EKJMA UHF 512 – 541.7 MHZ HANDHELD WIRELESS SYSTEM The EKJ&M is a UHF quartz locked controlled Wireless Microphone System providing a reliable and high quality signal transmission. EKJ&M features 3 units: EKJ&M Handheld transmitter, EKJ&M compact “connector sized” receiver and USB to USB-C charging cable. 50 channels frequencies are available, allowing the possibility to use the apparatus with other wireless equipment. UHF 512 – 541,7 MHz frequency band Quartz locked modulation mode Up to 30 meters range Built in 3.7V/500mA lithium battery 5V USB charging cable included Up to 5 hours autonomy Up to 6 systems usable in the same location Download manual HERE TECHNICAL SPECIFICATIONS EKJ&JA - UHF PLL 50 Channel Transmitter RF Channels 50 frequency presets RF Frequency Band UHF: 512 - 541.7 MHz RF Frequency Stability ±0.002% RF Oscillation Mode Quartz locked RF Modulation Type Wideband FM Stereo RF Output Power 10mW Sub-harmonic < 40 dB Operating current 130 mA Operating Time 5 to 8 hours Operating Power Supply 3.7 V / 500mA - built-in Lithium battery Charging mode USB charging 5V - type C connector Charging time 5 hours Weight 0.30 Kg EKJ&JA - UHF PLL 16 Channel Receiver RF Channels 50 frequency presets RF Frequency Band UHF: 512 - 541.7 MHz RF Frequency Stability ±0.005% RF Oscillation Mode Quartz locked RF Modulation Type Wideband FM Stereo RF Receiving Sensitivity < -98 dBm RF Receiving range 15 to 30 metres depending on used band conditions Audio Dynamic Range 106 dBm THD Distortion < 0.5% S/N Ratio > 102dBA Audio output connector 6.3 mm Mono Jack Output Power Max (continuous) 400 mW Operating current 80 mA Operating Time 5 hours Operating Power Supply 3.7 V / 500mA - built-in Lithium battery Charging mode USB charging 5V - type C connector Charging time 3 hours Weight 0.05 Kg