Baofeng UV-5RTP Tri-Power 8/4/1W Two-Way Radio Transceiver (UV-5R Upgraded Version with Tri-Power), Dual Band 136-174/400-520MHz True 8W High Power Two-Way Radio + 1 Programming Cable UV-5RTP is Upgraded version of UV-5R with Tri-Power: High / Med / Low Power Settings (8W / 4W / 1W), Optimal Modulation of TX/RX Power transistor, True 8W Output Power, Longer Effective Talking Range. Frequency Range: 65-108 MHz (Only commercial FM radio reception), VHF: 136-174 MHz (Rx/TX), UHF: 400-520 MHz (Rx/TX). Upgrade the frame material. Metallic, more durable and more fashionable. 3 key BFB upgrade to BFB 301. NOTE: Please get the test review video via the link: s3.aws/senator/EB/EB0E09IL/UV-5RTP+Test+Review.txt Factory defaults frequency is 140-150/430-440MHz (8W Output), please reset the radio to reach 136-174/400-470MHz or program it to reach 470-520MHz. In 136-174/400-470 MHz the radio can achieve tri-power(especially for high power level), but if you want the radio used in above 500Mhz, the maximum output power would be about 6.6w.