Exhibit 3 (Model 1800 Master Station Radio)

0215-EX-PL-2002 Text Documents

Alligator Communications

2002-09-18ELS_58242


E5ypeci F{&EZEF ECAE LA SZ ocmson uen cvemnnetnies es General Transmitter Frequency: 360—512 MHz RF Power: 5 Watts (Adjustable: 0.1 to 5.0 Watts) 860—960 MHz Impedance: 50 Ohms Channel Spacing: 12.5 or 25.0 kHz Duty Cycle: Continuous Data Rate: 300 to 9600 BPS Transmitter Attack Time: < 1 msec Input Voltage: 110/220 Va¢c. 12, 24, 48, Frequency Stability: 0.00015% (1.5ppm) —30°C to +60° 125 Vc Modulation Deviation: Input Power: 45 Watts 12.5 kHz Band: +3 kHz max. Transient Protection: 2500 V Isolation on VF 25 kHz Band: +5 kHz max. Input/Output, Keying, Alarm Spurious and Harmonic Emissions: —65 dB and Power Circuits. Audio Input Levels: —25 to +10 dBm, Adjustable Frequency Response: +1/—3 dB; 300 to 3000 Hz Connectors: Antenna Type N Female Modem DB—25 Receiver Diagnostics Modular Phone Line Modular Type: Double Conversion Superheterodyne Alarm Outputs Terminal Block Frequency Stability: 0.00015% (1.5ppm) —30°C to +60° External Battery Terminal Block Sensitivity: —1 17 dBm (0.3 micro volts) Diagnostics Modular (front) 12 dB SINAD Order Wire Modular (front) Selectivity: —100 dB Minimum at Adjacent Channel Alarm Outputs: One each form C dry contact closure relay Desensitization: —65 dB (EIA) at 12.5 kHz Spacing for module malfunction and AC failure. —70 dB (EIA) at 25.0 kHz Spacing Intermodulation: —75 dB (EIA) Environment: Spurious/Image Rejection: —85 dB Temperature: —30°C to +60°C Audio Output Levels: —20 to +6 dBm, Adjustable Humidity: 95% at 40°C Frequency Response: +1/—3 dB, 300 to 3000 kHz Dimension: 19"W x 5.25"H x 17"D, Rack Mount Bit Error Rate: Weight: 35 lbs 1200 bps: BER 1x10~° at —110 dBm 4800 bps: BER 1x10~° at —110 dBm 9600 bps: BER 1x10~° at —103 dBm Agency Certification 360—512 MHz 895—960 MHz Options and Accessories FCC Rules: Parts 90 & 15 Parts 101 (94) FCC Identifier: JL1800B JL1800 Modems: FCC Emission Designators: 12KSFID 12KSFID 1200 BPS, Bell 202 Compatible: RS—232 11KOF2D 11KOF2D 300—9600 BPS, Asynchronous operation; Digital Interface — 12KSF3D 12KS5F3D RS—232 Industry Canada Certification: 3073195404A Transmitter A/B Cycle Over—the—Air Diagnostics & Control Repeater Diagnostics Dial—up Auto Answer Contact factory for other frequency bands and power levels. 315 Brokaw Road Tel: 408—327—0800 Santa Clara, CA 95050 Fax: 408—327—0808 www.alligatorcom.com gator@alligatorcom.com ©Alligator Communications, Inc. 1800 0399 3M


Document Created: 2002-09-18 11:43:33
Document Modified: 2002-09-18 11:43:33
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