The Altair WBP-200HD Wireless beltpack is the HD Heavy Duty replacement beltpack for the WBP200.  The WBP200 will support dynamic and electret mic headsets and has a 4 pin mini xlr plug connection.
One feature the Altair w…

Altair charger for up to 4 WBP200.
Mains IEC input EC approved
Fast Charging time: 2 - 3 hours
Charging/Trickle. Open/Short circuit warnings.

Altair Part Numbers WBPC-200 (5109)

The Altair 5102 double sided headset is very similar to the Tecpro  SMH 220 but with an Altair plug fitted for connection to their wireless belt pack.

ALTIAR WAM1002 Single sided headset.
Remarkably similar to the Tecpro SMH210
but with a different badge and of course the mini 4 pin plug
for the Altair WBP200 wireless beltpack.