In addition to being rugged and waterproof, the newest G'zOne Commando also has a dual-core processor and 4G LTE.
Casio G'zOne Commando 4G LTE Review
The Casio G'zOne Commando 4G LTE is a Hulk of a handset - Video - CNET
Casio G'zOne Commando 4G LTE specs - PhoneArena
Casio G'zOne Commando 4G LTE Review
Casio G'zOne Commando 4G LTE Hits Verizon For Heavy-Duty Battle - SlashGear
Casio G'zOne Commando 4G LTE Review
Casio G'zOne Commando 4G LTE Review (Verizon Wireless)
Casio G'zOne Ravine (Verizon) - Video - CNET
Casio G'zOne Commando 4G LTE (Verizon) review: Extra-tough build, weak camera chops - CNET
Best Buy: Casio G'zOne Commando 4G LTE Cell Phone Black (Verizon Wireless) C811