Additional clip transmitter with inbuilt microphone for the LM58 wireless lavalier microphone system. Up to 2 separate transmitters can be used with a single receiver for 2-way conversations and interviews.Dimensions[tab]55 x 45 x 24mm[br]Weight[tab]31g[br]Carrier frequency[tab]5.8GHz ISM band[br]Max. range[tab]Up to 60m[br]Microphone : polar pattern[tab]Omnidirectional[br]SPL max.[tab]100dBu (internal microphone)[br]Dynamic range[tab]90dB[br]Max. mic in[tab]-30dB[br]Frequency response[tab]30Hz - 18kHz[br]Transmitter : power[tab]7dBm[br]Battery life[tab]5 hours max.[br]Power supply[tab]Internal rechargeable Li-ion battery[br]S/N ratio[tab]102dB