Open Tender for HANDHELD TWO WAY DIGITAL UHF VHF TRANSCIEVER,SHORT RANGE FIRING HELMET,SURGE PROOF SPARK PROOF RECH in DHARWARD, KARNATAKA

Device Type Handheld portable two way radio transceiver Frequency Range Typically VHF UHF depending on model and regional version Frequency Bands VHF approximately 136 174 MHz UHF approximately 400 520 MHz Channel Capacity Programmable memory channels typically 128 or more RF Output Power Selectable high low transmit power typically up to 5 W Operating Mode Analog FM Channel Spacing 12 5 kHz 25 kHz selectable Frequency Stability Typically plus or minus 2 5 ppm Antenna Impedance 50 ohm Antenna Type Removable flexible whip antenna Receiver Sensitivity Approximately 0 2 uV or better at 12 dB SINAD Audio Output Internal loudspeaker with external audio accessory support Modulation FM with narrowband wideband channel options Squelch Adjustable noise squelch Signalling CTCSS and DCS tone code signalling Display Backlit LCD displaying frequency channel battery status and operating information Keypad Programmable keypad for direct frequency channel entry and function access Scanning Channel and frequency scanning capability Dual Watch Monitoring of two selected frequencies channels where supported Emergency Function Programmable alarm emergency alert function depending on configuration Battery Type Rechargeable lithium ion battery pack Battery Capacity Typically 1500 2000 mAh depending on supplied battery Operating Voltage Approximately 7 4 V DC Charging Method Desktop charging cradle or compatible direct charging system Accessory Interface External speaker microphone and programming interface Programming PC programmable using compatible programming cable and software Dimensions Compact handheld form factor approximately 110 58 32 mm excluding antenna Weight Approximately 200 250 g including standard battery Operating Temperature Typically around minus 20 to plus 60 degree C Construction Durable portable enclosure suitable for general communication use

Type Portable rechargeable LED search light Light Source High power LED Brightness Minimum 1000 lumens Beam Range Approximately 500 800 metres Light Modes High Low and Flashing Strobe Battery Built in rechargeable lithium ion battery Battery Capacity Approx 3000 6000 mAh Charging USB Type C or equivalent charging Runtime Approx 3 8 hours depending on mode Body Durable ABS metal construction Handle Ergonomic carrying handle Weather Protection Preferably IP54 or higher Application Outdoor search emergency security and general illumination

Type Portable rechargeable smart LED projector Native Resolution 1280 x 720 pixels HD Maximum Supported Resolution Up to 4K content Brightness Up to 4000 lumens Screen Size Approximately 102 381 cm Projection Distance Approx 0 9 5 metres Display Technology LED LED Life Up to 50000 hours Smart Platform Android based smart projector system Processor Quad core processor RAM Approx 1 GB Internal Storage Approx 8 GB Wi Fi Dual band 2 4 GHz 5 GHz Bluetooth Version 5 4 or equivalent Screen Mirroring Miracast and iOS mobile screen mirroring Keystone Automatic keystone adjustment Tilt Mechanism Adjustable projection angle Ports HDMI USB and AUX output Speaker Built in speaker Battery Built in rechargeable battery Battery Backup Up to approximately 3 hours Remote Wireless remote control Power AC adapter and rechargeable battery operation