BUDDY PHONE® SPECIFICATIONS
Nominal Range: 50 to 500 meters, depending on sea conditions and noise levels in the water
Transmission Type: Ultrasound using upper single sideband (USB)
Transmit Output Power: 1/2 watt PEP (peak envelope power)
Standard Frequency*: 32.768 kHz USB
Audio Bandwidth: 300 to 3000 Hz
Automatic Gain Control: Greater than 80 dB
Earphone: Ceramic with dynamic depth compensation
Microphone: ME-16R Hot-Mic®: Dynamic
Super Mic® (standard): Ceramic
Transducer: Ceramic cylinder
Battery Type: Alkaline 9-volt “transistor” type #522 or Ultralife® lithium 9-volt cell
Maximum Operating Depth: 130 feet in sea water
Weight in Air: XT-100: 13 oz., including HM-2
RX-100: 7 oz.
Buddy Phone® for FFM:8.1 oz.