S1601 - Wireless 16 Channel UHF Lapel & Headset Mic Kit

S1620 - Wireless Handheld VHF Mic Kit
Unidirectional Handheld mic with built-in transmitter; includes receiver with ONE operating frequency; AC power supply, 4 different frequencies available: 173.8 / 174.1 / 174.5 / 174.8 MHz.
S1623 - Wireless 16 Channel UHF Handheld Mic Kit
Handheld microphone with built-in 16 Channel UHF wireless transmitter (S1695) and bodypack receiver (S1690R). Frequency: 584 MHz - 608 MHz

S1624 - Single Channel Wireless Handheld Microphone System
Frequency Range: Single, VHF 230 – 260 Mhz.
Talking Range: 100 feet
System Includes Wireless Microphone Receiver, Wireless Microphone, 1/4 inch to 1/4 inch cord for plugging into any 1/4 inch audio jack. Use with PA amplifiers or Karaoke equipment.
Also includes AC/DC adapter for microphone receiver, 9 V battery for wireless microphone.
S1663 - Wireless Over-ear Headset -Flesh Tone - Mic Kit
16 Channel UHF wireless bodypack transmitter (S1690T), receiver (S1690R); Flesh Tone single over-ear/headset electret condenser unidirectional mic. Frequencies: 584MHz - 608 MHz. Requires two "AA" batteries