ITEM NAME:Diy High Accuracy and Sensitivity 1-500 Mhz Frequency Meter Counter Module H1U9 Diy High Accuracy and Sensitivity 1-500 Mhz Frequency Meter Counter Module H1U9 Higher reliability and durable quality. Standard interface for easy connections with other tests or antennas. Input is via an SMA jack (female). Display: 38 * 16mm LCD Display, low-power consumption. Frequency Range: 1~500 MHz, 100Hz resolution Power Mode: 9V Battery (Not Included) Model Number: 500M Frequency Counter DIY Supplies: Electrical Size: 140*9*1.6mm Color: green Material: Metal, PC Package Contents: 1 * High Accuracy Frequency Counter