Freq. Range: 25 VHF Channels
(can use 211R OR 311DR- frequency202.425, 208.300, 209.175,214.150, 216.800 or 219.100 MHz)
Frequency Response: 40Hz to 18KHz (+/- 3dB)
Audio Distortion: less than 1.0% (+/- 15K deviation)
Dynamic Range: better than 100dB
S/N Ratio: better than 95dB
Operating Temperatures: 0o C to 45o C
Operating Range: 100m under ideal conditions
Oscillator: Crystal Controlled
Type of Emission: FM
Antenna: External Antenna
Pre-emphasis: 50 Micro Sec.
MAX Input Level: 0dBm - 10dBm
Microphone: Lav. or Headset
RF Output Power: 30mW
Input Impedance: 2.2 k ohms
Audio Adj. Range: +30dB
Battery: 9v (006p)
Battery Life: 8 to 10 hours with Alkaline Battery
Dimen.: 86(H) x 60(W) x 21.5(D) mm
Weight: 112g (Without Battery, Mic, Cable)

Azden 31-LT (A1) VHF Body-Pack Transmitter
Snap-Off Belt Clip
EX-503 Omnidirectional Lavalier Microphone