Technical Specifications：

Appearance Meet the specification requirements for the laminate of microwave PCB 

by National and Military Standards.

Types......................................... F4BH220

Dielectric Constant.................... 2.20

Dimension（mm）.....................460×610

PTFE Laminate thickness..........1mm

Copper thickness.......................3 OZ , 105 microns each side, DOUBLE SIDE

Cutting/punching Strength 

- Thickness<1mm，no burrs after cutting，minimum space between two punching holes is 0.55mm，no delamination.

- Thickness>1mm，no burrs after cutting，minimum space between two punching holes is 1.10mm，no delimitation.

Peel strength

-Normal state：≥18N/cm；No bubble、delimitation、peel strength≥15N/cm（in the constant humidity and temperature、and keep in the melting solder  of 260℃±2℃ for 20 seconds）. 

Chemical Property

-According to the properties of laminate，the chemical etching method for PCB can be used. The 

dielectric properties of laminate are not changed. The plating through hole can be done，but the 

sodium treatment or the plasma treatment must be used. The Hot Air Level temperature can not 

be higher than 253℃，and can not be repeated.

Postage by

We use trackable Airmail Postage

Faster and Safetier

we DONT use SeaPostage

FrequencyRF

-

Giant Communication 

Giant Communication Deliver all Broadcast FM , TV and Amateur Radio Equipment , Please Ask if you have any Custom design requirement, We design and Manufacture FM Transmitter and TV Transmitter , High Power Amplifier from HF , VHF , UHF.

We also build any kind of Antenna system for HF , VHF , UHF , Yagi, Dipole, Log Periodic, Vertical , Panel and others 

For Bulk Purchase for special need, we do also offer our customer.

Please Ask for any Specification that you want , 

Please Be Wise for the purchase , this is the International Shipment, Buyer will need to pay for the Return ,  Thank you

      TERMS & CONDITIONS

·   Dear Buyer, Please Note that this item is exactlly like the picture, We took picture from our original Stock.

·   Serial Number might be different.

DELIVERY.

·   Dispatch of goods will be arranged through us. 

·   Packing is Good, we are in the Ebay Business for 20 years

·   We Use FEDEX and DHL Express , for Remote Area cases we will ask buyer.

·    If problems do arise, please contact us , and we will kindlly resolve any issues.

·   Postage with Trackable with Tracking Number

·  Please Be Wise , this is International Shipment, the unit will be carefully checked before we send it, we don't offer Return, but if customer want to return it, customer need to pay for the Postage return.

Thank you

SELLER CODE =

MM1A-A