Vineyuan 4 Pack Rechargeable Long Range Two Way Radios 3W UHF 400470Mhz 1500mAh Walkie Talkies with Earpiece

Mini16 Walkies talkie can work together with other brands’ similar ones by selecting the same channel on each single frequency UHF 400-470MHz Specifications: Model: Mini16 Frequency Range: UHF 400-470MHz Frequency Stability: ±2.5ppm Channel Capacity: 16 Channels Battery Type: 1500mAh Rechargeble Li-ion Battery Operated Voltage: 3.7V DC Antenna Impedance: 50? Operated Temperature: -20°c-+50°c Plug: 110V-240V AC Wall-wart Type A Radio Dimensions (with antenna): 5.5 x 1.9 inches Radio Weight (with battery):0.27lb Transmitter: RF Power Output: 3W Modulation Emission: 8-12mV Spurious Emission: ?7.5uW Adjacent channel power: ?-65dB ?-60dB SNR(W/N): ?-45dB ?-40dB QT/DOT(W/N): 0.7±0.1KHz/0.4±0.1KHz Transmitting Current: ?1.2A Receiver: Sensitivity (12dB SINAD): ?122dBm Intermodulation(W/N): ?65dB/?60dB Adjacent Channel Selectivity: ?65dB/?60dB Audio Power : 0.4W (8R Load) Audio Distortion: ?10% Receiver Current: ?380mA Functions: QT/DQT PC Programming Battery Power Saving Low Electricity Prompt Channel Time-out Timer Busy Channel Lock Pressor Function Scrambler Package includes: 2* Mini16 Walkies talkies 2*1500mAh High Capability Li-ion Batteries 2* Desktop Chargers 2* Belt Clips 2* Handstrap 2* Earpieces 2* User's Manuals