Headaches abound for cellular module makers.(ONE MONTH'S WIRELESS RESEARCH)

Problems such as increasing commoditization and shrinking gross margins are hounding makers of cellular modules being shipped into machine-to-machine (M2M) applications. ABI Research says that while telematics shipments are expected to post double-digit growth rates and both telemetry and wireless local loop shipments should grow at a pace of more than 30%, cellular module manufacturers can be squeeze