wireless audio tour guide system 002ln

Best handheld long range wireless audio tour guide system 002ln Basic Info Model NO.: 002LN Plus Style: Handheld Usage: Commercial, Home Battery Type: Lithium-in Battery Working Frequency Range: UHF Segment Trademark: 002LN Plus Specification: 71*50*19mm Frequensy:863-865MHz ?Channels:20 Talk Range: 250m Type: Handheld Display: With LCD Display Certification: CE, RoHS Transport Package: Package Origin: Shenzhen, china Product Description Main features: 1. Super mini, light weight and metal shell design. Dimension: 71*50*19mm, Weight: 68g (include battery). 2. UHF band PLL synthesized design. 3. 20 Fixed-channels, frequency of User-channel can be set by user. 4. 20 channels (languages) can be switched quickly. 5. 96*64 dot matrix White LCD display. 6. LCD display Channel, frequency, volume, battery, RF level, Audio level and microphone gain. 7. "Digital Pilotone & Noise Lock" dual-squelch Circuitry. 8. High performance double-IF circuit design. 9. High anti-interference performance that makes many units be used simultaneously without interference in one spot. 10. Digital 16-step volume control of receiver. 11. Digital 21-step SQ adjusting of receiver. 12. Dynamic display of Audio level and Audio overload warning of transmitter. 13. 31 steps microphone gain adjustment (-10~+20dB) of transmitter. 14. HIGH/LOW RF power output adjustment of transmitter. 15. Quick-mute function of transmitter. 16. Built-in polymer ion polymer battery, continuously working for 11-13hours. 17. Unique clip-worn design. 18. Parameter setting with password protection. 19. Variously charging equipments for choice, convenient to charge, disinfect, store and carry. 20. Operating range 250m in open ground. url:http://www.richitek.com