Jinan construction site tower crane walkie talkie boxinda walkie talkie 3km 316

  Technical overview of boxinda walkie talkie 316: frequency: 400-470MHz number of channels: 16 RF power: 10W voltage: 7
4v lithium battery capacity: 6800 Ma stray: ≥ 65dB adjacent channel suppression: & le- 60dB SNR: 45dB wide / 42db narrow frequency stability: 2
5ppm (- 20 ℃ - 60 ℃); sensitivity: 12dB SINAD , 0
2uv operating temperature range: - 30 ℃ - + 60 ℃ analog and digital sub audio ultra long standby frequency writing encryption monitoring function supports USB 5V external charging standard configuration: host, battery, charger, back clip, antenna, manual