ITEM NAME:Frequency Test Device for Two Way Radio Transceiver GSM 50 MHz-2.4 GHz GY56 I7M1 Frequency Test Device for Two Way Radio Transceiver GSM 50 MHz-2.4 GHz GY56 I7M1 Operating Temperature: Regular Display Type: Digital Only DIY Supplies: Electrical 100% Brand New and High Quality Frequency Counter for two-way radio and mobile phone Frequency Range: 50Mhz to 2.4Ghz Frequency step: 200K (digital radio signal), 1K, 100Hz Distance covered: 8m for U-band and 5m for V-band Battery: 9V (included) Antenna: pulling out antenna Auto switch off Single button control With collapsible whip antenna 7 DIGIT LCD Display with signal meter One button with all functions colour: Picture color Material: ABS size: 9.4cm x 5.7cm x 2.3cm Package Contents: 1x GY560 Frequency Counter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.