Check the listing for details. ADF4351 35M-4.4GHz RF Signal Source Development Board Signal Generator Module. Condition: New. Listed at 24.95 USD. ADF4351 35M-4.4GHz RF Signal Source Development Board Signal Generator ModuleDescriptionFirst, the product introductionThe core chip uses the ADF4351 with reference to the official principle to optimize the layout and extremely high power flatness over the entire operating band of the module.Second, the product parameters1. Output frequency range: ADF4351: 35M-4400M (4.4G)4, the output signal: 2200M-4400M fundamental wave (sine wave) 35M-2200M fundamental frequency division (square wave)5, the output signal interface: SMA female6, the default +-50ppm 25M imported active crystal. Provide PDF format circuit diagram and STM32 test program.7, control mode: three-wire SPI. Lead control pin and lock status pin. All functions can be realized, including point frequency, frequency sweep and frequency hopping, stepping can be 1K, low frequency stepping can be up to 0.1K, according to crystal Frequency to decide.Third, matters needing attention1, can be powered by 3.3v pin, the power supply can provide current is not less than 500mA.2. The typical power supply is 5v.Fourth, the delivery list1, 35M-4400M RF signal generation module ShippingItem will be shipped within 24 -48 hours after full payment is received.Normally the shippment to worldwide is used to take 25 to 30 business days, exclude Sat & Sun.PaymentWe accept PayPal only.Payment must be received in 7 business days of auction closing.Please leave note for your special request (e.g. Colors or Size) in ebay note when you pay the order.Any special request cannot be accepted after 24 hours of payment,because most of orders will be processed instantly and same day dispatched.Contact UsIf you have any questions, please feel free to email our servicer ，and we will reply you ASAP. If no response within 24 Hours, please check the spam of mail box or kindly re-send it to us.We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without any contact. If you haven't received item in 45 days, please contact us and we will arrange refund or resend Feedback Customer satisfaction is very important to us. If you have any problem with your order,please contact us and we will do our best to make you satisfied, please do not leave a negative feedback before we resolve your problem. We guarantee that your issue will be solved quickly.As long as you are happy with your purchase of , please leave us a positive feedback. Your feedback is very important to us it affects our search placement on eBay. We will leave a positive feedback for you in return automatically once we receive your feedback