The CalAmp line of integrated dipole downconverters incorporates a proprietary "low loss dipole" and a high performance low noise downconverter.

Specifications*

RF Input Frequency   2500 - 2686 MHz IF Output Frequency   222 - 408 MHz Gain (Converter)   36 dB ± 3 dB Noise Figure (Converter)   1.7 dB IF Rejection   -80 dBc IMD   -50 dBc Third Order Intercept Point   22 dBm   General:   LO Frequency Set   2278 MHz ± 15 KHz LO Frequency Stability   ± 30 KHz; ± 50 KHz Max Phase Noise   -85 dBc/Hz @ 10 KHz PCS Rejection (1930-1990 MHz)   90 dB (40 dB is pre-LNA) Output Connector   F-Type, 75 Ohm Supply Voltage   +16 to +24 VDC Current   235 mA Operating Temperature   -40°C to +60°C Finish   Chem Film Conversion Physical Size   3.0 x 4.0 x 11.6 in Physical Weight   9.5 oz   Antenna:   (with 21 dBi Reflector) Gain   21 dBi ± 1 dB Front-to-Back Ratio   18 dB Min over back hemisphere   27 dB Min @ 180° Side Lobe Level   -19 dB ± 3 dB 3 dB Beamwidth   12.5° Cross polarization   28 dB   Gain   24 dBi ± 1 dB Antenna:   (with 24 dBi Reflector) Front-to-Back Ratio   21 dB Min over back hemisphere   28 dB Min @ 180° Side Lobe Level   -20 dB ± 3 dB 3 dB Beamwidth   9.75° Cross polarization   28 dB