|
Bids Are Invited For 1 50W VHF Duplexer with BNC Female connectors on TX, RX & N Female on antenna port, wide frequency band,Low VSWR, Low Attenuation accuracy, Widely usedfor Inbuilding solutions,Frequency range136- 174MHz,VSWR≤1.4 Bandwidth±150kHz,RX-TX Min. spacing 3MHz, Insertion loss≤1.2dB, Isolation≥80dB,Max. I/P Power 50W, Normal Impedance 50Ω, connector 300152691 2 NO 2 Inner Copper conductor diameter 2.69mm, Polyethylene dielectric diameter 9.33mm, First outer copper shield diameter 10.2mm, second outer copper shield diameter 11.2mm, PolyVinyl chloride Jacket diameter 13.85mm, Impedance 50Ω±2, Frequency DC to 3 GHz, Capacitance 101 pF/m, Velocity of signal propagation 66%, Signal delay 5.03ns/m, Insulation resistance ≥1x10^8MΩ/m, Screening effectiveness ≥80dB (up to 1 GHz), Operating voltage ≤6kVrms (@sea level), weight 301 g/m, Min. bending radius 70mm (static) & 140mm (dynamic), temperature range -25°C to +85°C, Installation temperature -20°C to +60°C 300152692 70 M 3 Mobile Base Radio- Frequency Range VHF 136- 174MHz,Channels- 1024,Zone capacity-64(max 16 channels each), channels spacing25/20/12.5KHz, Operating temp. range-30C to +60C(radio), storage temp. -40C to +85C, current drain-standby=<0.6A,receive=<2A,transmit= <12A(45W/50W)&<8A (25W),Frequency stability ±1.5ppm,Antenna Impedance- 50Ohm, Front case - PC+ABS, Weight 1.7Kg Sensitivity- 0.3micro volt, RF output- 25Watt, Channel Spacing- 25/20/12.5KHz operating voltage- 13.6V(± 15%),rated audio distortion- <3%,audio response +1 to -3dB, Dust &water intrusion- IP54 standard. licensing (if required) shall be in party scope 300151013 2 NO 4 Repeater Interface Units- Audio In- 400mV, Audio Out10mV-2V adjustable, PTT sink- open collector (0V24V), Channel spacing- 25/20/12.5KHz, Busy signalHigh to low, low to high (Jumper selection), supply +12V DC, current- 100mA Front panel switch-repeater mode/ local mode,Front panel LED- RPT,COR, PWR, Back panel- Power ON/OFF swtich,D-type 15 pin connector for radio In/Out signal, repeater type- Bi/Uni Directional, licensing (if required) shall be in party scope 300151014 2 NO 5 SMPS Power supply for VHF Static/ Mobile radio- DC current capacity- Max 10A,Type- SMPS/ Linear, Input voltage- 230V±10% at 50Hz, Output voltage- 13.5V DC±5% on min 80% load, continuous duty operation, float and boost charging, Protection- short circuit and reverse polarity protection,efficiency 11 battery cable- more than 80% forSMPSand more than 50% for linear power supply,weight- less than 5Kgs, 300151015 2 NO 2 changeover automatic changeover to battery in case of main power supply failure alongwith float charging facility.Max charging currentof 8A for power supply with boost charging facility and 3A for power supply with float charging facility,11 Batterycable should be providedwith power supply. 6 6.5dB GP Antenna- Transceiver VHF static radio, 25W synthesized, standard 6.5dB GP antenna of reputed brand- OEM test certificate to be attached, standard RG-217 coaxial cable, 30 meter with connectors of reputed brand, licensing (if required) shall be in party scope 300151016 2 NO 7 Installation charges 2 Lumpsum Total Quantity : 82
|