Seodon Walkie Talkies for Adults Long Range with One Extra Battery for Each Radio Rechargeable Walkie Talkie Two Way Radios with Earpiece/Headsets(2 Pack)

Technical Specifications Frequency : UHF 400-470 MHZ(PX/TX) Up to 16 Channels 50 Groups CTCSS, 105 Groups of standard DCS Time-out timer(TOT) Battery saving function Alarm function USB Rapid Charging Programmable by PC Operation Voltage:3.7V DC Frequency stability:±2.5ppm Operation temperature:-20°c-+50°c Antenna impedance:50Ω Transmitter: RF power: < 5W Max deviation(W/N):≤5KHz/≤2.5KHz Adjacent Channel power:≤ -65dB/≤ -60dB SNR(W/N):≥ -45dB/≥-40dB Modulation sensitivity:8-12mV Transmission current: ≤ 1.2A Receiver: Sensitivity:-122dBm(12dB SINAD) Audio power: 0.4W(8R Load) Audio distortion: ≤10% Intermediation (W/N): ≥65dB/≥60dB Adjacent channel selectivity (W/N): ≥65dB/≥60dB Clutter suppression: ≥65dB Receiver current:≤380mA Packing list； 2xSeodon Walky Talky 4xBatteries 2xChargers 2xHandstraps 2xBelt Clips 2xEarpieces/Headsets 1xUser Manual 2xAntennas