Vertex/Standard ATL-1C, 42-50 Mhz Antenna for VX-510 Quantity in Basket: None Code: ATL1C Price: $27.20 Shipping Weight: 1.00 pounds Suggested List: $32.00 Quantity: Vertex/Standard ATL-1A, Low Band 42-50 Mhz Handheld Antenna. Fits VX-510 Handhelds.