M628 is the budget counterpart to the rest of thet INRAD, using a similar cardioid dynamic element with 40 Hz - 15 kHz response, metal frame and element ball hood. Flat overall response across all vocal frequencies without a boost at specific frequencies to cut the lows or highs down. This is an excellent all-purpose microphone that can be used with just about any HF transceiver. $59.
Element Type: Dynamic
Output Connector: 3 pin XLR
Frequency Response: 40 Hz - 15 kHz
Pattern / Directivity: Cardioid / Uni-directional
Impedance: 600 ohms
Sensitivity: -53.6 (+/-3) dB (0 dB = 1V/PA) @1 kHz
Finish: Matte black, matte silver ball head