For example, on 1 Aug 41, the Polizei Regiment Mitte was organized as per
http://niehorster.orbat.com/011_germany/41-oob/ag-nord/ag_nord_RHG-101.html
  – Regiment Headquarters (mot)
  – Signal Company (mot)
  – two Armored Car Platoons (3x 20mm; 15x HMG; 6x LMG)
  – Antitank Platoon (3x 37mm; 2 LMG) (mot)
  – one TN Platoon (mot)

The Polizei-Bataillon (mot) 307 consisted of:
  – Battailon Headquarters (mot)
  – Signal Platoon (mot)
  – three Companies (6 LMG, 4 HMG, each) (mot)
  – one NSKK Company (non-mot, no heavy weapons)

The Polizei-Bataillon (bicycle) 316 consisted of:
  – Battalion Headquarters (semi-mot)
  – Signal Platoon (mot)
  – one Company (6 LMG, 4 HMG) (mot)
  – two Companies (bicycle), each with 6 LMG on bicycles and 4 HMG mot)
  – one NSKK Company (non-mot, no heavy weapons)

The Polizei-Bataillon (bicycle) 322 consisted of:
  – Battalion Headquarters (semi-mot)
  – Signal Platoon (mot)
  – three Companies (bicycle), each with 6 LMG on bicycles and 4 HMG mot)
  – one NSKK Company (non-mot, no heavy weapons)

Similarly
PolRgt Nord:
  – PolBtl 53 (3 mot cos)
  – PolBtl 319 (one mot + two bicycle)
  – PolBtl 321 (3 bicycle)

PolRgt Süd:
– PolBtl 45 (one mot + two bicycle)
– PolBtl 303 (3 bicycle)
  – PolBtl 314 (3 mot cos)

Source:
"Kriegsgliederung der den Höheren SS- und Polizeiführer unterstehenden Polizeiverbände und der Polizeiverbände z.V. Chef der Ordnungspolizei", Stand 1.08.1941
NARA T501/7


On the other hand, the various Police independent battalions in AOK Norwegen had varying compisitions, such as
PolBtl (mot) 321, 302, 255, 252, 251: four companies (each 6 LMG), plus one radio and one wire section.
PolBtl (mot) 253: three companies (each 6 LMG, 3 HMG).
PolBtl (mountain) 256: three companies (each 9 LMG, 4 HMG).

Source:
"Kriegsgliederung des AOK Norwegen, Stand 20.06.1941"
NARA T312/994