infrared interpretation system

parameters Frequency Range: 2.0 6.0MHz Modulation: FM / superheterodyne PLL Encryption method: light barrier Cell parameters: 3 AAA batteries 700mA Ni-MH battery Power consumption: 50mW Working Time: 50 hours Dimensions (L × W × H): 156mm × 65mm × 26mm Weight: 0.15Kg Operating temperature: 0 45 °C Storage temperature: -20 50 °C LCD display indicating the volume and channel status Free to adjust the volume and choose to listen channel Emitted in the infrared range, the receiver unit increase in the number of unrestricted Phase-locked with high-performance chips to lock more precise, so that all channels between the more accurate frequency selection Low-power circuit design, the use of rechargeable NiMH batteries long operating time Free venue seating restrictions, users can be arbitrarily move within the signal radiation 4 / 6 channel for customers to choose