Trans receiver VHF radio 25 Watt set for frequency band 146 MHz to 174 MHz full band along with suitable antenna, sufficient cable length for connecting antenna complete with connectors, microphone with press to speak switch with coil cord cable, connector for connecting power supply; the equipment must be complied with RDSO specification No. RDSO/ SPN/ TC/ 107- 2018 Ver. 2. 0 or latest.