Product Details  Crystal units we can offer to you the best quality ,the best price and the best delivery and the best serives.  Crystal units has the characteristics of good frequency stability and temperature stability.It is widely used in communication system,space navigation,frequency guide-choice,frequency filter,including,mobile radio,mobile communication,wireless phone,pager,radio station,etc.  Our products mainly export to US, Europe, Korea, Japan,Taiwan, Hongkong.etc.The company strict quality control system and passed the ISO9001 assessment in 1999.  Our company has the policy of Top quality, Competitive price, On-time Delivery and Best Service on behalf of all staff. Welcome customers from all over the world to the company for business and cooperation.  Holder Type : HC-49U,HC-49S,HC-49MD,HC-49T,UM-1,UM-5 Frequency Range : 1.8432 to 80MHz Frequency Tolerance at 25 :+/-2 to +/-50ppm Temperature Stability :+/-2 to +/- 100ppm Temperature Range :-40 to +85 Degree Loading Capacitance :7pf min