Installation and Operating Instructions
Table Of Contents
- and
- Dual Band
- Compact Bi-Directional Amplifiers
- The switch on the RF amplifier enables the AGC function. If the AGC is disabled then the amplifier gives maximum gain.
- MGC: The RF gain of the CBDA can be reduced by about 15 dB using the continuos trimmer on the amplifier. The RF gain is at maximum when the trimmer is at counter-clockwise direction. To reduce the gain, turn the trimmer clockwise using a screwdriver. Tur
- The AGC and MGC functions for the uplink path are reached by opening a small cover located on the DBA side adjacent to the Mobile antenna port. For the downlink path the window is located on the side near the Base antenna port.
- Limited Warranty
Electrical Specifications
Downlink Frequency Range 851 – 869 MHz
935 – 941 MHz
Uplink Frequency Range 806 – 824 MHz
896 – 902 MHz
Passband Gain @ min attenuation 65 dB nominal
Passband Ripple ±1.5 dB typical
Output Power AGC Set +24± 1 dBm
AGC Selection By ON/OFF Switch
AGC Dynamic Range 25 dB typical
AGC LED Indication LED turn ON when power reaches AGC Set
Power Level. (both at On and Off positions).
MGC (Manual Gain Control) Dynamic Range 15 dB min
Noise Figure @+25°C and max gain 6.0 dB max
3rd Order Intercept point +44 dBm typical
IMD @2 tone @+20 dBm/Carrier 48 dBc typical
VSWR 1.5 : 1 max
Downlink alarm turn on DL power <15 dBm
Power Supply 80 to 240 VAC; 50 to 60 Hz; @500 mA
Dekolink Wireless Ltd.;16 Bazel St.Qiryat-Arieh Petah-Tikva Israel, 49510
Tel- 972-3-9180-180; Fax-972-3- 190-9180 ; Email-marketing@dekolink.com
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Web site-
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