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



Summary


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 Principle

The 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)



Downlink

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.

Uplink

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.





Technical Specifications

Item		Specification		Remark
		Up-Link	Down-Link
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
Output Power		30±2dbm	37±2dbm
Nominal Gain		90±3dB	95±3dB
Gain Flatness		≤ 3dB (p-p)
MGC ( Step Attenuation )		≥ 31dB / 1dB step
Max. ALC level		≥25dB
Intermodulation attenuation		≤-45dBc
Spurious emission	9kHz-1GHz	≤-36dBm
	1GHz-12.75GHz	≤-30dBm
Noise Figure.		≤5dB(at maximum output power)
Group delay		≤5us
VSWR		≤1.5
Frequency stability		≤ 0.01ppm
RF Connectors		N - female
Impedance		50 Oms
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
Housing		IP65
Temp rang		-30 to +60 ºC
Size, W×D×H, in mm		680×485×307
Weight		50Kgs
Mounting		Wall mounting as standard, Option PK for pole mounting.

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Product Categories : Band Selective Repeater