Check the listing for details. 5pc BGY284E Power amplifier with integrated control loop，Quad band GSM amplifier. Condition: New. Listed at 88.00 USD. Part No. : BGY284E Download : Power amplifier with integrated control loop for GSM850, EGSM900, DCS1800 & PCS1900 • Quad band GSM amplifier • Very small size (8 x 8 mm). • Suited for GPRS class 12 (duty cycle 4 : 8) • Integrated power control loop • 3.5 V nominal supply voltage • 35 dBm controlled output power for GSM850/EGSM900 • 32.5 dBm controlled output power for DCS1800/PCS1900 • Easy on/off and band select by digital control voltage • Internal input and output matching • Specification based on 3GPP TS 45.005. APPLICATIONS • Digital cellular radio systems with Time Division Multiple Access (TDMA) operation (GSM systems) in four frequency bands: 824 to 849 MHz, 880 to 915 MHz, 1710 to 1785 MHz and 1850 to 1910 MHz. DESCRIPTION The BGY284 is a power amplifier module in a SOT775 surface mounted package with a plastic cap. The module consists of two separated line-ups, one for low band (LB,GSM850/EGSM900) and one for high band (HB, DCS1800/PCS1900) with internal power detection function, power control loop, input and output matching. See the simplified internal circuit on page 4. The power control circuit ensures a stable power output set by the level of VDAC and stabilised to compensate variations of supply voltage, input power and temperature, with a control range fully compliant with ETSI time mask and power spectrum requirements Maker： PHILIPS [NXP Semiconductors] 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.