# Technical specifications ## Physical ||Without Enclosure|With Enclosure| |:-|:-:|:-:| |Dimensions|60 x 60 x 20 mm (approx.)|120 x 120 x 55mm (approx.)| |Weight|65g|300g| ## Absolute ratings | Parameter | Conditions | Min | Typ | Max | Units | | :- | :-: | :-: | :-: | :-: | :-: | | Operating Temperature | | -10 | - | 55 | ºC | | Operating Humidity | Storage | - | - | 90 | RH | ## Electrical Characteristics | Parameter | Conditions | Min | Typ | Max | Units | | :- | :-: | :-: | :-: | :-: | :-: | | USB Supply Voltage | - | 5 | 5 | 5 | V | | USB Supply Current | - | 0.01 | 0.4 | 2 | A | | Battery Supply Voltage | - | 3.2 | 3.7 | 4.2 | V | | Battery Charging Method | Standard | - | 0.2C | - | - | | Battery Charging Method | Fast | - | 0.5C | - | - | | Battery Charging Current | Standard | - | 400 | - | mA | | Battery Charging Current | Fast | - | 1000 | - | mA | | Battery Charging Time | Standard | - | 6 | - | h | | Battery Charging Time | Fast | - | 4 | - | h | | Battery Operating Temperature | Charge | - | 6 | - | ºC | | Battery Operating Temperature | Discharge | -10 | - | 55 | ºC | | Battery Life Cycles | - | 300 | - | - | Cycles | **Related Documents:** - [Battery datasheet](https://docs.smartcitizen.me/assets/datasheets/batteries/PL804050_2000mAh/PL804050_2000mAh_Datasheet.pdf) - [Material Safety data sheet](https://docs.smartcitizen.me/assets/datasheets/batteries/DTP605068_6000mAh/DTP605068_6000mAh_Safety_Datasheet.pdf) ## Connectivity | Parameter | Conditions | Min | Typ | Max | Units | | :- | :-: | :-: | :-: | :-: | :-: | | Wi-Fi Frequency Range | - | - | 2412~2484 | - | MHz | | Transmit Power | 802.11b | - | 16+-2dBm (@11Mbps) | - | - | | Transmit Power | 802.11g | - | 14+-2dBm (@54Mbps) | - | - | | Transmit Power | 802.11n | - | 13+-2dBm (@HT20, MCS7) | - | - | | Security | - | - | WEP/WPA-PSK/WPA2-PSK | - | - | **Related Documents:** - [Wi-Fi Antenna datasheet](https://docs.smartcitizen.me/assets/datasheets/wifi/ESP-12F.pdf)