2Pcs BAOFENG S88 400-470MHz Transceiver Two Way Radio Walkie Talkie CTCSS CDCSS Voice Control (Adaptor: US)

Features : CTCSS / CDCSS The unique CTCSS /CDCSS encoding & decoding function can avoid listening to the same channel on the irrelevant call. Emergency alarm When the user is in an emergency or unexpected situation, press the alarm button will immediately alert the intercom. In addition, it can also send out the identity code or background tone to inform the peer support. Launch timing function This function is to prevent any caller occupied the channel time is too long, the timer to limit the number of times each time to launch the walkie talkie, limiting the user timeout launch. Automatic power saving function When the channel is idle or does not carry out any operation (12 seconds), the battery energy saving function is automatically turned on, and the walkie talkie starts to switch the receiving circuit alternately at a certain time, which has achieved the purpose of automatic power saving and energy saving. The time ratio of the switch circuit can be set by programming software. Flashlight lighting Practical flashlight function, to solve the emergency needs in the dark environment. Chinese and English voice broadcast channel, functional operation and charging tips Designed for the dim light of the environment design, walkie talkie in the user's operation, can issue a variety of sound prompt operation state, can accurately issue channel broadcast in English and Chinese prompts, voice prompt power status. Support Chinese and English language. Voice control Automatic control of sound transmission function, can be carried out by launching the operation, without the need to manually press the PTT key launch. Busy channel lock This machine can store up to 16 channels. The rotating channel switch selects the channel, counter clockwise to decrease the value of the channel, and rotates clockwise to increase the channel value. If the rotation to the empty channel without any information, a "beep" sound space frequency tone alert. Computer programming The data can be connected with the computer through the data line to the interphone frequency data, the function parameter and the signal and so on carries on the programming. Specification : General frequency range 400-470MHz channel capacity 16 Channel spacing 25.0kHz / 12.5kHz Frequency stability ±1.5ppm working temperature -20? to +60? Antenna impedance 50Ω working voltage 3.7V Dimensions (L * w * h) 118×55×34mm Weight (with battery and antenna) 155g Battery 1500mAh (Lithium ion battery) Acceptance Receiving sensitivity 0.15μV / 0.18μV Adjacent channel selectivity 65dB / 55dB Intermodulation Rejection 55dB Spurious Response ≥60dB Signal to noise ratio 40dB / 35dB Rated audio output power ≥600mW Rated audio distortion ≤5% Launch Transmitting power ≤5W modulation mode 16KΦF3E / 8KΦF3E Modulation limit ≤5kHz / ±2.5kHz FM distortion ≤5% residual FM -45dB / -35dB Adjacent channel power -65dB / -55dB Stray and harmonic ≤-36dBm Package includeds : 2 x BAOFENG S88 Walkie Talkie 2 x Antenna 2 x Lithium Battery 2 x Power Supply 2 x USB Charger 2 x Belt Clip 2 x Earpiece 1 x User Manual Details pictures :