The BK Precision 2120C is a dual trace oscilloscope that offers high performance at a low price. Most competitor's entry level oscilloscopes have a 20 MHz bandwidth, while BK Precision's 2120C has a bandwidth of 30 MHz. The BK Precision 2120C oscilloscope is built by and backed by BK Precision, a company that has been selling reliable, durable, value priced test instruments for over 60 years.