{"product_id":"hamgeek-st7500-400-520mhz-199-channels-portable-simplex-walkie-talkie-led-display-with-flashlight-function","title":"HamGeek ST7500 400-520MHz 199-Channels Portable Simplex Walkie Talkie LED Display with Flashlight Function","description":"\u003cp\u003e\u003cb\u003eHamGeek ST7500 400-520MHz 199-Channels Portable Simplex Walkie Talkie LED Display with Flashlight Function\u003cbr\u003e\u003cbr\u003eFunctions:\u003c\/b\u003e\u003cbr\u003e- 199 channels\u003cbr\u003e- Flashlight functions\u003cbr\u003e- Digital encryption\u003cbr\u003e- One key to the frequency\u003cbr\u003e- Chinese\/English menu\u003cbr\u003e- LED display\u003cbr\u003e- Large capacity lithium battery\u003cbr\u003e- Type-C charging\u003cbr\u003e\u003cbr\u003e\u003cb\u003eGeneral Specification:\u003c\/b\u003e\u003cbr\u003e- Frequency range: 400 - 520MHz\u003cbr\u003e- Frequency engender: phase locked loop frequency\u003cbr\u003e- Channel capacity: 199 channels\u003cbr\u003e- Operating voltage: DC3.7V (battery)\u003cbr\u003e- Antenna: inductively loaded antenna\u003cbr\u003e- Antenna impedance: 50ohms\u003cbr\u003e- Work mode: same frequency simplex\/different frequency simplex\u003cbr\u003e- Ground method: negative electrode\u003cbr\u003e- Channel spacing: 12.5\/25KHz\u003cbr\u003e- Working temperature: -20℃ ~ +60℃\u003cbr\u003e- Frequency stability: +\/- 2.5PPM\u003cbr\u003e- Dimension: 145 x 61 x 46mm\u003cbr\u003e- Net weight: 255g\u003cbr\u003e- Built-in battery capacity: 4800mAh\u003cbr\u003e\u003cbr\u003e\u003cb\u003eTransmitter Parameter:\u003c\/b\u003e\u003cbr\u003e- RF power output: 10W\u003cbr\u003e- Modulation type: F3E\u003cbr\u003e- Modulation distortion: ≤5%\u003cbr\u003e- Max frequency deviation: ≤±5KHz\u003cbr\u003e- FM noise: ≤ -45dB\u003cbr\u003e- Sparious radiation: \u0026lt; -60dB\u003cbr\u003e- Preemphassis character: 6dB\u003cbr\u003e- Frequency characteristic: ±3dB\u003cbr\u003e- Signal noise ratio: 40dB\u003cbr\u003e\u003cbr\u003e\u003cb\u003eReceiver Parameter:\u003c\/b\u003e\u003cbr\u003e- Sensitivity (12dB SINAD): 0.16uV\u003cbr\u003e- Selectivity: 55dB\u003cbr\u003e- Adjaceng channel selectivity: ≥70dB\u003cbr\u003e- Noise respond: ≥60dB\u003cbr\u003e- FM noise: 45dB\/40dB\u003cbr\u003e- Modulation type: F3E\u003cbr\u003e- Audio distortion: 1W\u003cbr\u003e- Audio distortion: \u0026lt; 5%\u003cbr\u003e- Intermodulation interference resistance: ≥60dB\u003cbr\u003e- Standby current: ≤20mA\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Included:\u003c\/b\u003e\u003cbr\u003e- 1 x Walkie Talkie\u003c\/p\u003e","brand":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products, Audio Amplifer and Decoders","offers":[{"title":"Default Title","offer_id":41029110071345,"sku":"88489","price":25.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4790\/6353\/files\/1713926107-8.jpg?v=1780390738","url":"https:\/\/www.thanksbuyer.com\/products\/hamgeek-st7500-400-520mhz-199-channels-portable-simplex-walkie-talkie-led-display-with-flashlight-function","provider":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products,  Audio Amplifer and Decoders","version":"1.0","type":"link"}