The PT 45 pocket transmitter is the smallest and lightest transmitter in its class. It can be used with many AKG miniature microphones, and the battery compartment cover doubles as a convenient tool for setting input gain for the application at hand. You can use the PT 45 bodypack transmitter with both dynamic microphones and condenser microphones operating on a supply voltage of approx. 4 V. Naturally you may also connect an electric guitar, electric bass or keytar. The PT 45 operates within a switching bandwidth of up to 30 MHz in the 500 to 865 MHz UHF carrier frequency range and offers up to 8 selectable carrier frequencies. CK 55 L, C 417 L, C 520 L, C 555 L, C 544 L, C 577, C 516 ML, C 518 ML, C 519 ML, C 411 The MKG L guitar cable from AKG lets you connect an electric guitar, electric bass or keytar to the bodypack transmitter. Specifications: Carrier frequency range: 500 - 865 MHz Modulation: FM Audio bandwidth: 40 - 20,000 Hz T.H.D. at 1 kHz : typ. 0.8% Signal/noise ratio: typ. 105 dB(A) RF output: 10 mW Power requirement: 1x 1.5 V AA size battery - Battery life: 10 hours Squelch threshold: -100 to -70 dBm adjustable Dimensions: 229 x 53 x 53 mm 60 x 74