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Selective GSM Repeater: Signal GSM-1205P
Kód zboží: A6786
Zboží je stáhnuto z nabídky
Item on request, can be programmed to channels of any mobile operator, depending on the customer needs.


Notice: it is possible to order other repeaters having parameters within the following limits:
- frequency range: 400...2700 MHz
- gain:10...85 dB
- output power: 1...27 dBm
- connectors: SMA or N
Please send your inquiries to our customer service to get valuations.

Selective GSM Repeater: Signal GSM-1205P
Top view of the device
GSM Repeater SIGNAL GSM-1205 (zesilovač)
General view - connectors

GSM Amplifier/Repeater SIGNAL GSM-305
Rear (bottom) view

GSM Amplifier/Repeater SIGNAL GSM-305
The included accessories

The unit comes with a two-year warranty.
Signal GSM-1205P A6786 repeater amplifies GSM signals inside buildings. The device is ideal for locations where the range of a cellular network allows for use of mobile phones out of buildings, but is insufficient for indoor operation. Such locations include some remote places (long distances to base stations), but more often rooms in old buildings with thick walls or in basements and cellars (e.g. pubs, coffee shops). A strong barrier can also be modern windows with panes covered with metallic layers. The device can amplify signals of selected mobile operators (by selecting the appropriate channels).
Distinguishing features:
  • Support for GSM networks (GSM+EGSM) - 880-960 MHz;
  • Compliance with ETSI 300 609-4 required for this kind of devices;
  • AGC (ALC) - automatic gain/level control;
  • MGC - manual gain control (attenuator);
  • Gain suitable for the coverage area;
  • Indoor coverage area up to 1200 m2;
  • Easy installation (Plug and Play);
  • The packaging does not contain an outdoor antenna (it should be selected depending on signal level - usually A741030, sometimes A7018 or A7028);
  • 24-month warranty.
Contents of the set:
  • Main unit,
  • Special bracket for mounting the device,
  • User manual (in English),
  • Power supply.
This product can solve the problem of low signal in hotels, boardinghouses, and various buildings, allowing to use cellular phones for calls and Internet access.
Important features:
Pre-programmed channels The GSM repeater amplifies selected channels within GSM/EGSM frequency bands (880-915 MHz and 925-960 MHz).
ALC function. Automatic level control automatically adjusts gain of the device within range of 20 dB. It will not allow to overdrive the internal amplifier in the case of input signal fluctuations.
Adjustable input attenuation The built-in attenuator allows to adjust the optimum level of the input signal (attenuation 0-31 dB, step 1 dB).
Additional information on the new repeaters is available here.
Installation of the Signal GSM-1205P A6786 repeater:
  • find a place outside building with a good GSM signal,
  • mount the outdoor antenna (usually A741030) so that it is directed towards GSM base station,
  • choose a location for installing the repeater somewhere inside the building to place the indoor antenna in the central part of the building/hall/room to be covered,
  • check if the distance to the place outside is not longer than 10 m (longer distances are not recommended due to power loss),
  • install the Signal GSM-305P repeater in the suitable place in the hall/room (away from heaters etc., ensuring natural ventilation),
  • be sure that the antennas are connected to the dedicated, marked sockets,
  • connect the AC power plug to a wall outlet (230 VAC).
Signal GSM-1205P A6786 repeater connects with both antennas via coaxial cables. It usually provides enough flexibility to place the device near an AC power socket.
Below there is an example of using the repeater for better cellular coverage in a house.
Typical application

NameRepeater SIGNAL GSM-1205P
Operating bands [MHz]880-915
Output power [dBm]10
Gain [dB]60/60
Max group delay [ μs]0.5
Input attenuation (adj. manually) [dB]0-31 (step 1)
AGC range [dB]up to 20
Indoor coverage area [m2]up to 1200
Impedance [Ω]50
100-240 VAC (2 A)
9 VDC (3 A)
Dimensions [mm]218x155x65
Antenna connectors (for outdoor/indoor antenna)N-f/N-f
SIGNAL repeaters is a series of devices that amplify cellular signals in buildings. These professional devices are characterized by high quality and very good stability.
SIGNAL repeaters meet all requirements concerning the legality of their installation and use. All the devices are supplied with CE certificates and fulfill the required standards.

Zboží je stáhnuto z nabídky
Selective GSM Repeater: Signal GSM-1205P
Kód zboží: A6786