Frequency Selection : 256 frequencies in 100 kHz steps (except block 23)
RF Output : Selectable at 50 or 100mW
Pilot Tone : 25 to 32 kHz frequency (400 Series only); 5 kHz deviation
Frequency Stability : +/- 0.002%
Deviation : +/- 75kHz (max)
Spurious Emission : 90dB below carrier
Operating Temperature : -30 to 60o C ( -22 to 140o F)
Compressor : Input compressor - Dual envelope compressor, > 30dB range
Gain Control : 45dB; semi-log menu-driven control; 1dB steps
Indicators : Dual bicolor LEDs indicate modulation of -20, -10, 0 and +10 dB referenced to full modulation, LCD bar-graph indicator
Frequency Response : 40Hz to 20kHz (+/- 1dB)
Low Frequency Roll-Off : -3dB @35, 50 and 70Hz; selectable; 36dB/octave

Controls :
External - Programmable mute/talkback button
Battery compartment - Power, mute disable, menu/select, back and up/down arrow buttons for menu selection and settings.

Battery : 2 x AA with polarity protection and battery ejector
At 100mW : 5.5 hours (alkaline); 8-10 hours (lithium) (The HH transmits battery status to Lectrosonics 200 or 400 Series receivers.)

Interface :
1.25" opening and 28 thread pitch
Power available - 5V 25mA max
Input impedance - 1000 Ohms

Dimensions : 24.13 x 5cm) (9.5 x 1.97 in) (diameter at largest point)
Weight : 323gr (11.4 oz) with lithium batteries and HHC capsule

Microphone Holder
2 x AA Alkaline Batteries
Battery Caddy
CCHH Pouch