Compatible Radio Models: PTX Series: BR950, PTX700, PTX760, PTX780; Series: GP140, GP238, GP240, GP280, GP318, GP540, GP580, GP320, GP328, GP329, GP338, GP339, GP340, GP360, GP380, GP640, GP650, GP680, GP960, GP1280; HT Series: HT750, HT1250, HT1250LS, HT1250+, HT1550, HT1550XLS; MTX Series: MTX150, MTX450, MTX850, MTX860, MTX950, MTX960, MTX1500, MTX4500, MTX1550, MTX4550, MTX8250, MTX9250; PRO Series: PR860, PRO5150, PRO5350, PRO5450, PRO5550, PRO5750, PRO7150, PRO7350, PRO7450, PRO7550, PRO7750, PRO9150; Series: MTP700, MTP750, MTP810Ex, MTP850Ex. This cable is compatible with the following operating systems: Windows 98ME, Windows 2000, Windows 2003, Windows XP, Windows 7 (32/64 bit), Windows 8 (32/64 bit), Vista. Frequency Range: depends on the radio Storage Channel: depends on the radio Talk Range: depends on the radio Maximum Range: 5km-10km Display: No Walkie Talkie Type: Portable Model Number: USB programming cable GP328 Type: Accessories Notice: The CD contains only the USB driver; radio programming software is not included. If you need programming software for your radio, please and we will provide it. Gently Reminder: 1) Please install the USB driver software before programming. The cable is shipped with one of two chip models: Prolific 2303 or CH340. You can check the chip model by connecting the cable to your PC and viewing "Computer > Device Manager > Ports (COM & LPT)". Download links for the respective drivers are available for each chip. 2) You may install both drivers if you are unsure which chip model you received. Color: Black Material: Plastic Size: Cable length approximately 1 meter Package Contents: 1 x USB Programming Cable for Radio 1 x USB Driver CD Notice: If your radio model is not listed above, please check other listings or with your model number so we can assist in finding a compatible cable. Only the items listed are included; other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.