Function
ME580B is my own company R & D and production of digital wireless intercom headset.
1) A digital wireless technology.
2) Manual arbitrary PTT and voice switching.
3) The voice transmits noisy, quiet, bugging three models. Suitable for a variety of terrain conditions.
4) A walkie-talkie can be configured a number of wireless headphones. Headphones can be realized small network.
5) Long distance communications, and open areas to walkie-talkie headset effective communication distance of 20-30 meters.
6) Super anti-jamming
7) Quality 5
8) Applicable models

MOTOROLA applicable models: GP328; GP338; GP329; GP339; GP380; PTX760; PTX700; MTX900; MTX960;

KENWOOD:
TK3107/2107; TK3207/2207;
TK2160/3160; TK278G/378G;
TK2118/3118;
TK385 TK388
TK2178/3178;
TK3217;

HYT Haoyitong;
TC268/368; TC268S/368S;
TC265/365; TC668S;
TC270S/370S; TC380M; TC380

ⅡTechnical Parameters
1) Modulation method: GMSK
2) Speech coding: ADPCM
3) Power supply: power supply adapter 3-8 V walkie-talkie, headphones use 3.6 V lithium battery
4) The adapter power: 60 mW
5) Standby time: 34 H

6) Continuous talk time: 5 H
7) Frequency :2.4 - 2.5 GHz
8) The output power: 0 dB
9) The largest communications distance: 30 m 
10) The mode of operation: single workers
11) Headset battery: lithium polymer battery 160 mA / h
12) Weight: 14 g