Automatic Antenna. SPECIFICATIONS: Gain(dB): 1.8-50MHz Order Guide Type 1: 1. PCB Motherboard X1. (SMD Electronic Components on the Front and Back Have Been Soldered, and the Latest Version of the Firmware Has Been Burned) 2. Several Plug-in Electronic Components and Accessories. (User Welding is Required). 3. 0.96 Inch OLED Screen X1 4. UHF-KF Female (also Named SO239/SL16/PL259) Connectors X2 Shell 1:1. Aluminum Alloy Shell X 1. (140x 88x 38mm L*W*H)2. Front Panel X13. 0.96 Inch OLED Screen X14. Power Switch X15. Tune Button X16. Rear Panel X1 (including a DC5.5x 2.1 Female Socket, Note That UHF Connectors is Not Included)7.UHF-KF Female Connectors * 2 (also Named SO239/SL16/PL259)Shell 2:1. Aluminum Alloy Shell X 1.(140x 88x 38mm L*W*H)2. Front Panel X13. 0.96 Inch OLED Screen X14. Power Switch X15. Tune Button X16. Auto Button X17. Byp Button X18. Rear Panel X1 (including a DC5.5 X 2.1 Female Socket, Please Note That UHF Connectors is Not Included)9.UHF-KF Female Connectors * 2 (also Named SO239/SL16/PL259)Shell 3:1. Aluminum Alloy Shell X1.(140x 88x 38mm L*W*H)2. Front Panel X13. 0.96 Inch OLED Screen X14. Power Switch X15. Tune Button X16. Auto Button X17. Byp Button X18. Rear Panel X19. DC5.5 X 2.1 Female Sockets X110. BNC Connectors X2Shell 4:1. Aluminum Alloy Shell X1.(140x 88x 38mm L*W*H)2. Front Panel X13. 0.96 Inch OLED Screen X14. Power Switch X15. Tune Button X16. Auto Button X17. Byp Button X18. Rear Panel X19. DC5.5 X 2.1 Female Sockets X110. SMA Connectors X2 Package Included: 1x Automatic Antenna. We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.