SIM Technology Group's (HKG:2000) revenue from its core business fell 2.8% to HK$26.9 million in October from HK$27.7 million a year prior, a Tuesday Hong Kong bourse filing said.

The mobile communications company recorded a total revenue of HK$29.8 million in October, up 38% from HK$21.7 million in September.

For the 10 months ended Oct. 31, total revenue reached HK$300.3 million, down 7.3% from HK$323.9 million in the year-ago period