70--Low-Band Portable Two-Way Radios and Base-station Radios and Antennas for use in Central America

The United States Department of the Interior is seeking qualified sources to provide low-band portable and base-station radios and antennas for use in Central America, specifically Guatemala. This "sources sought" notice is considered market research and there are no assurances made that a solicitation for these items will result. The Government reserves the right to select the procurement method considered most advantageous to the Government and appropriate for any requirement that might ensue: e.g. GSA schedule buy, full and open competition, small business set-aside, etc. Interested parties which believe that they can meet or exceed the specifications listed below are asked to contact the Contracting Officer via e-mail at: marc _ g _ mackeigan @ nbc.gov no later than 5:00 pm local time Tuesday September 21, 2004. Questions and clarifications should also be sent via e-mail. ATTACHMENT A - GUATEMALA RADIO EQUIPMENT SPECIFICATIONS SPECIFICATIONS BASE/MOBILE TWO WAY RADIO GENERAL Channel Capacity from 64 and up FCC Description AZ492FT1626 (42-50 MHz) Weight less than 5 lb Typical RF Output 40-60W Additional requirements (very important) Capable of operation and in Latin America (Guatemala) Accessories included Speaker microphone Additional associated equipment required (only base radios) Complete solar panel system capable of being the single power source for the base radio, low maintenance and easy installation ENVIRONMENTAL Operating temperature from 0 to 60°c Thermal Shock -55 to +85°c Humidity 95% RH @ 8 Hr. Water intrusion Industrial Standard IP54 Packing Test Impact Test TRANSMITTER Frequencies 42-50 MHz (low band) Power output 40-60 W Channel spacing 20 kHz Frequency Stability ± 5 ppm Audio Distortion 3% or less RECEIVER Frequencies 42-50 MHz (low band) Frequency Stability ± 5 ppm Sensitivity (12 dB SINAD) EIA .30 µV - .25 µV Channel Spacing 20 kHz Intermodulation 80 dB Adjacent Channel Selectivity 80 dB Spurious Rejection 80 dB Rated Audio 3W Internal, 13W External Audio Distortion @ Rated Audio 3% typical Audio Response (300 - 3000 Hz) TIA603 & ETS300 & CEPT 84 Annex 2 Conducted Spurious Emission FCC Part 15 -57 dBm 1 GHz GUATEMALA RADIOS: SPECIFICATIONS PORTABLE TWO WAY RADIO GENERAL Channel Capacity from 4 and up Power Supply rechargeable battery 7.5V Weight less than 20 oz (with battery) Battery Life more than 7 hours Additional requirement (very important) Capable of operation and in Latin America (Guatemala) Accessories included Belt clip, 1 extra battery (+ 7 hours power each), battery charger ENVIRONMENTAL Operating temperature from 0 to 60°c Humidity 95% RH @ 8 Hr. Water intrusion Industrial Standard IP54 TRANSMITTER Frequencies 42-50 MHz (low band) Power output 1-6 W Channel spacing 20-25 kHz RECEIVER Frequencies 42-50 MHz (low band) Sensitivity (12 dB SINAD) EIA .30 µV - .25 µV Sensitivity (20 dB SINAD) ETS .50 µV Channel Spacing 20/25 kHz Intermodulation 70 dB Adjacent Channel Selectivity 60 dB @ 12.5 kHz/70 dB @ 25 kHz Spurious Rejection 70 dB Rated Audio 0.5 W Audio Distortion @ Rated Audio 3% typical Audio Response (300 - 3000 Hz) +1 to -3 dB Conducted Spurious Emission FCC Part 15 -57 dBm 1 GHz GUATEMALA RADIOS: ANTENNAS FOR BASE RADIOS TO OPERATE WITH BASE RADIO SELECTED Specific Frequency 42-50 MHz Gain 3 dB Maximum Input Power 300 W Weight less than 30 lb Rated wind velocity >150 km/hr Bandwidth for >1.5 to 1 VSWR 3.5@35 MHz H. Beamwidth (-3dB) Offset Lightning Prot. Direct Ground Vert. Beamwidth (-3dB) 68° Additional accessories A 75' telescopic mounting pole and all hardware needed to mount the antenna GUATEMALA RADIOS: ANTENNAS FOR BASE RADIOS TO OPERATE WITH MOBILE RADIO SELECTED Maximum Power 500 W Grounding DC grounded Frequency Range 42-50 MHz Gain Unity Spring Stainless Steel Maximun height 52" Additional accessories All hardware required to mount in pickup truck GUATEMALA RADIOS: COAXIAL 50 Ohm TRANSMISSION CABLE (to connect Base Radios to Antennas) Type RG-8/U CONDUCTOR Number of Coax 1 Conductors 1 Conductor diameter At least 0.085" Conductor material Bare cooper INSULATION Material Polyethylene Insulation diameters 0.285" Outer jacket PVC MECHANICAL SPECIFICATIONS Operating temperature -40-+75°c Max pulling tension > 180 lbs SUITABILITY Indoor Yes Outdoor Yes GUATEMALA RADIOS: REGULATED POWER SOURCE (for base radios, required if not included with solar panel system) Chassis Heavy Duty Heat Sink Output Three connector power cord Input voltage 105-125 VAC Output voltage 13.8 VDC ±0.05 volts Ripple less than 5mV peak to peak Continuos duty 25 amps ICS 35 amps Weight less than 30 lbs Backup power Battery charger GUATEMALA RADIOS: SUMMARY Description Quantity Base/Mobile Radios 4 Solar Pannel System to Power Base Radios 3 Portable Radios with 2 batteries 16 Antennas for Base Radios 3 Telescopic Poles to mount Antennas for Base Radios 3 Cable to connect antennas with Base Radios 450 feet Power source for base radios (optional if not included in Solar Pannes System) 3 IT IS IMPERATIVE THAT ALL RADIO SYSTEMS ARE COMPATIBLE WITH LATIN AMERICAN RADIO REQUIREMENTS. Thank you for your interest in this notice and for any resulting feedback. Marc G. MacKeigan Contracting Officer Office of the Secretary National Business Center United States Department of the Interior 1849 C Street NW MS-1324 Washington, DC 20240