rechargeable IR receiver

IR transmitter main unit STC641,STC661 High security Be suitable be used in all kinds of meeting Built-in automatic level control (ALC) Light immunity Easy to install, save the project cost Frequency synthesis: digital PLL Smart design With six independent outputs for sound recording Transmits up to six audio channels to different carrier frequencies It features built-in IR test diodes for testing of receivers LED audio level indicators 19" rack mountable Modulation: FM 6 individual frequencies output socket can be connected with infrared and wireless language division system IR transmitter unit STC622,STC642,STC662 Maximum area of coverage: 40m(25w)/20m(15w)Radiate and distribute up to many channels of audio signal throughout the conference venueEasy to be chained together to expand coverage, with15 watt and 25 watt available to suit venues of different sizesCan be mounted on the ceiling and wall or on optional floor and tabletop stand Transmit signal adjust switch IR interpreter STC-666F Digitally-controlled Comfort-fit headband and closed-ear design Automatic acoustic feedback prevention An automatic channel interlocking function prevents them from using the same output channel. COUGH CUT for muting microphone SLOW indication to floor speaker Auto relay function enables them to work from an active channel other than the floor, and to provide relay interpretation in case they are unfamiliar with the floor language and unable to interpret it Can use with the infrared language division system One interpretation unit can be used for two interpreters Interpreters may quickly switch between the floor language and the channel set IR receiver unit STC-643D,STC-663D 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 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 Charging box STC-24 Charging box for a portable safety flight case designed, for receiver charge, or as a package Each charge box can be simultaneously charged to 24 of the receivers each Charge-bit has a separate battery status of LED display, so that staff know the charging situation for each receiver Charge time 2 hours Power AC110V/220V; Dimensions (L × W × H) 490mm × 360mm × 100mm Power : AC110V/220V;Dimensions (L × W × H): 490mm × 360mm × 100mm