The SCH-1500 DBDM phone is a dual-mode, dual-band phone that supports both analog and digital phones.
The Samsung SCH-1500 is a dual‑mode, dual‑band portable cellular telephone that operates in both AMPS (analog) and PCS (digital) bands. The manual introduces the device, lists applicable standards such as ANSI J‑STD‑008 and TIA/EIA IS‑95A, and describes the overall architecture and functional blocks.
Detailed sections provide specifications, installation procedures, programming tools, circuit diagrams, exploded views, parts lists, PCB diagrams, and troubleshooting guidance. The document also includes electrical schematics such as the cradle circuit diagram and offers test procedures for service technicians.
| PCS Transmitter Frequency Range | 1850 ~ 1910 MHz |
|---|---|
| PCS Receiver Frequency Range | 1930 ~ 1990 MHz |
| Channel Spacing (PCS) | 1.25 MHz |
| Operating Temperature | -30°C ~ 60°C |
| Hand‑set Voltage (HHP) | 7.2 V DC (+10%) |
| Hand‑free Voltage | 13.7 V DC (+10%) |
| Dimensions (standard battery) | 114.6 x 5.4 x 2.5 cm |
| Weight (standard battery) | 220 g (7.7 ounces) |
The device is rated for temperatures from –30 °C to 60 °C.
Hands‑free operation requires 13.7 V DC with a tolerance of ±10 %.