Check the listing for details. RF Power Amplifier 50 W 400-470 MHz Extended Range Amplifier New. Condition: New. Listed at 139.00 USD. Part No. : 433 MHz 50W Download : RF Power Amplifier 50 W 470 MHz Extended Range Amplifier The function is to amplify the low-power signal of the original 400-470MHz device, increase the power of the signal, and enable the small device to have high power, making the communication distance longer and the voice clearer, expanding the coverage range. It is equipped with an automatic transmission and reception conversion circuit for transmission and reception switching. It is suitable for handheld U-band walkie talkies and data transmission devices on the market, and can also be used for various one-way data transmission radios and radio equipment testing, electromagnetic compatibility testing, and so on! 1. Technical indicators 1) Working frequency: 400-470MHz 2) Input power: 1-5W (usually handheld walkie talkies) 3) Receiving frequency: 50-1000MHz 4) Working mode: Half duplex (unable to receive during transmission) 5) Receiving loss: 0.5dB (can be ignored) 6) Output power: 50W (typical value) 7) Power supply voltage: 12-15V (typical value of 13.8V) 8) Working current: 10A (typical value) 9) Standby current: approximately 50mA (receiving without power supply) 10) Heat dissipation method: 40 degree intelligent temperature controlled air cooling 11) External dimensions: 135mm x 120mm x 90mm 12) Total weight: 680g Payment We accept PayPal only.All major credit cards are accepted through secure payment processor PayPal.Payment must be received within 7 business days of auction closing.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.Delivery detailsItem will be shipped out within 48 hours upon receipt of your payment.The shipping time details, please read the shipping and delivery together with the price.We ship to your PayPal address. Please make sure your PayPal address is correct before you pay.Considering the cost of business and easy shipping, usually the item is packed in retail packaging.Terms of saleAll the products we are selling include factory warranty, don?t cover items that have been abused, burned and damaged in any form.Please contact us via eBay Message if you have NOT received item in 30 days, we will check it with post office, and then resend or refund any missing item.In the unlikely event that your product is faulty in anyway, you must contact us ASAP and then return it within 7 days of receipt. The postage and packing fee will NOT be refunded.We will not be responsible for the delivery or insurance charges incurred in returning item back to us.If you return an item purchased from us, it must be back in Factory Condition. This includes packaging, inserts, manuals etc. please allow us to 5 Working Days for us to process your returned item.About usIf you have any questions, please fee free to email our service specialists 24 Hours a Day, 7 Days a Week.We will reply you ASAP. If no response within 24 Hours, please check the spam in your mail box.We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help.Contact usPls contact us through ebay message or email.