Cart 0 Product Products (empty)
No products
To be determined Shipping
$0.00 Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart. There is 1 item in your cart.
Total products
Total shipping To be determined
Total
New 
View larger
View larger 
ETSI TR 131 900
M00000192
New product
ETSI TR 131 900 Universal Mobile Telecommunications System (UMTS); SIM/USIM internal and external interworking aspects (3GPP TR 31.900 version 3.1.0 Release 1999)
standard by European Telecommunications Standards Institute, 09/01/2001
In stock