DVB-T COFDM 500mw Power Amplifier Transmitting Model 300-550MHz 0.5W. 500mw Power Amplifier 300-550MHz 0.5W for DVB-T COFDM Digital Wireless Transmission Telemetry. Specification: - Rate range: 300550 MHz continuous 50MHz - Gain: 27 + 0.5 dB - Input power: 0 + 1 dBm - Output power: 27 + 0.5 dBm COFDM - The spectrum from the shoulder: less than or equal to -30 dBc - Power supply voltage: DC +12 V - Working current: 300 + 50 mA - Temperature range: - 40 + 65 C - Module weight: 60 g - Module size: 62 36 14 mm without connectors - Radio frequency joint: SMA-K - Impedance: 50 ohm.Please make sure it is correct. We believe our items are so outstanding. All products are quality checked. We will be happy to resolve any issues you may have in a cordial and friendly manner. We appreciate your Postive Feedback, and will do the same in return. The item "DVB-T COFDM 500mw Power Amplifier Transmitting Model 300-550MHz 0.5W" is in sale since Saturday, November 16, 2019. This item is in the category "Consumer Electronics\Radio Communication\Parts & Accessories\Other Radio Communication Accs". The seller is "flyxy2015" and is located in ShenZhen ,Guangdong. This item can be shipped worldwide.