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| Phone | Samsung SCH-A870 / Siren | Sonim XP Strike | Samsung Galaxy Rush | Casio G'zOne Commando | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | 
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | 2" diag. 4 : 3 | 3.5" diag. 5 : 3 | 3.6" diag. 5 : 3 | 
| Display Resolution & Type | 128 x 160 pixels LCD (TFT/TFD) | 240 x 320 pixels (~200 ppi) LCD (TFT/TFD) | 320 x 480 pixels (~165 ppi) LCD (TFT/TFD) | 480 x 800 pixels (~259 ppi) LCD (TFT/TFD) | 
| Display Refresh | ? | ? | 60 Hz | 60 Hz | 
| Battery | 1,000 mAh | 1,950 mAh | 1,750 mAh | 1,460 mAh | 
| Processor | ? | ? | 1 GHz Qualcomm MSM8655 | 800 MHz Qualcomm S2 MSM7630 | 
| RAM | ? | 256 MB | 768 MB | ? | 
| Storage | ? raw hardware | 512 MB | 4 GB | ? raw hardware | 
| Main Camera | Yes | 2 megapixel | 3 megapixel | 5 megapixel | 
| Wide Camera | - | - | - | - | 
| Tele Camera | - | - | - | - | 
| Video Capture | - | ? | VGA (640 x 480) | WVGA / 480p | 
| Front Camera | - | - | 1 megapixel | - | 
| Weight | 3.4 oz (96g) | 6.52 oz (185g) | 4.2 oz (119g) | 5.4 oz (153g) | 
| Dimensions | 3.6" x 1.8" x 0.85" (91 x 46 x 21.6 mm) | 4.95" x 2.3" x 0.98" (126 x 58 x 24.9 mm) | 4.84" x 2.36" x 0.47" (123 x 60 x 11.9 mm) | 5.1" x 2.6" x 0.6" (130 x 66 x 15.2 mm) | 
| Form Factor | Clamshell | Slab | Slab | Slab | 
| Platform / OS | (proprietary) | (proprietary) | Android | Android | 
| Network Bands | CDMA: 850, 1900 AMPS: 850 | CDMA: 800, 850, 1900 | CDMA: 1900 | CDMA: 850, 1900 | 
| Data Technology | 1xRTT | EVDO rA | EVDO rA | EVDO rA | 
| Features | ||||
| Flashlight | - | Yes | - | - | 
| GPS / Location | Yes | Yes | n/a | n/a | 
| Ruggedized | - | Yes | - | Yes | 
| Water-Resistant | - | Yes | - | - | 
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | n/a | 
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | 
| Multiple Languages | Yes | Yes | n/a | n/a | 
| TTY/TDD (Digital) | Yes | - | Yes | Yes | 
| Alerts | ||||
| Extra Display | Yes | - | - | - | 
| Ringer Profiles | - | Yes | - | - | 
| Connectivity | ||||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | 
| Mobile Hotspot | - | - | n/a | n/a | 
| USB | - | Yes | Yes | Yes Micro-USB | 
| Wi-Fi | - | - | Yes 4 (802.11 a,b,g,n) | Yes 4 (802.11 b,g,n) | 
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a | 
| Ringer ID | - | Yes | n/a | n/a | 
| Voice Dialing | Yes | - | n/a | n/a | 
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | n/a | 
| Custom Ringtones | Yes | Yes | n/a | n/a | 
| Real-Music Ringers | - | Yes | n/a | n/a | 
| Data & Network | ||||
| WAP / Web Browser | Yes | Yes | n/a | n/a | 
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a | 
| Side Keys | Yes | Yes | Yes | Yes | 
| Touch Screen | - | - | Yes | Yes | 
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes | 
| Messaging | ||||
| Email Client | - | - | n/a | n/a | 
| EMS / Picture Messaging | Yes | - | n/a | n/a | 
| Instant Messaging | - | - | n/a | n/a | 
| MMS | Yes | Yes | n/a | n/a | 
| Music | ||||
| FM Radio | - | Yes | - | - | 
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | 
| Music Player | - | Yes | n/a | n/a | 
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a | 
| Calculator | Yes | Yes | n/a | n/a | 
| Calendar | Yes | Yes | n/a | n/a | 
| To-Do List | - | Yes | n/a | n/a | 
| Voice Memo | - | Yes | n/a | n/a | 
| Software | ||||
| BREW | Yes | - | n/a | n/a | 
| Games | Yes | Yes | n/a | n/a | 
| Java (J2ME) | - | Yes | n/a | n/a | 
| Voice | ||||
| Push-To-Talk | - | Yes | - | Yes | 
| Speaker Phone | Yes | Yes | Yes | Yes | 
| Samsung SCH-A870 / Siren | Sonim XP Strike | Samsung Galaxy Rush | Casio G'zOne Commando | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  | |
| Phone | Samsung SCH-A870 / Siren | Sonim XP Strike | Samsung Galaxy Rush | Casio G'zOne Commando | 
 







