Home narda west GSM BAND FILTERS / DUPLEXERS For More Information Call: (916) 351-4500 EGSM Band Duplexer * * * * * Passes Extended GSM Rx / Tx Bands High Isolation Low Insertion Loss Standard EIA Rack Mount Excellent Temperature Stability DESCRIPTION Narda West's EGSM Band Duplexer provides highly selective receive / transmit combining. This duplexer is designed to pass the extended GSM receive and transmit bands while providing more than 60 dB isolation. It has a 1.5 dB maximum passband insertion loss with 1.0 dB typical. Specifically designed for high power applications, this duplexer has power ratings of 400 watts CW, 600 watts peak with multi-carrier powers of 8 carriers at 10 watts each, and is provided with Type `N' female connectors. SPECIFICATIONS MODEL NUMBER GFD-21A-8896-01 PASSBAND RECEIVE TRANSMIT 880 - 915 MHz 925 - 960 MHz PASSBAND INSERTION LOSS 1.5 dB MAX PASSBAND LOSS VARIATION 1.0 dB MAX PASSBAND RETURN LOSS 14 dB MIN REJECTION ANTENNA TO RECEIVE TRANSMIT TO ANTENNA 65 dB MIN 65 dB MIN DC - 840 MHz 1010 - 2700 MHz ISOLATION RECEIVE TO TRANSMIT TRANSMIT TO RECEIVE 65 dB MIN 65 dB MIN POWER HANDLING1 CW PEAK MULTI CARRIER2 400 W 600 W 8 @ 10 W MONITOR PORT CONTACT FACTORY OPERATING TEMP 0 TO +65C STORAGE TEMP -20 TO +85C CONNECTORS TYPE `N' FEMALE SIZE 19" x 2.49" x 2U 482.6 mm x 63.2 mm x 2U 107 WOODMERE ROAD * FOLSOM, CA 95630 TEL: (1) 916 351-4500 * FAX (1) 916 351-4550 E-MAIL: nardawest@L-3COM.com * www.nardamicrowave.com 110 TOC NOTES: 1Power handling (max watts) includes simultaneous conditions of Antenna VSWR 2:1, altitude 10,000 feet, and case temperature of +50C. 2MULTIPLE CARRIER is defined as the number of carriers, n each at SEPARATE frequencies within the transmit passband applied simultaneously at the power level, p as indicated, completing the formula: n2 x p = Peak Power Handling. Home For More Information Call: (916) 351-4500 narda west GSM BAND FILTERS / DUPLEXERS TYPICAL MEASURED DATA OUTLINE DRAWING TOC 107 WOODMERE ROAD * FOLSOM, CA 95630 TEL: (1) 916 351-4500 * FAX (1) 916 351-4550 E-MAIL: nardawest@L-3COM.com * www.nardamicrowave.com 111