Practical information:

Visa Information: TBA

Time Zone: UTC +1:00

International calling code: +264

Phone Service: MTC and TN Mobile - Metropolitan areas have good connections over 3G.  SIM cards are available.  Add 15% to the purchase price.

Weather:  Moderate temperatures, little to no rainfall, green landscape. The average temperatures: a low of 10 degrees Celsius (50 degrees Fahrenheit) to a high of 24 degrees Celsius (75 degrees Fahrenheit)
Airport transfers - The airport is a 45 minute drive outside town. The LWF shuttle service....

Electricity sockets: 220 volt electricity with South African system of electric adapters. Most plugs have three round pins, but some plugs with two smaller pins are also found on appliances. US-made appliances may need a transformer.

Currencies: Namibian dollar, South African rand are available at most banks and ATMs, but it’s best to get rands to start because they are exchangeable.

Quick facts:

Area: 824,292 sq km
Major ethnic groups: Ovambo (largest group), San (earliest inhabitants of the country), Herero, Nama, White (approximately 5 percent of the population is of European descent)
Number of languages: 11
Literacy rate: 83 percent
Main religion: Christianity
Population: 2.4 million (2014, The World Bank)
GDP: $13b (2014, The World Bank)

(sources: Namibia Tourism, BBC News, The World Bank)