https://catalogs.atrtreehouse.com/avcat/ctl8964/index.cfm?manufacturer=shureorporated&product=blx1288-p31-h10
BLX1288/P31-H10 | BLX1288/P31-H10 - 2-channel Combo Wireless System, H10 Frequency Band | Shure...
wireless systemfrequency bandchannel
https://www.uggsitalia.it/product/4030780/shure-blx1288-cvl-h10-wireless-combo-system-with-blx2-pg58-blx1-cvl
Shure BLX1288/CVL-H10 Wireless Combo System with BLX2/PG58 BLX1 & CVL - UGGSITALIA.IT