alarms||Yes, amplifiers status, power amplifiers status, power supply failure, battery backup failure, temperature RF overload|
|Local management and supervising||Built-in gain adjustment interface and alarms/status LEDs, PC access via RS-232 (OMS)|
|Remote management and supervising||Remote access via wireless GSM SMS modem|
|AC Supply||220 VAC or 110VAC or 48VDC or 24vdc or 12vdc|
|Temp rang||-30 to +60 ºC|
|Size, W×D×H, in mm||680×485×307|
|Mounting||Wall mounting as standard, Option PK for pole mounting.|