This tender invites bids for the supply of RF Interface Units specifically designed for airborne avionics systems at Pakistan Aeronautical Complex Kamra, Punjab. The procurement falls under the Electronics & Appliances category and is issued by the Ministry of Defence through PAC Kamra. The RF Interface Units must meet detailed technical specifications including input power requirements, sensitivity, gain, and immunity against jamming signals. Vendors are expected to provide Component Screening Certificates and ensure the units are of the latest production series with a warranty period of 12 months. Delivery is required within six months on CIP Islamabad basis. The scope involves development and supply of hermetically sealed microwave assemblies capable of handling RF input signals from 2 to 18 GHz with precise gain control and video output signals. The units must be compatible with existing systems and undergo rigorous technical scrutiny including sample pre-qualification and integration testing with the National Highway Authority (NHA). Vendors must demonstrate relevant experience in avionics RF interface development, possess necessary infrastructure, qualified teams, and provide comprehensive system documentation in English. Bidders should ensure compliance with PEC categories and maintain active tax status on the FBR Active Taxpayer List (ATL) for the fiscal year 2025-26. The tender requires submission of complete IT documents, OEM certificates, and a 10% Performance Bank Guarantee at contract signing. The bid security is set at 5% of the quoted value, not exceeding PKR 400,000, to be submitted as a Call Deposit Receipt or equivalent. The submission deadline is set for 31 March 2026 by 10:30 AM, with technical bids opening at 11:00 AM on the same day at the Directorate of Central Procurement, PAC Kamra. Bidders must submit sealed envelopes containing separate technical and commercial offers along with bid security. Late submissions will not be entertained. The physical address for submission is Directorate of Central Procurement, Pakistan Aeronautical Complex, Kamra, District Attock. Pro-Tip: Make sure to provide a sample of the RF Interface Unit at the time of technical bid opening as technical acceptance depends on pre-qualification of the sample on the tester and integration with NHA. Also, carefully check the tender documents for specific stamp duty and bid security requirements which are often overlooked, leading to disqualification.