... 64SIMs 2.4 sims can rotate+ IMEI Change 3.Comptiable with Asterisk 4.Polarity reversal Product Description 1. Competitive price, ... /1800MHz, GSM850/900/1800/1900MHz, Specifications: Terminal 16 Port with 64 sim cards Quad-band GSM/GPRS FWTThe interfaceboard of ... voice,rapid networksearching.IMEI is changeable,you can modify theIMEI with keyboard of tel phone,every easy.Specifications:Protocol GSM ...